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57505 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
88a618920e |
It was a moderately busy cycle for documentation; highlights include:
- After a long period of inactivity, the Japanese translations are seeing
some much-needed maintenance and updating.
- Reworked IOMMU documentation
- Some new documentation for static-analysis tools
- A new overall structure for the memory-management documentation. This
is an LSFMM outcome that, it is hoped, will help encourage developers to
fill in the many gaps. Optimism is eternal...but hopefully it will
work.
- More Chinese translations.
Plus the usual typo fixes, updates, etc.
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Merge tag 'docs-5.19' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"It was a moderately busy cycle for documentation; highlights include:
- After a long period of inactivity, the Japanese translations are
seeing some much-needed maintenance and updating.
- Reworked IOMMU documentation
- Some new documentation for static-analysis tools
- A new overall structure for the memory-management documentation.
This is an LSFMM outcome that, it is hoped, will help encourage
developers to fill in the many gaps. Optimism is eternal...but
hopefully it will work.
- More Chinese translations.
Plus the usual typo fixes, updates, etc"
* tag 'docs-5.19' of git://git.lwn.net/linux: (70 commits)
docs: pdfdocs: Add space for chapter counts >= 100 in TOC
docs/zh_CN: Add dev-tools/gdb-kernel-debugging.rst Chinese translation
input: Docs: correct ntrig.rst typo
input: Docs: correct atarikbd.rst typos
MAINTAINERS: Become the docs/zh_CN maintainer
docs/zh_CN: fix devicetree usage-model translation
mm,doc: Add new documentation structure
Documentation: drop more IDE boot options and ide-cd.rst
Documentation/process: use scripts/get_maintainer.pl on patches
MAINTAINERS: Add entry for DOCUMENTATION/JAPANESE
docs/trans/ja_JP/howto: Don't mention specific kernel versions
docs/ja_JP/SubmittingPatches: Request summaries for commit references
docs/ja_JP/SubmittingPatches: Add Suggested-by as a standard signature
docs/ja_JP/SubmittingPatches: Randy has moved
docs/ja_JP/SubmittingPatches: Suggest the use of scripts/get_maintainer.pl
docs/ja_JP/SubmittingPatches: Update GregKH links
Documentation/sysctl: document max_rcu_stall_to_panic
Documentation: add missing angle bracket in cgroup-v2 doc
Documentation: dev-tools: use literal block instead of code-block
docs/zh_CN: add vm numa translation
...
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|
Linus Torvalds
|
537e62c865 |
printk changes for 5.19
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||
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Linus Torvalds
|
2e17ce1106 |
slab changes for 5.19
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Merge tag 'slab-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab updates from Vlastimil Babka:
- Conversion of slub_debug stack traces to stackdepot, allowing more
useful debugfs-based inspection for e.g. memory leak debugging.
Allocation and free debugfs info now includes full traces and is
sorted by the unique trace frequency.
The stackdepot conversion was already attempted last year but
reverted by
|
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Linus Torvalds
|
fdaf9a5840 |
Page cache changes for 5.19
- Appoint myself page cache maintainer
- Fix how scsicam uses the page cache
- Use the memalloc_nofs_save() API to replace AOP_FLAG_NOFS
- Remove the AOP flags entirely
- Remove pagecache_write_begin() and pagecache_write_end()
- Documentation updates
- Convert several address_space operations to use folios:
- is_dirty_writeback
- readpage becomes read_folio
- releasepage becomes release_folio
- freepage becomes free_folio
- Change filler_t to require a struct file pointer be the first argument
like ->read_folio
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Merge tag 'folio-5.19' of git://git.infradead.org/users/willy/pagecache
Pull page cache updates from Matthew Wilcox:
- Appoint myself page cache maintainer
- Fix how scsicam uses the page cache
- Use the memalloc_nofs_save() API to replace AOP_FLAG_NOFS
- Remove the AOP flags entirely
- Remove pagecache_write_begin() and pagecache_write_end()
- Documentation updates
- Convert several address_space operations to use folios:
- is_dirty_writeback
- readpage becomes read_folio
- releasepage becomes release_folio
- freepage becomes free_folio
- Change filler_t to require a struct file pointer be the first
argument like ->read_folio
* tag 'folio-5.19' of git://git.infradead.org/users/willy/pagecache: (107 commits)
nilfs2: Fix some kernel-doc comments
Appoint myself page cache maintainer
fs: Remove aops->freepage
secretmem: Convert to free_folio
nfs: Convert to free_folio
orangefs: Convert to free_folio
fs: Add free_folio address space operation
fs: Convert drop_buffers() to use a folio
fs: Change try_to_free_buffers() to take a folio
jbd2: Convert release_buffer_page() to use a folio
jbd2: Convert jbd2_journal_try_to_free_buffers to take a folio
reiserfs: Convert release_buffer_page() to use a folio
fs: Remove last vestiges of releasepage
ubifs: Convert to release_folio
reiserfs: Convert to release_folio
orangefs: Convert to release_folio
ocfs2: Convert to release_folio
nilfs2: Remove comment about releasepage
nfs: Convert to release_folio
jfs: Convert to release_folio
...
|
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|
Linus Torvalds
|
65965d9530 |
Changes since last update:
- Add erofs on-demand load support over fscache;
- Support NFS export for erofs;
- Support idmapped mounts for erofs;
- Don't prompt for risk any more when using big pcluster;
- Fix buffer copy overflow of ztailpacking feature;
- Several minor cleanups.
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Merge tag 'erofs-for-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs (and fscache) updates from Gao Xiang:
"After working on it on the mailing list for more than half a year, we
finally form 'erofs over fscache' feature into shape. Hopefully it
could bring more possibility to the communities.
The story mainly started from a new project what we called "RAFS v6" [1]
for Nydus image service almost a year ago, which enhances EROFS to be
a new form of one bootstrap (which includes metadata representing the
whole fs tree) + several data-deduplicated content addressable blobs
(actually treated as multiple devices). Each blob can represent one
container image layer but not quite exactly since all new data can be
fully existed in the previous blobs so no need to introduce another
new blob.
It is actually not a new idea (at least on my side it's much like a
simpilied casync [2] for now) and has many benefits over per-file
blobs or some other exist ways since typically each RAFS v6 image only
has dozens of device blobs instead of thousands of per-file blobs.
It's easy to be signed with user keys as a golden image, transfered
untouchedly with minimal overhead over the network, kept in some type
of storage conveniently, and run with (optional) runtime verification
but without involving too many irrelevant features crossing the system
beyond EROFS itself. At least it's our final goal and we're keeping
working on it. There was also a good summary of this approach from the
casync author [3].
Regardless further optimizations, this work is almost done in the
previous Linux release cycles. In this round, we'd like to introduce
on-demand load for EROFS with the fscache/cachefiles infrastructure,
considering the following advantages:
- Introduce new file-based backend to EROFS. Although each image only
contains dozens of blobs but in densely-deployed runC host for
example, there could still be massive blobs on a machine, which is
messy if each blob is treated as a device. In contrast, fscache and
cachefiles are really great interfaces for us to make them work.
- Introduce on-demand load to fscache and EROFS. Previously, fscache
is mainly used to caching network-likewise filesystems, now it can
support on-demand downloading for local fses too with the exact
localfs on-disk format. It has many advantages which we're been
described in the latest patchset cover letter [4]. In addition to
that, most importantly, the cached data is still stored in the
original local fs on-disk format so that it's still the one signed
with private keys but only could be partially available. Users can
fully trust it during running. Later, users can also back up
cachefiles easily to another machine.
- More reliable on-demand approach in principle. After data is all
available locally, user daemon can be no longer online in some use
cases, which helps daemon crash recovery (filesystems can still in
service) and hot-upgrade (user daemon can be upgraded more
frequently due to new features or protocols introduced.)
- Other format can also be converted to EROFS filesystem format over
the internet on the fly with the new on-demand load feature and
mounted. That is entirely possible with on-demand load feature as
long as such archive format metadata can be fetched in advance like
stargz.
In addition, although currently our target user is Nydus image service [5],
but laterly, it can be used for other use cases like on-demand system
booting, etc. As for the fscache on-demand load feature itself,
strictly it can be used for other local fses too. Laterly we could
promote most code to the iomap infrastructure and also enhance it in
the read-write way if other local fses are interested.
Thanks David Howells for taking so much time and patience on this
these months, many thanks with great respect here again! Thanks Jeffle
for working on this feature and Xin Yin from Bytedance for
asynchronous I/O implementation as well as Zichen Tian, Jia Zhu, and
Yan Song for testing, much appeciated. We're also exploring more
possibly over fscache cache management over FSDAX for secure
containers and working on more improvements and useful features for
fscache, cachefiles, and on-demand load.
In addition to "erofs over fscache", NFS export and idmapped mount are
also completed in this cycle for container use cases as well.
Summary:
- Add erofs on-demand load support over fscache
- Support NFS export for erofs
- Support idmapped mounts for erofs
- Don't prompt for risk any more when using big pcluster
- Fix buffer copy overflow of ztailpacking feature
- Several minor cleanups"
[1] https://lore.kernel.org/r/20210730194625.93856-1-hsiangkao@linux.alibaba.com
[2] https://github.com/systemd/casync
[3] http://0pointer.net/blog/casync-a-tool-for-distributing-file-system-images.html
[4] https://lore.kernel.org/r/20220509074028.74954-1-jefflexu@linux.alibaba.com
[5] https://github.com/dragonflyoss/image-service
* tag 'erofs-for-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs: (29 commits)
erofs: scan devices from device table
erofs: change to use asynchronous io for fscache readpage/readahead
erofs: add 'fsid' mount option
erofs: implement fscache-based data readahead
erofs: implement fscache-based data read for inline layout
erofs: implement fscache-based data read for non-inline layout
erofs: implement fscache-based metadata read
erofs: register fscache context for extra data blobs
erofs: register fscache context for primary data blob
erofs: add erofs_fscache_read_folios() helper
erofs: add anonymous inode caching metadata for data blobs
erofs: add fscache context helper functions
erofs: register fscache volume
erofs: add fscache mode check helper
erofs: make erofs_map_blocks() generally available
cachefiles: document on-demand read mode
cachefiles: add tracepoints for on-demand read mode
cachefiles: enable on-demand read mode
cachefiles: implement on-demand read
cachefiles: notify the user daemon when withdrawing cookie
...
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Linus Torvalds
|
f30fabe78a |
fs.idmapped.v5.19
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Merge tag 'fs.idmapped.v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull fs idmapping updates from Christian Brauner:
"This contains two minor updates:
- An update to the idmapping documentation by Rodrigo making it
easier to understand that we first introduce several use-cases that
fail without idmapped mounts simply to explain how they can be
handled with idmapped mounts.
- When changing a mount's idmapping we now hold writers to make it
more robust.
This is similar to turning a mount ro with the difference that in
contrast to turning a mount ro changing the idmapping can only ever
be done once while a mount can transition between ro and rw as much
as it wants.
The vfs layer itself takes care to retrieve the idmapping of a
mount once ensuring that the idmapping used for vfs permission
checking is identical to the idmapping passed down to the
filesystem. All filesystems with FS_ALLOW_IDMAP raised take the
same precautions as the vfs in code-paths that are outside of
direct control of the vfs such as ioctl()s.
However, holding writers makes this more robust and predictable for
both the kernel and userspace.
This is a minor user-visible change. But it is extremely unlikely
to matter. The caller must've created a detached mount via
OPEN_TREE_CLONE and then handed that O_PATH fd to another process
or thread which then must've gotten a writable fd for that mount
and started creating files in there while the caller is still
changing mount properties. While not impossible it will be an
extremely rare corner-case and should in general be considered a
bug in the application. Consider making a mount MOUNT_ATTR_NOEXEC
or MOUNT_ATTR_NODEV while allowing someone else to perform lookups
or exec'ing in parallel by handing them a copy of the
OPEN_TREE_CLONE fd or another fd beneath that mount.
I've pinged all major users of idmapped mounts pointing out this
change and none of them have active writers on a mount while still
changing mount properties. It would've been strange if they did.
The rest and majority of the work will be coming through the overlayfs
tree this cycle. In addition to overlayfs this cycle should also see
support for idmapped mounts on erofs as I've acked a patch to this
effect a little while ago"
* tag 'fs.idmapped.v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
fs: hold writers when changing mount's idmapping
docs: Add small intro to idmap examples
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Linus Torvalds
|
827060261c |
media updates for v5.19-rc1
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Linus Torvalds
|
f4fb859665 |
Thermal control updates for 5.19-rc1
- Add thermal library and thermal tools to encapsulate the netlink
into event based callbacks (Daniel Lezcano, Jiapeng Chong).
- Improve overheat condition handling during suspend-to-idle in the
Intel PCH thermal driver (Zhang Rui).
- Use local ops instead of global ops in devfreq_cooling (Kant Fan).
- Clean up _OSC handling in int340x (Davidlohr Bueso).
- Switch hisi_termal from CONFIG_PM_SLEEP guards to pm_sleep_ptr()
(Hesham Almatary).
- Add new k3 j72xx bangdap driver and the corresponding bindings
(Keerthy).
- Fix missing of_node_put() in the SC iMX driver at probe time
(Miaoqian Lin).
- Fix memory leak in __thermal_cooling_device_register() when
device_register() fails by calling thermal_cooling_device_destroy_sysfs()
(Yang Yingliang).
- Add sc8180x and sc8280xp compatible string in the DT bindings and
lMH support for QCom tsens driver (Bjorn Andersson).
- Fix OTP Calibration Register values conforming to the documentation
on RZ/G2L and bindings documentation for RZ/G2UL (Biju Das).
- Fix type in kerneldoc description for __thermal_bind_params (Corentin
Labbe).
- Fix potential NULL dereference in sr_thermal_probe() on Broadcom
platform (Zheng Yongjun).
- Add change mode ops to the thermal-of sensor (Manaf Meethalavalappu
Pallikunhi).
- Fix non-negative value support by preventing the value to be clamp
to zero (Stefan Wahren).
- Add compatible string and DT bindings for MSM8960 tsens driver
(Dmitry Baryshkov).
- Add hwmon support for K3 driver (Massimiliano Minella).
- Refactor and add multiple generations support for QCom ADC driver
(Jishnu Prakash).
- Use platform_get_irq_optional() to get the interrupt on RCar driver and
document Document RZ/V2L bindings (Lad Prabhakar).
- Remove NULL check after container_of() call from the Intel HFI
thermal driver (Haowen Bai).
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Merge tag 'thermal-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"These add a thermal library and thermal tools to wrap the netlink
interface into event-based callbacks, improve overheat condition
handling during suspend-to-idle on Intel SoCs, add some new hardware
support, fix bugs and clean up code.
Specifics:
- Add thermal library and thermal tools to encapsulate the netlink
into event based callbacks (Daniel Lezcano, Jiapeng Chong).
- Improve overheat condition handling during suspend-to-idle in the
Intel PCH thermal driver (Zhang Rui).
- Use local ops instead of global ops in devfreq_cooling (Kant Fan).
- Clean up _OSC handling in int340x (Davidlohr Bueso).
- Switch hisi_termal from CONFIG_PM_SLEEP guards to pm_sleep_ptr()
(Hesham Almatary).
- Add new k3 j72xx bangdap driver and the corresponding bindings
(Keerthy).
- Fix missing of_node_put() in the SC iMX driver at probe time
(Miaoqian Lin).
- Fix memory leak in __thermal_cooling_device_register()
when device_register() fails by calling
thermal_cooling_device_destroy_sysfs() (Yang Yingliang).
- Add sc8180x and sc8280xp compatible string in the DT bindings and
lMH support for QCom tsens driver (Bjorn Andersson).
- Fix OTP Calibration Register values conforming to the documentation
on RZ/G2L and bindings documentation for RZ/G2UL (Biju Das).
- Fix type in kerneldoc description for __thermal_bind_params
(Corentin Labbe).
- Fix potential NULL dereference in sr_thermal_probe() on Broadcom
platform (Zheng Yongjun).
- Add change mode ops to the thermal-of sensor (Manaf Meethalavalappu
Pallikunhi).
- Fix non-negative value support by preventing the value to be clamp
to zero (Stefan Wahren).
- Add compatible string and DT bindings for MSM8960 tsens driver
(Dmitry Baryshkov).
- Add hwmon support for K3 driver (Massimiliano Minella).
- Refactor and add multiple generations support for QCom ADC driver
(Jishnu Prakash).
- Use platform_get_irq_optional() to get the interrupt on RCar driver
and document Document RZ/V2L bindings (Lad Prabhakar).
- Remove NULL check after container_of() call from the Intel HFI
thermal driver (Haowen Bai)"
* tag 'thermal-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (38 commits)
thermal: intel: pch: improve the cooling delay log
thermal: intel: pch: enhance overheat handling
thermal: intel: pch: move cooling delay to suspend_noirq phase
PM: wakeup: expose pm_wakeup_pending to modules
thermal: k3_j72xx_bandgap: Add the bandgap driver support
dt-bindings: thermal: k3-j72xx: Add VTM bindings documentation
thermal/drivers/imx_sc_thermal: Fix refcount leak in imx_sc_thermal_probe
thermal/core: Fix memory leak in __thermal_cooling_device_register()
dt-bindings: thermal: tsens: Add sc8280xp compatible
dt-bindings: thermal: lmh: Add Qualcomm sc8180x compatible
thermal/drivers/qcom/lmh: Add sc8180x compatible
thermal/drivers/rz2gl: Fix OTP Calibration Register values
dt-bindings: thermal: rzg2l-thermal: Document RZ/G2UL bindings
thermal: thermal_of: fix typo on __thermal_bind_params
tools/thermal: remove unneeded semicolon
tools/lib/thermal: remove unneeded semicolon
thermal/drivers/broadcom: Fix potential NULL dereference in sr_thermal_probe
tools/thermal: Add thermal daemon skeleton
tools/thermal: Add a temperature capture tool
tools/thermal: Add util library
...
|
||
|
Linus Torvalds
|
09583dfed2 |
Power management updates for 5.19-rc1
- Update the Energy Model support code to allow the Energy Model to be
artificial, which means that the power values may not be on a uniform
scale with other devices providing power information, and update the
cpufreq_cooling and devfreq_cooling thermal drivers to support
artificial Energy Models (Lukasz Luba).
- Make DTPM check the Energy Model type (Lukasz Luba).
- Fix policy counter decrementation in cpufreq if Energy Model is in
use (Pierre Gondois).
- Add CPU-based scaling support to passive devfreq governor (Saravana
Kannan, Chanwoo Choi).
- Update the rk3399_dmc devfreq driver (Brian Norris).
- Export dev_pm_ops instead of suspend() and resume() in the IIO
chemical scd30 driver (Jonathan Cameron).
- Add namespace variants of EXPORT[_GPL]_SIMPLE_DEV_PM_OPS and
PM-runtime counterparts (Jonathan Cameron).
- Move symbol exports in the IIO chemical scd30 driver into the
IIO_SCD30 namespace (Jonathan Cameron).
- Avoid device PM-runtime usage count underflows (Rafael Wysocki).
- Allow dynamic debug to control printing of PM messages (David
Cohen).
- Fix some kernel-doc comments in hibernation code (Yang Li, Haowen
Bai).
- Preserve ACPI-table override during hibernation (Amadeusz Sławiński).
- Improve support for suspend-to-RAM for PSCI OSI mode (Ulf Hansson).
- Make Intel RAPL power capping driver support the RaptorLake and
AlderLake N processors (Zhang Rui, Sumeet Pawnikar).
- Remove redundant store to value after multiply in the RAPL power
capping driver (Colin Ian King).
- Add AlderLake processor support to the intel_idle driver (Zhang Rui).
- Fix regression leading to no genpd governor in the PSCI cpuidle
driver and fix the riscv-sbi cpuidle driver to allow a genpd
governor to be used (Ulf Hansson).
- Fix cpufreq governor clean up code to avoid using kfree() directly
to free kobject-based items (Kevin Hao).
- Prepare cpufreq for powerpc's asm/prom.h cleanup (Christophe Leroy).
- Make intel_pstate notify frequency invariance code when no_turbo is
turned on and off (Chen Yu).
- Add Sapphire Rapids OOB mode support to intel_pstate (Srinivas
Pandruvada).
- Make cpufreq avoid unnecessary frequency updates due to mismatch
between hardware and the frequency table (Viresh Kumar).
- Make remove_cpu_dev_symlink() clear the real_cpus mask to simplify
code (Viresh Kumar).
- Rearrange cpufreq_offline() and cpufreq_remove_dev() to make the
calling convention for some driver callbacks consistent (Rafael
Wysocki).
- Avoid accessing half-initialized cpufreq policies from the show()
and store() sysfs functions (Schspa Shi).
- Rearrange cpufreq_offline() to make the calling convention for some
driver callbacks consistent (Schspa Shi).
- Update CPPC handling in cpufreq (Pierre Gondois).
- Extend dev_pm_domain_detach() doc (Krzysztof Kozlowski).
- Move genpd's time-accounting to ktime_get_mono_fast_ns() (Ulf
Hansson).
- Improve the way genpd deals with its governors (Ulf Hansson).
- Update the turbostat utility to version 2022.04.16 (Len Brown,
Dan Merillat, Sumeet Pawnikar, Zephaniah E. Loss-Cutler-Hull, Chen
Yu).
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Merge tag 'pm-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add support for 'artificial' Energy Models in which power
numbers for different entities may be in different scales, add support
for some new hardware, fix bugs and clean up code in multiple places.
Specifics:
- Update the Energy Model support code to allow the Energy Model to
be artificial, which means that the power values may not be on a
uniform scale with other devices providing power information, and
update the cpufreq_cooling and devfreq_cooling thermal drivers to
support artificial Energy Models (Lukasz Luba).
- Make DTPM check the Energy Model type (Lukasz Luba).
- Fix policy counter decrementation in cpufreq if Energy Model is in
use (Pierre Gondois).
- Add CPU-based scaling support to passive devfreq governor (Saravana
Kannan, Chanwoo Choi).
- Update the rk3399_dmc devfreq driver (Brian Norris).
- Export dev_pm_ops instead of suspend() and resume() in the IIO
chemical scd30 driver (Jonathan Cameron).
- Add namespace variants of EXPORT[_GPL]_SIMPLE_DEV_PM_OPS and
PM-runtime counterparts (Jonathan Cameron).
- Move symbol exports in the IIO chemical scd30 driver into the
IIO_SCD30 namespace (Jonathan Cameron).
- Avoid device PM-runtime usage count underflows (Rafael Wysocki).
- Allow dynamic debug to control printing of PM messages (David
Cohen).
- Fix some kernel-doc comments in hibernation code (Yang Li, Haowen
Bai).
- Preserve ACPI-table override during hibernation (Amadeusz
Sławiński).
- Improve support for suspend-to-RAM for PSCI OSI mode (Ulf Hansson).
- Make Intel RAPL power capping driver support the RaptorLake and
AlderLake N processors (Zhang Rui, Sumeet Pawnikar).
- Remove redundant store to value after multiply in the RAPL power
capping driver (Colin Ian King).
- Add AlderLake processor support to the intel_idle driver (Zhang
Rui).
- Fix regression leading to no genpd governor in the PSCI cpuidle
driver and fix the riscv-sbi cpuidle driver to allow a genpd
governor to be used (Ulf Hansson).
- Fix cpufreq governor clean up code to avoid using kfree() directly
to free kobject-based items (Kevin Hao).
- Prepare cpufreq for powerpc's asm/prom.h cleanup (Christophe
Leroy).
- Make intel_pstate notify frequency invariance code when no_turbo is
turned on and off (Chen Yu).
- Add Sapphire Rapids OOB mode support to intel_pstate (Srinivas
Pandruvada).
- Make cpufreq avoid unnecessary frequency updates due to mismatch
between hardware and the frequency table (Viresh Kumar).
- Make remove_cpu_dev_symlink() clear the real_cpus mask to simplify
code (Viresh Kumar).
- Rearrange cpufreq_offline() and cpufreq_remove_dev() to make the
calling convention for some driver callbacks consistent (Rafael
Wysocki).
- Avoid accessing half-initialized cpufreq policies from the show()
and store() sysfs functions (Schspa Shi).
- Rearrange cpufreq_offline() to make the calling convention for some
driver callbacks consistent (Schspa Shi).
- Update CPPC handling in cpufreq (Pierre Gondois).
- Extend dev_pm_domain_detach() doc (Krzysztof Kozlowski).
- Move genpd's time-accounting to ktime_get_mono_fast_ns() (Ulf
Hansson).
- Improve the way genpd deals with its governors (Ulf Hansson).
- Update the turbostat utility to version 2022.04.16 (Len Brown, Dan
Merillat, Sumeet Pawnikar, Zephaniah E. Loss-Cutler-Hull, Chen Yu)"
* tag 'pm-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (94 commits)
PM: domains: Trust domain-idle-states from DT to be correct by genpd
PM: domains: Measure power-on/off latencies in genpd based on a governor
PM: domains: Allocate governor data dynamically based on a genpd governor
PM: domains: Clean up some code in pm_genpd_init() and genpd_remove()
PM: domains: Fix initialization of genpd's next_wakeup
PM: domains: Fixup QoS latency measurements for IRQ safe devices in genpd
PM: domains: Measure suspend/resume latencies in genpd based on governor
PM: domains: Move the next_wakeup variable into the struct gpd_timing_data
PM: domains: Allocate gpd_timing_data dynamically based on governor
PM: domains: Skip another warning in irq_safe_dev_in_sleep_domain()
PM: domains: Rename irq_safe_dev_in_no_sleep_domain() in genpd
PM: domains: Don't check PM_QOS_FLAG_NO_POWER_OFF in genpd
PM: domains: Drop redundant code for genpd always-on governor
PM: domains: Add GENPD_FLAG_RPM_ALWAYS_ON for the always-on governor
powercap: intel_rapl: remove redundant store to value after multiply
cpufreq: CPPC: Enable dvfs_possible_from_any_cpu
cpufreq: CPPC: Enable fast_switch
ACPI: CPPC: Assume no transition latency if no PCCT
ACPI: bus: Set CPPC _OSC bits for all and when CPPC_LIB is supported
ACPI: CPPC: Check _OSC for flexible address space
...
|
||
|
Linus Torvalds
|
1961b06c91 |
ACPI updates for 5.19-rc1
- Update ACPICA code in the kernel to upstream revision 20220331
including the following changes:
* Add support for the Windows 11 _OSI string (Mario Limonciello)
* Add the CFMWS subtable to the CEDT table (Lawrence Hileman).
* iASL: NHLT: Treat Terminator as specific_config (Piotr Maziarz).
* iASL: NHLT: Fix parsing undocumented bytes at the end of Endpoint
Descriptor (Piotr Maziarz).
* iASL: NHLT: Rename linux specific strucures to device_info (Piotr
Maziarz).
* Add new ACPI 6.4 semantics to Load() and LoadTable() (Bob Moore).
* Clean up double word in comment (Tom Rix).
* Update copyright notices to the year 2022 (Bob Moore).
* Remove some tabs and // comments - automated cleanup (Bob Moore).
* Replace zero-length array with flexible-array member (Gustavo A. R.
Silva).
* Interpreter: Add units to time variable names (Paul Menzel).
* Add support for ARM Performance Monitoring Unit Table (Besar
Wicaksono).
* Inform users about ACPI spec violation related to sleep length (Paul
Menzel).
* iASL/MADT: Add OEM-defined subtable (Bob Moore).
* Interpreter: Fix some typo mistakes (Selvarasu Ganesan).
* Updates for revision E.d of IORT (Shameer Kolothum).
* Use ACPI_FORMAT_UINT64 for 64-bit output (Bob Moore).
- Improve debug messages in the ACPI device PM code (Rafael Wysocki).
- Block ASUS B1400CEAE from suspend to idle by default (Mario
Limonciello).
- Improve handling of PCI devices that are in D3cold during system
initialization (Rafael Wysocki).
- Fix BERT error region memory mapping (Lorenzo Pieralisi).
- Add support for NVIDIA 16550-compatible port subtype to the SPCR
parsing code (Jeff Brasen).
- Use static for BGRT_SHOW kobj_attribute defines (Tom Rix).
- Fix missing prototype warning for acpi_agdi_init() (Ilkka Koskinen).
- Fix missing ERST record ID in the APEI code (Liu Xinpeng).
- Make APEI error injection to refuse to inject into the zero
page (Tony Luck).
- Correct description of INT3407 / INT3532 DPTF attributes in sysfs
(Sumeet Pawnikar).
- Add support for high frequency impedance notification to the DPTF
driver (Sumeet Pawnikar).
- Make mp_config_acpi_gsi() a void function (Li kunyu).
- Unify Package () representation for properties in the ACPI device
properties documentation (Andy Shevchenko).
- Include UUID in _DSM evaluation warning (Michael Niewöhner).
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Merge tag 'acpi-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA kernel code to upstream revision 20220331,
improve handling of PCI devices that are in D3cold during system
initialization, add support for a few features, fix bugs and clean up
code.
Specifics:
- Update ACPICA code in the kernel to upstream revision 20220331
including the following changes:
- Add support for the Windows 11 _OSI string (Mario Limonciello)
- Add the CFMWS subtable to the CEDT table (Lawrence Hileman).
- iASL: NHLT: Treat Terminator as specific_config (Piotr
Maziarz).
- iASL: NHLT: Fix parsing undocumented bytes at the end of
Endpoint Descriptor (Piotr Maziarz).
- iASL: NHLT: Rename linux specific strucures to device_info
(Piotr Maziarz).
- Add new ACPI 6.4 semantics to Load() and LoadTable() (Bob
Moore).
- Clean up double word in comment (Tom Rix).
- Update copyright notices to the year 2022 (Bob Moore).
- Remove some tabs and // comments - automated cleanup (Bob
Moore).
- Replace zero-length array with flexible-array member (Gustavo
A. R. Silva).
- Interpreter: Add units to time variable names (Paul Menzel).
- Add support for ARM Performance Monitoring Unit Table (Besar
Wicaksono).
- Inform users about ACPI spec violation related to sleep length
(Paul Menzel).
- iASL/MADT: Add OEM-defined subtable (Bob Moore).
- Interpreter: Fix some typo mistakes (Selvarasu Ganesan).
- Updates for revision E.d of IORT (Shameer Kolothum).
- Use ACPI_FORMAT_UINT64 for 64-bit output (Bob Moore).
- Improve debug messages in the ACPI device PM code (Rafael Wysocki).
- Block ASUS B1400CEAE from suspend to idle by default (Mario
Limonciello).
- Improve handling of PCI devices that are in D3cold during system
initialization (Rafael Wysocki).
- Fix BERT error region memory mapping (Lorenzo Pieralisi).
- Add support for NVIDIA 16550-compatible port subtype to the SPCR
parsing code (Jeff Brasen).
- Use static for BGRT_SHOW kobj_attribute defines (Tom Rix).
- Fix missing prototype warning for acpi_agdi_init() (Ilkka
Koskinen).
- Fix missing ERST record ID in the APEI code (Liu Xinpeng).
- Make APEI error injection to refuse to inject into the zero page
(Tony Luck).
- Correct description of INT3407 / INT3532 DPTF attributes in sysfs
(Sumeet Pawnikar).
- Add support for high frequency impedance notification to the DPTF
driver (Sumeet Pawnikar).
- Make mp_config_acpi_gsi() a void function (Li kunyu).
- Unify Package () representation for properties in the ACPI device
properties documentation (Andy Shevchenko).
- Include UUID in _DSM evaluation warning (Michael Niewöhner)"
* tag 'acpi-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (41 commits)
Revert "ACPICA: executer/exsystem: Warn about sleeps greater than 10 ms"
ACPI: utils: include UUID in _DSM evaluation warning
ACPI: PM: Block ASUS B1400CEAE from suspend to idle by default
x86: ACPI: Make mp_config_acpi_gsi() a void function
ACPI: DPTF: Add support for high frequency impedance notification
ACPI: AGDI: Fix missing prototype warning for acpi_agdi_init()
ACPI: bus: Avoid non-ACPI device objects in walks over children
ACPI: DPTF: Correct description of INT3407 / INT3532 attributes
ACPI: BGRT: use static for BGRT_SHOW kobj_attribute defines
ACPI, APEI, EINJ: Refuse to inject into the zero page
ACPI: PM: Always print final debug message in acpi_device_set_power()
ACPI: SPCR: Add support for NVIDIA 16550-compatible port subtype
ACPI: docs: enumeration: Unify Package () for properties (part 2)
ACPI: APEI: Fix missing ERST record id
ACPICA: Update version to 20220331
ACPICA: exsystem.c: Use ACPI_FORMAT_UINT64 for 64-bit output
ACPICA: IORT: Updates for revision E.d
ACPICA: executer/exsystem: Fix some typo mistakes
ACPICA: iASL/MADT: Add OEM-defined subtable
ACPICA: executer/exsystem: Warn about sleeps greater than 10 ms
...
|
||
|
Linus Torvalds
|
d8e0f976f1 |
spi: Updates for v5.19
This is quite a quiet release but some new drivers mean that the
diffstat is fairly large, the new drivers include the aspeed driver
which is migrated from MTD as part of the ongoing move of controllers
with specialised support for SPI flashes into the SPI subsystem.
- Support for devices which flip CPHA during recieve only transfers
(eg, if MOSI and MISO have inverted polarity).
- Overhaul of the i.MX driver, including the addition of PIO support
for better performance on small transfers.
- Migration of the Aspeed driver from MTD.
- Support for Aspeed AST2400, Ingenic JZ4775 and X1/2000 and MediaTek
IPM and SFI.
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Merge tag 'spi-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"This is quite a quiet release but some new drivers mean that the
diffstat is fairly large. The new drivers include the aspeed driver
which is migrated from MTD as part of the ongoing move of controllers
with specialised support for SPI flashes into the SPI subsystem.
- Support for devices which flip CPHA during recieve only transfers
(eg, if MOSI and MISO have inverted polarity).
- Overhaul of the i.MX driver, including the addition of PIO support
for better performance on small transfers.
- Migration of the Aspeed driver from MTD.
- Support for Aspeed AST2400, Ingenic JZ4775 and X1/2000 and MediaTek
IPM and SFI"
* tag 'spi-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (84 commits)
spi: spi-au1550: replace ternary operator with min()
mtd: spi-nor: aspeed: set the decoding size to at least 2MB for AST2600
spi: aspeed: Calibrate read timings
spi: aspeed: Add support for the AST2400 SPI controller
spi: aspeed: Workaround AST2500 limitations
spi: aspeed: Adjust direct mapping to device size
spi: aspeed: Add support for direct mapping
spi: spi-mem: Convert Aspeed SMC driver to spi-mem
spi: Convert the Aspeed SMC controllers device tree binding
spi: spi-cadence: Update ISR status variable type to irqreturn_t
spi: Doc fix - Describe add_lock and dma_map_dev in spi_controller
spi: cadence-quadspi: Handle spi_unregister_master() in remove()
spi: stm32-qspi: Remove SR_BUSY bit check before sending command
spi: stm32-qspi: Always check SR_TCF flags in stm32_qspi_wait_cmd()
spi: stm32-qspi: Fix wait_cmd timeout in APM mode
spi: cadence-quadspi: remove unnecessary (void *) casts
spi: cadence-quadspi: Add missing blank line in cqspi_request_mmap_dma()
spi: spi-imx: mx51_ecspi_prepare_message(): skip writing MX51_ECSPI_CONFIG register if unchanged
spi: spi-imx: add PIO polling support
spi: spi-imx: replace struct spi_imx_data::bitbang by pointer to struct spi_controller
...
|
||
|
Linus Torvalds
|
9b18d07ba3 |
regulator: Updates for v5.19
This is mostly a drivers update including a couple of new drivers but we
do have some fixes and improvements to the core as well.
- Make sure we don't log spuriously about uncontrollable regulators.
- Don't use delays when we should use sleeps for regulators with
larger ramp times.
- Support for MediaTek MT6358 and MT6366, Richtek RT5759 and Silicon
Mitus SM5703.
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Merge tag 'regulator-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This is mostly a drivers update including a couple of new drivers but
we do have some fixes and improvements to the core as well.
- Make sure we don't log spuriously about uncontrollable regulators.
- Don't use delays when we should use sleeps for regulators with
larger ramp times.
- Support for MediaTek MT6358 and MT6366, Richtek RT5759 and Silicon
Mitus SM5703"
* tag 'regulator-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (36 commits)
regulator: scmi: Fix refcount leak in scmi_regulator_probe
regulator: pfuze100: Fix refcount leak in pfuze_parse_regulators_dt
regulator: qcom_smd: Fix up PM8950 regulator configuration
regulator: core: Fix enable_count imbalance with EXCLUSIVE_GET
regulator: core: Add error flags to sysfs attributes
regulator: dt-bindings: qcom,rpmh: document vdd-l7-bob-supply on PMR735A
regulator: dt-bindings: qcom,rpmh: document supplies per variant
regulator: dt-bindings: qcom,rpmh: update maintainers
regulator: mt6315: Enforce regulator-compatible, not name
regulator: pca9450: Enable DVS control via PMIC_STBY_REQ
regulator: pca9450: Make warm reset on WDOG_B assertion
regulator: Add property for WDOG_B warm reset
regulator: pca9450: Make I2C Level Translator configurable
regulator: Add property for I2C level shifter
regulator: sm5703: Correct reference to the common regulator schema
regulator: sm5703-regulator: Add regulators support for SM5703 MFD
dt-bindings: regulator: Add bindings for Silicon Mitus SM5703 regulators
regulator: richtek,rt4801: parse GPIOs per regulator
regulator: dt-bindings: richtek,rt4801: use existing ena_gpiod feature
regulator: core: Sleep (not delay) in set_voltage()
...
|
||
|
Linus Torvalds
|
638971b77f |
MMC core:
- Support zero-out using TRIM for eMMC
- Allow to override the busy-timeout for the ioctl-cmds
MMC host:
- Continued the conversion of DT bindings into the JSON schema
- jz4740: Apply DMA engine limits to maximum segment size
- mmci_stm32: Use a buffer for unaligned DMA requests
- mmc_spi: Enabled high-speed modes via parsing of DT
- omap: Make clock management to be compliant with CCF
- renesas_sdhi: Support eMMC HS400 mode for R-Car V3H ES2.0
- renesas_sdhi: Don't allow support for eMMC HS400 for R-Car V3M/D3
- sdhci_am654: Fix problem when SD card slot lacks the card detect line
- sdhci-esdhc-imx: Add support for the imx8dxl variant
- sdhci-brcmstb: Enable support for clock gating to save power
- sdhci-msm: Add support for the sdx65 variant
- sdhci-msm: Add support for the sm8150 variant
- sdhci-of-dwcmshc: Add support for the Rockchip rk3588 variant
- sdhci-pci-gli: Add workaround to allow GL9755 to enter ASPM L1.2
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Merge tag 'mmc-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Support zero-out using TRIM for eMMC
- Allow to override the busy-timeout for the ioctl-cmds
MMC host:
- Continued the conversion of DT bindings into the JSON schema
- jz4740: Apply DMA engine limits to maximum segment size
- mmci_stm32: Use a buffer for unaligned DMA requests
- mmc_spi: Enabled high-speed modes via parsing of DT
- omap: Make clock management to be compliant with CCF
- renesas_sdhi:
- Support eMMC HS400 mode for R-Car V3H ES2.0
- Don't allow support for eMMC HS400 for R-Car V3M/D3
- sdhci_am654: Fix problem when SD card slot lacks the card detect
line
- sdhci-esdhc-imx: Add support for the imx8dxl variant
- sdhci-brcmstb: Enable support for clock gating to save power
- sdhci-msm:
- Add support for the sdx65 variant
- Add support for the sm8150 variant
- sdhci-of-dwcmshc: Add support for the Rockchip rk3588 variant
- sdhci-pci-gli: Add workaround to allow GL9755 to enter ASPM L1.2"
* tag 'mmc-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (52 commits)
mmc: sdhci-of-arasan: Add NULL check for data field
mmc: core: Support zeroout using TRIM for eMMC
mmc: sdhci-brcmstb: Fix compiler warning
mmc: sdhci-msm: Add compatible string check for sdx65
dt-bindings: mmc: sdhci-msm: Document the SDX65 compatible
mmc: sdhci-msm: Add compatible string check for sm8150
dt-bindings: mmc: sdhci-msm: Add compatible string for sm8150
mmc: sdhci-msm: Add SoC specific compatibles
dt-bindings: mmc: sdhci-msm: Convert bindings to yaml
dt-bindings: mmc: brcm,sdhci-brcmstb: cleanup example
dt-bindings: mmc: brcm,sdhci-brcmstb: correct number of reg entries
mmc: sdhci-brcmstb: Enable Clock Gating to save power
mmc: sdhci-brcmstb: Re-organize flags
mmc: mmci: Remove custom ios handler
mmc: atmel-mci: Simplify if(chan) and if(!chan)
mmc: core: use kobj_to_dev()
dt-bindings: mmc: sdhci-of-dwcmhsc: Add rk3588
mmc: core: Add CIDs for cards to the entropy pool
mmc: core: Allows to override the timeout value for ioctl() path
mmc: sdhci-omap: Use of_device_get_match_data() helper
...
|
||
|
Linus Torvalds
|
d335371940 |
MTD core changes:
* Call of_platform_populate() for MTD partitions
* Check devicetree alias for index
* mtdoops:
- Add a timestamp to the mtdoops header.
- Create a header structure for the saved mtdoops.
- Fix the size of the header read buffer.
* mtdblock: Warn if opened on NAND
* Bindings:
- reserved-memory: Support MTD/block device
- jedec,spi-nor: remove unneeded properties
- Extend fixed-partitions binding
- Add Sercomm (Suzhou) Corporation vendor prefix
MTD driver changes:
* st_spi_fsm: add missing clk_disable_unprepare() in stfsm_remove()
* phram:
- Allow cached mappings
- Allow probing via reserved-memory
* maps: ixp4xx: Drop driver
* bcm47xxpart: Print correct offset on read error
CFI driver changes:
* Rename chip_ready variables
* Add S29GL064N ID definition
* Use chip_ready() for write on S29GL064N
* Move and rename chip_check/chip_ready/chip_good_for_write
NAND core changes:
* Print offset instead of page number for bad blocks
Raw NAND controller drivers:
* Cadence: Fix possible null-ptr-deref in cadence_nand_dt_probe()
* CS553X: simplify the return expression of cs553x_write_ctrl_byte()
* Davinci: Remove redundant unsigned comparison to zero
* Denali: Use managed device resources
* GPMI:
- Add large oob bch setting support
- Rename the variable ecc_chunk_size
- Uninline the gpmi_check_ecc function
- Add strict ecc strength check
- Refactor BCH geometry settings function
* Intel: Fix possible null-ptr-deref in ebu_nand_probe()
* MPC5121: Check before clk_disable_unprepare() not needed
* Mtk:
- MTD_NAND_ECC_MEDIATEK should depend on ARCH_MEDIATEK
- Also parse the default nand-ecc-engine property if available
- Make mtk_ecc.c a separated module
* OMAP ELM:
- Convert the bindings to yaml
- Describe the bindings for AM64 ELM
- Add support for its compatible
* Renesas: Use runtime PM instead of the raw clock API and update the
bindings accordingly
* Rockchip: Check before clk_disable_unprepare() not needed
* TMIO: Check return value after calling platform_get_resource()
Raw NAND chip driver:
* Kioxia: Add support for TH58NVG3S0HBAI4 and TC58NVG0S3HTA00
SPI-NAND chip drivers:
* Gigadevice:
- Add support for:
- GD5FxGM7xExxG
- GD5F{2,4}GQ5xExxG
- GD5F1GQ5RExxG
- GD5FxGQ4xExxG
- Fix Quad IO for GD5F1GQ5UExxG
* XTX: Add support for XT26G0xA
SPI NOR core changes:
* Read back written SR value to make sure the write was done correctly.
* Introduce a common function for Read ID that manufacturer drivers can
use to verify the Octal DTR switch worked correctly.
* Add helpers for read/write any register commands so manufacturer
drivers don't open code it every time.
* Clarify rdsr dummy cycles documentation.
* Add debugfs entry to expose internal flash parameters and state.
SPI NOR manufacturer drivers changes:
* Add support for Winbond W25Q512NW-IM, and Eon EN25QH256A.
* Move spi_nor_write_ear() to Winbond module since only Winbond flashes
use it.
* Rework Micron and Cypress Octal DTR enable methods to improve
readability.
* Use the common Read ID function to verify switch to Octal DTR mode for
Micron and Cypress flashes.
* Skip polling status on volatile register writes for Micron and Cypress
flashes since the operation is instant.
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Merge tag 'mtd/for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull mtd updates from Miquel Raynal:
"MTD core changes:
- Call of_platform_populate() for MTD partitions
- Check devicetree alias for index
- mtdoops:
- Add a timestamp to the mtdoops header.
- Create a header structure for the saved mtdoops.
- Fix the size of the header read buffer.
- mtdblock: Warn if opened on NAND
- Bindings:
- reserved-memory: Support MTD/block device
- jedec,spi-nor: remove unneeded properties
- Extend fixed-partitions binding
- Add Sercomm (Suzhou) Corporation vendor prefix
MTD driver changes:
- st_spi_fsm: add missing clk_disable_unprepare() in stfsm_remove()
- phram:
- Allow cached mappings
- Allow probing via reserved-memory
- maps: ixp4xx: Drop driver
- bcm47xxpart: Print correct offset on read error
CFI driver changes:
- Rename chip_ready variables
- Add S29GL064N ID definition
- Use chip_ready() for write on S29GL064N
- Move and rename chip_check/chip_ready/chip_good_for_write
NAND core changes:
- Print offset instead of page number for bad blocks
Raw NAND controller drivers:
- Cadence: Fix possible null-ptr-deref in cadence_nand_dt_probe()
- CS553X: simplify the return expression of cs553x_write_ctrl_byte()
- Davinci: Remove redundant unsigned comparison to zero
- Denali: Use managed device resources
- GPMI:
- Add large oob bch setting support
- Rename the variable ecc_chunk_size
- Uninline the gpmi_check_ecc function
- Add strict ecc strength check
- Refactor BCH geometry settings function
- Intel: Fix possible null-ptr-deref in ebu_nand_probe()
- MPC5121: Check before clk_disable_unprepare() not needed
- Mtk:
- MTD_NAND_ECC_MEDIATEK should depend on ARCH_MEDIATEK
- Also parse the default nand-ecc-engine property if available
- Make mtk_ecc.c a separated module
- OMAP ELM:
- Convert the bindings to yaml
- Describe the bindings for AM64 ELM
- Add support for its compatible
- Renesas: Use runtime PM instead of the raw clock API and update the
bindings accordingly
- Rockchip: Check before clk_disable_unprepare() not needed
- TMIO: Check return value after calling platform_get_resource()
Raw NAND chip driver:
- Kioxia: Add support for TH58NVG3S0HBAI4 and TC58NVG0S3HTA00
SPI-NAND chip drivers:
- Gigadevice:
- Add support for:
- GD5FxGM7xExxG
- GD5F{2,4}GQ5xExxG
- GD5F1GQ5RExxG
- GD5FxGQ4xExxG
- Fix Quad IO for GD5F1GQ5UExxG
- XTX: Add support for XT26G0xA
SPI NOR core changes:
- Read back written SR value to make sure the write was done
correctly.
- Introduce a common function for Read ID that manufacturer drivers
can use to verify the Octal DTR switch worked correctly.
- Add helpers for read/write any register commands so manufacturer
drivers don't open code it every time.
- Clarify rdsr dummy cycles documentation.
- Add debugfs entry to expose internal flash parameters and state.
SPI NOR manufacturer drivers changes:
- Add support for Winbond W25Q512NW-IM, and Eon EN25QH256A.
- Move spi_nor_write_ear() to Winbond module since only Winbond
flashes use it.
- Rework Micron and Cypress Octal DTR enable methods to improve
readability.
- Use the common Read ID function to verify switch to Octal DTR mode
for Micron and Cypress flashes.
- Skip polling status on volatile register writes for Micron and
Cypress flashes since the operation is instant"
* tag 'mtd/for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (68 commits)
mtd: st_spi_fsm: add missing clk_disable_unprepare() in stfsm_remove()
dt-bindings: mtd: partitions: Extend fixed-partitions binding
dt-bindings: Add Sercomm (Suzhou) Corporation vendor prefix
mtd: phram: Allow cached mappings
mtd: call of_platform_populate() for MTD partitions
mtd: rawnand: renesas: Use runtime PM instead of the raw clock API
dt-bindings: mtd: renesas: Fix the NAND controller description
mtd: rawnand: mpc5121: Check before clk_disable_unprepare() not needed
mtd: rawnand: rockchip: Check before clk_disable_unprepare() not needed
mtd: nand: MTD_NAND_ECC_MEDIATEK should depend on ARCH_MEDIATEK
mtd: rawnand: cs553x: simplify the return expression of cs553x_write_ctrl_byte()
mtd: rawnand: kioxia: Add support for TH58NVG3S0HBAI4
mtd: spi-nor: debugfs: fix format specifier
mtd: spi-nor: support eon en25qh256a variant
mtd: spi-nor: winbond: add support for W25Q512NW-IM
mtd: spi-nor: expose internal parameters via debugfs
mtd: spi-nor: export spi_nor_hwcaps_pp2cmd()
mtd: spi-nor: move spi_nor_write_ear() to winbond module
mtd: spi-nor: amend the rdsr dummy cycles documentation
mtd: cfi_cmdset_0002: Rename chip_ready variables
...
|
||
|
Linus Torvalds
|
076f222a69 |
hwmon updates for v5.19-rc1
- New drivers
- Driver for the Microchip LAN966x SoC
- PMBus driver for Infineon Digital Multi-phase xdp152 family controllers
- Chip support added to existing drivers
- asus-ec-sensors
- Support for ROG STRIX X570-E GAMING WIFI II, PRIME X470-PRO,
and ProArt X570 Creator WIFI
- External temperature sensor support for ASUS WS X570-ACE
- nct6775
- Support for I2C driver
- Support for ASUS PRO H410T / PRIME H410M-R / ROG X570-E GAMING WIFI II
- lm75
- Support for - Atmel AT30TS74
- pmbus/max16601
- Support for MAX16602
- aquacomputer_d5next
- Support for Aquacomputer Farbwerk
- Support for Aquacomputer Octo
- jc42
- Support for S-34TS04A
- Kernel API changes / clarifications
- The chip parameter of with_info API is now mandatory
- New hwmon_device_register_for_thermal API call for use by the thermal
subsystem
- Improvements
- PMBus and JC42 drivers now register with thermal subsystem
- PMBus drivers now support get_voltage/set_voltage power operations
- The adt7475 driver now supports pin configuration
- The lm90 driver now supports setting extended range temperatures
configuration with a devicetree property
- The dell-smm driver now registers as cooling device
- The OCC driver delays hwmon registration until requested by userspace
- Various other minor fixes and improvements
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Merge tag 'hwmon-for-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- Driver for the Microchip LAN966x SoC
- PMBus driver for Infineon Digital Multi-phase xdp152 family
controllers
Chip support added to existing drivers:
- asus-ec-sensors:
- Support for ROG STRIX X570-E GAMING WIFI II, PRIME X470-PRO, and
ProArt X570 Creator WIFI
- External temperature sensor support for ASUS WS X570-ACE
- nct6775:
- Support for I2C driver
- Support for ASUS PRO H410T / PRIME H410M-R /
ROG X570-E GAMING WIFI II
- lm75:
- Support for - Atmel AT30TS74
- pmbus/max16601:
- Support for MAX16602
- aquacomputer_d5next:
- Support for Aquacomputer Farbwerk
- Support for Aquacomputer Octo
- jc42:
- Support for S-34TS04A
Kernel API changes / clarifications:
- The chip parameter of with_info API is now mandatory
- New hwmon_device_register_for_thermal API call for use by the
thermal subsystem
Improvements:
- PMBus and JC42 drivers now register with thermal subsystem
- PMBus drivers now support get_voltage/set_voltage power operations
- The adt7475 driver now supports pin configuration
- The lm90 driver now supports setting extended range temperatures
configuration with a devicetree property
- The dell-smm driver now registers as cooling device
- The OCC driver delays hwmon registration until requested by
userspace
... and various other minor fixes and improvements"
* tag 'hwmon-for-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (71 commits)
hwmon: (aquacomputer_d5next) Fix an error handling path in aqc_probe()
hwmon: (sl28cpld) Fix typo in comment
hwmon: (pmbus) Check PEC support before reading other registers
hwmon: (dimmtemp) Fix bitmap handling
hwmon: (lm90) enable extended range according to DTS node
dt-bindings: hwmon: lm90: add ti,extended-range-enable property
dt-bindings: hwmon: lm90: add missing ti,tmp461
hwmon: (ibmaem) Directly use ida_alloc()/free()
hwmon: Directly use ida_alloc()/free()
hwmon: (asus-ec-sensors) fix Formula VIII definition
dt-bindings: trivial-devices: Add xdp152
hwmon: (sl28cpld-hwmon) Use HWMON_CHANNEL_INFO macro
hwmon: (pwm-fan) Use HWMON_CHANNEL_INFO macro
hwmon: (peci/dimmtemp) Use HWMON_CHANNEL_INFO macro
hwmon: (peci/cputemp) Use HWMON_CHANNEL_INFO macro
hwmon: (mr75203) Use HWMON_CHANNEL_INFO macro
hwmon: (ltc2992) Use HWMON_CHANNEL_INFO macro
hwmon: (as370-hwmon) Use HWMON_CHANNEL_INFO macro
hwmon: Make chip parameter for with_info API mandatory
thermal/drivers/thermal_hwmon: Use hwmon_device_register_for_thermal()
...
|
||
|
Linus Torvalds
|
0350785b0a |
integrity-v5.19
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Merge tag 'integrity-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull IMA updates from Mimi Zohar:
"New is IMA support for including fs-verity file digests and signatures
in the IMA measurement list as well as verifying the fs-verity file
digest based signatures, both based on policy.
In addition, are two bug fixes:
- avoid reading UEFI variables, which cause a page fault, on Apple
Macs with T2 chips.
- remove the original "ima" template Kconfig option to address a boot
command line ordering issue.
The rest is a mixture of code/documentation cleanup"
* tag 'integrity-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
integrity: Fix sparse warnings in keyring_handler
evm: Clean up some variables
evm: Return INTEGRITY_PASS for enum integrity_status value '0'
efi: Do not import certificates from UEFI Secure Boot for T2 Macs
fsverity: update the documentation
ima: support fs-verity file digest based version 3 signatures
ima: permit fsverity's file digests in the IMA measurement list
ima: define a new template field named 'd-ngv2' and templates
fs-verity: define a function to return the integrity protected file digest
ima: use IMA default hash algorithm for integrity violations
ima: fix 'd-ng' comments and documentation
ima: remove the IMA_TEMPLATE Kconfig option
ima: remove redundant initialization of pointer 'file'.
|
||
|
Linus Torvalds
|
7cf6a8a17f |
tpmdd updates for v5.19-rc1
- Strictened validation of key hashes for SYSTEM_BLACKLIST_HASH_LIST. An invalid hash format causes a compilation error. Previously, they got included to the kernel binary but were silently ignored at run-time. - Allow root user to append new hashes to the blacklist keyring. - Trusted keys backed with Cryptographic Acceleration and Assurance Module (CAAM), which part of some of the new NXP's SoC's. Now there is total three hardware backends for trusted keys: TPM, ARM TEE and CAAM. - A scattered set of fixes and small improvements for the TPM driver. Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org> -----BEGIN PGP SIGNATURE----- iIgEABYIADAWIQRE6pSOnaBC00OEHEIaerohdGur0gUCYoux6xIcamFya2tvQGtl cm5lbC5vcmcACgkQGnq6IXRrq9LTQgEA4zRrlmLPjhZ1iZpPZiyBBv5eOx20/c+y R7tCfJFB2+ABAOT1E885vt+GgKTY4mYloHJ+ZtnTIf1QRMP6EoSX+TwP =oBOO -----END PGP SIGNATURE----- Merge tag 'tpmdd-next-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd Pull tpm updates from Jarkko Sakkinen: - Tightened validation of key hashes for SYSTEM_BLACKLIST_HASH_LIST. An invalid hash format causes a compilation error. Previously, they got included to the kernel binary but were silently ignored at run-time. - Allow root user to append new hashes to the blacklist keyring. - Trusted keys backed with Cryptographic Acceleration and Assurance Module (CAAM), which part of some of the new NXP's SoC's. Now there is total three hardware backends for trusted keys: TPM, ARM TEE and CAAM. - A scattered set of fixes and small improvements for the TPM driver. * tag 'tpmdd-next-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd: MAINTAINERS: add KEYS-TRUSTED-CAAM doc: trusted-encrypted: describe new CAAM trust source KEYS: trusted: Introduce support for NXP CAAM-based trusted keys crypto: caam - add in-kernel interface for blob generator crypto: caam - determine whether CAAM supports blob encap/decap KEYS: trusted: allow use of kernel RNG for key material KEYS: trusted: allow use of TEE as backend without TCG_TPM support tpm: Add field upgrade mode support for Infineon TPM2 modules tpm: Fix buffer access in tpm2_get_tpm_pt() char: tpm: cr50_i2c: Suppress duplicated error message in .remove() tpm: cr50: Add new device/vendor ID 0x504a6666 tpm: Remove read16/read32/write32 calls from tpm_tis_phy_ops tpm: ibmvtpm: Correct the return value in tpm_ibmvtpm_probe() tpm/tpm_ftpm_tee: Return true/false (not 1/0) from bool functions certs: Explain the rationale to call panic() certs: Allow root user to append signed hashes to the blacklist keyring certs: Check that builtin blacklist hashes are valid certs: Make blacklist_vet_description() more strict certs: Factor out the blacklist hash creation tools/certs: Add print-cert-tbs-hash.sh |
||
|
Linus Torvalds
|
cb44e4f061 |
Landlock updates for v5.19-rc1
Important changes: * improve the path_rename LSM hook implementations for RENAME_EXCHANGE; * fix a too-restrictive filesystem control for a rare corner case; * set the nested sandbox limitation to 16 layers; * add a new LANDLOCK_ACCESS_FS_REFER access right to properly handle file reparenting (i.e. full rename and link support); * add new tests and documentation; * format code with clang-format to make it easier to maintain and contribute. Related patch series: * [PATCH v1 0/7] Landlock: Clean up coding style with clang-format https://lore.kernel.org/r/20220506160513.523257-1-mic@digikod.net * [PATCH v2 00/10] Minor Landlock fixes and new tests https://lore.kernel.org/r/20220506160820.524344-1-mic@digikod.net * [PATCH v3 00/12] Landlock: file linking and renaming support https://lore.kernel.org/r/20220506161102.525323-1-mic@digikod.net * [PATCH v2] landlock: Explain how to support Landlock https://lore.kernel.org/r/20220513112743.156414-1-mic@digikod.net -----BEGIN PGP SIGNATURE----- iIYEABYIAC4WIQSVyBthFV4iTW/VU1/l49DojIL20gUCYousmBAcbWljQGRpZ2lr b2QubmV0AAoJEOXj0OiMgvbSWToA/32m9xJhfppiTBHqw6Dt47v4sjuE/3ScwO/O 40rzaqs3AQD8AWHeqvPuM2lwPp1NQS4mcfv7K3DSCGBbUjHqdcl3Aw== =+tJO -----END PGP SIGNATURE----- Merge tag 'landlock-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux Pull Landlock updates from Mickaël Salaün: - improve the path_rename LSM hook implementations for RENAME_EXCHANGE; - fix a too-restrictive filesystem control for a rare corner case; - set the nested sandbox limitation to 16 layers; - add a new LANDLOCK_ACCESS_FS_REFER access right to properly handle file reparenting (i.e. full rename and link support); - add new tests and documentation; - format code with clang-format to make it easier to maintain and contribute. * tag 'landlock-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: (30 commits) landlock: Explain how to support Landlock landlock: Add design choices documentation for filesystem access rights landlock: Document good practices about filesystem policies landlock: Document LANDLOCK_ACCESS_FS_REFER and ABI versioning samples/landlock: Add support for file reparenting selftests/landlock: Add 11 new test suites dedicated to file reparenting landlock: Add support for file reparenting with LANDLOCK_ACCESS_FS_REFER LSM: Remove double path_rename hook calls for RENAME_EXCHANGE landlock: Move filesystem helpers and add a new one landlock: Fix same-layer rule unions landlock: Create find_rule() from unmask_layers() landlock: Reduce the maximum number of layers to 16 landlock: Define access_mask_t to enforce a consistent access mask size selftests/landlock: Test landlock_create_ruleset(2) argument check ordering landlock: Change landlock_restrict_self(2) check ordering landlock: Change landlock_add_rule(2) argument check ordering selftests/landlock: Add tests for O_PATH selftests/landlock: Fully test file rename with "remove" access selftests/landlock: Extend access right tests to directories selftests/landlock: Add tests for unknown access rights ... |
||
|
Linus Torvalds
|
dc8af1ffd6 |
seccomp updates for v5.19-rc1
- Rework USER_NOTIF notification ordering and kill logic (Sargun Dhillon) - Improved PTRACE_O_SUSPEND_SECCOMP selftest (Jann Horn) - Gracefully handle failed unshare() in selftests (Yang Guang) - Spelling fix (Colin Ian King) -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmKL3PcWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJv6PD/0TQeV6brFi+m98nQpASx/gaBL2 c/0IgjBBVeA3CWjfN25gogIiFc8sKzs0hVnFkQt0JX6wgvqKAvU3ZCpVUoF4U4KB yznJQgzU66bvw/t+Sy6eSuZTN9bYzS+nWjczpwtRmcfzLLRtODN//9Hbz+2j9zdX VJzbfy4pGpiiZ25ZxbKDhu9P8WFTjaC7bohI5/+RG/cLEPOR9xTdNBOHBksk6VYm dRy9gT6v6BwF66APs1DylL+xVTSxsjymd0hvtRUn4R6+GHCZ8tlwgUFkb5oKEmki qCoxpj0a+EZ3Z8WAtbOJJYixB/MwK9vAxNqjcIyGbdhXvj2mZ3YRNu03araMQh+N 9vJdsfScu6401Hk+di40X0voSFwoMyheGu51tbT1El2DC0JLSZBsYceb/zSxyM7s KFVU7Is2pKj1UsxHoj8ielhJHOw8h0prdQmyMydaapTD/MXH3WKT/PFoT+oGG9IN 2MCpwz2U1VQmpn5bqdXlesTRRfOTGwUhI+hrDGAnnE+d2P+K/Ujoyq4ZDmP87aYP fCM0fQi+BGj3F6XDwKnpdg/qTLZInwRg2ZChQlky/DR+PIaTavSjBZcfvc0IKzhd vaFM80tNXl5BXZN0c9foCrU+s0ErdNVC00qs/EdpjTGAqSySnEkuPNq0/DmbLF67 e8puOuFCkYHFQgPz5A== =KxfK -----END PGP SIGNATURE----- Merge tag 'seccomp-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull seccomp updates from Kees Cook: - Rework USER_NOTIF notification ordering and kill logic (Sargun Dhillon) - Improved PTRACE_O_SUSPEND_SECCOMP selftest (Jann Horn) - Gracefully handle failed unshare() in selftests (Yang Guang) - Spelling fix (Colin Ian King) * tag 'seccomp-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: selftests/seccomp: Fix spelling mistake "Coud" -> "Could" selftests/seccomp: Add test for wait killable notifier selftests/seccomp: Refactor get_proc_stat to split out file reading code seccomp: Add wait_killable semantic to seccomp user notifier selftests/seccomp: Ensure that notifications come in FIFO order seccomp: Use FIFO semantics to order notifications selftests/seccomp: Add SKIP for failed unshare() selftests/seccomp: Test PTRACE_O_SUSPEND_SECCOMP without CAP_SYS_ADMIN |
||
|
Linus Torvalds
|
0bf13a8436 |
kernel-hardening updates for v5.19-rc1
- usercopy hardening expanded to check other allocation types (Matthew Wilcox, Yuanzheng Song) - arm64 stackleak behavioral improvements (Mark Rutland) - arm64 CFI code gen improvement (Sami Tolvanen) - LoadPin LSM block dev API adjustment (Christoph Hellwig) - Clang randstruct support (Bill Wendling, Kees Cook) -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmKL1kMWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJlz6D/9lYEwDQYwKVK6fsXdgcs/eUkqc P06KGm7jDiYiua34LMpgu35wkRcxVDzB92kzQmt7yaVqhlIGjO9wnP+uZrq8q/LS X9FSb457fREg0XLPX5XC60abHYyikvgJMf06dSLaBcRq1Wzqwp5JZPpLZJUAM2ab rM1Vq0brfF1+lPAPECx1sYYNksP9XTw0dtzUu8D9tlTQDFAhKYhV6Io5yRFkA4JH ELSHjJHlNgLYeZE5IfWHRQBb+yofjnt61IwoVkqa5lSfoyvKpBPF5G+3gOgtdkyv A8So2aG/bMNUUY80Th5ojiZ6V7z5SYjUmHRil6I/swAdkc825n2wM+AQqsxv6U4I VvGz3cxaKklERw5N+EJw4amivcgm1jEppZ7qCx9ysLwVg/LI050qhv/T10TYPmOX 0sQEpZvbKuqGb6nzWo6DME8OpZ27yIa/oRzBHdkIkfkEefYlKWS+dfvWb/73cltj jx066Znk1hHZWGT48EsRmxdGAHn4kfIMcMgIs1ki1OO2II6LoXyaFJ0wSAYItxpz 5gCmDMjkGFRrtXXPEhi6kfKKpOuQux+BmpbVfEzox7Gnrf45sp92cYLncmpAsFB3 91nPa4/utqb/9ijFCIinazLdcUBPO8I1C8FOHDWSFCnNt4d3j2ozpLbrKWyQsm7+ RCGdcy+NU/FH1FwZlg== =nxsC -----END PGP SIGNATURE----- Merge tag 'kernel-hardening-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull kernel hardening updates from Kees Cook: - usercopy hardening expanded to check other allocation types (Matthew Wilcox, Yuanzheng Song) - arm64 stackleak behavioral improvements (Mark Rutland) - arm64 CFI code gen improvement (Sami Tolvanen) - LoadPin LSM block dev API adjustment (Christoph Hellwig) - Clang randstruct support (Bill Wendling, Kees Cook) * tag 'kernel-hardening-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (34 commits) loadpin: stop using bdevname mm: usercopy: move the virt_addr_valid() below the is_vmalloc_addr() gcc-plugins: randstruct: Remove cast exception handling af_unix: Silence randstruct GCC plugin warning niu: Silence randstruct warnings big_keys: Use struct for internal payload gcc-plugins: Change all version strings match kernel randomize_kstack: Improve docs on requirements/rationale lkdtm/stackleak: fix CONFIG_GCC_PLUGIN_STACKLEAK=n arm64: entry: use stackleak_erase_on_task_stack() stackleak: add on/off stack variants lkdtm/stackleak: check stack boundaries lkdtm/stackleak: prevent unexpected stack usage lkdtm/stackleak: rework boundary management lkdtm/stackleak: avoid spurious failure stackleak: rework poison scanning stackleak: rework stack high bound handling stackleak: clarify variable names stackleak: rework stack low bound handling stackleak: remove redundant check ... |
||
|
Linus Torvalds
|
ac2ab99072 |
Random number generator updates for Linux 5.19-rc1.
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Merge tag 'random-5.19-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
Pull random number generator updates from Jason Donenfeld:
"These updates continue to refine the work began in 5.17 and 5.18 of
modernizing the RNG's crypto and streamlining and documenting its
code.
New for 5.19, the updates aim to improve entropy collection methods
and make some initial decisions regarding the "premature next" problem
and our threat model. The cloc utility now reports that random.c is
931 lines of code and 466 lines of comments, not that basic metrics
like that mean all that much, but at the very least it tells you that
this is very much a manageable driver now.
Here's a summary of the various updates:
- The random_get_entropy() function now always returns something at
least minimally useful. This is the primary entropy source in most
collectors, which in the best case expands to something like RDTSC,
but prior to this change, in the worst case it would just return 0,
contributing nothing. For 5.19, additional architectures are wired
up, and architectures that are entirely missing a cycle counter now
have a generic fallback path, which uses the highest resolution
clock available from the timekeeping subsystem.
Some of those clocks can actually be quite good, despite the CPU
not having a cycle counter of its own, and going off-core for a
stamp is generally thought to increase jitter, something positive
from the perspective of entropy gathering. Done very early on in
the development cycle, this has been sitting in next getting some
testing for a while now and has relevant acks from the archs, so it
should be pretty well tested and fine, but is nonetheless the thing
I'll be keeping my eye on most closely.
- Of particular note with the random_get_entropy() improvements is
MIPS, which, on CPUs that lack the c0 count register, will now
combine the high-speed but short-cycle c0 random register with the
lower-speed but long-cycle generic fallback path.
- With random_get_entropy() now always returning something useful,
the interrupt handler now collects entropy in a consistent
construction.
- Rather than comparing two samples of random_get_entropy() for the
jitter dance, the algorithm now tests many samples, and uses the
amount of differing ones to determine whether or not jitter entropy
is usable and how laborious it must be. The problem with comparing
only two samples was that if the cycle counter was extremely slow,
but just so happened to be on the cusp of a change, the slowness
wouldn't be detected. Taking many samples fixes that to some
degree.
This, combined with the other improvements to random_get_entropy(),
should make future unification of /dev/random and /dev/urandom
maybe more possible. At the very least, were we to attempt it again
today (we're not), it wouldn't break any of Guenter's test rigs
that broke when we tried it with 5.18. So, not today, but perhaps
down the road, that's something we can revisit.
- We attempt to reseed the RNG immediately upon waking up from system
suspend or hibernation, making use of the various timestamps about
suspend time and such available, as well as the usual inputs such
as RDRAND when available.
- Batched randomness now falls back to ordinary randomness before the
RNG is initialized. This provides more consistent guarantees to the
types of random numbers being returned by the various accessors.
- The "pre-init injection" code is now gone for good. I suspect you
in particular will be happy to read that, as I recall you
expressing your distaste for it a few months ago. Instead, to avoid
a "premature first" issue, while still allowing for maximal amount
of entropy availability during system boot, the first 128 bits of
estimated entropy are used immediately as it arrives, with the next
128 bits being buffered. And, as before, after the RNG has been
fully initialized, it winds up reseeding anyway a few seconds later
in most cases. This resulted in a pretty big simplification of the
initialization code and let us remove various ad-hoc mechanisms
like the ugly crng_pre_init_inject().
- The RNG no longer pretends to handle the "premature next" security
model, something that various academics and other RNG designs have
tried to care about in the past. After an interesting mailing list
thread, these issues are thought to be a) mainly academic and not
practical at all, and b) actively harming the real security of the
RNG by delaying new entropy additions after a potential compromise,
making a potentially bad situation even worse. As well, in the
first place, our RNG never even properly handled the premature next
issue, so removing an incomplete solution to a fake problem was
particularly nice.
This allowed for numerous other simplifications in the code, which
is a lot cleaner as a consequence. If you didn't see it before,
https://lore.kernel.org/lkml/YmlMGx6+uigkGiZ0@zx2c4.com/ may be a
thread worth skimming through.
- While the interrupt handler received a separate code path years ago
that avoids locks by using per-cpu data structures and a faster
mixing algorithm, in order to reduce interrupt latency, input and
disk events that are triggered in hardirq handlers were still
hitting locks and more expensive algorithms. Those are now
redirected to use the faster per-cpu data structures.
- Rather than having the fake-crypto almost-siphash-based random32
implementation be used right and left, and in many places where
cryptographically secure randomness is desirable, the batched
entropy code is now fast enough to replace that.
- As usual, numerous code quality and documentation cleanups. For
example, the initialization state machine now uses enum symbolic
constants instead of just hard coding numbers everywhere.
- Since the RNG initializes once, and then is always initialized
thereafter, a pretty heavy amount of code used during that
initialization is never used again. It is now completely cordoned
off using static branches and it winds up in the .text.unlikely
section so that it doesn't reduce cache compactness after the RNG
is ready.
- A variety of functions meant for waiting on the RNG to be
initialized were only used by vsprintf, and in not a particularly
optimal way. Replacing that usage with a more ordinary setup made
it possible to remove those functions.
- A cleanup of how we warn userspace about the use of uninitialized
/dev/urandom and uninitialized get_random_bytes() usage.
Interestingly, with the change you merged for 5.18 that attempts to
use jitter (but does not block if it can't), the majority of users
should never see those warnings for /dev/urandom at all now, and
the one for in-kernel usage is mainly a debug thing.
- The file_operations struct for /dev/[u]random now implements
.read_iter and .write_iter instead of .read and .write, allowing it
to also implement .splice_read and .splice_write, which makes
splice(2) work again after it was broken here (and in many other
places in the tree) during the set_fs() removal. This was a bit of
a last minute arrival from Jens that hasn't had as much time to
bake, so I'll be keeping my eye on this as well, but it seems
fairly ordinary. Unfortunately, read_iter() is around 3% slower
than read() in my tests, which I'm not thrilled about. But Jens and
Al, spurred by this observation, seem to be making progress in
removing the bottlenecks on the iter paths in the VFS layer in
general, which should remove the performance gap for all drivers.
- Assorted other bug fixes, cleanups, and optimizations.
- A small SipHash cleanup"
* tag 'random-5.19-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random: (49 commits)
random: check for signals after page of pool writes
random: wire up fops->splice_{read,write}_iter()
random: convert to using fops->write_iter()
random: convert to using fops->read_iter()
random: unify batched entropy implementations
random: move randomize_page() into mm where it belongs
random: remove mostly unused async readiness notifier
random: remove get_random_bytes_arch() and add rng_has_arch_random()
random: move initialization functions out of hot pages
random: make consistent use of buf and len
random: use proper return types on get_random_{int,long}_wait()
random: remove extern from functions in header
random: use static branch for crng_ready()
random: credit architectural init the exact amount
random: handle latent entropy and command line from random_init()
random: use proper jiffies comparison macro
random: remove ratelimiting for in-kernel unseeded randomness
random: move initialization out of reseeding hot path
random: avoid initializing twice in credit race
random: use symbolic constants for crng_init states
...
|
||
|
Linus Torvalds
|
6f3f04c190 |
Scheduler changes in this cycle were:
- Updates to scheduler metrics:
- PELT fixes & enhancements
- PSI fixes & enhancements
- Refactor cpu_util_without()
- Updates to instrumentation/debugging:
- Remove sched_trace_*() helper functions - can be done via debug info
- Fix double update_rq_clock() warnings
- Introduce & use "preemption model accessors" to simplify some of
the Kconfig complexity.
- Make softirq handling RT-safe.
- Misc smaller fixes & cleanups.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
- Updates to scheduler metrics:
- PELT fixes & enhancements
- PSI fixes & enhancements
- Refactor cpu_util_without()
- Updates to instrumentation/debugging:
- Remove sched_trace_*() helper functions - can be done via debug
info
- Fix double update_rq_clock() warnings
- Introduce & use "preemption model accessors" to simplify some of the
Kconfig complexity.
- Make softirq handling RT-safe.
- Misc smaller fixes & cleanups.
* tag 'sched-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
topology: Remove unused cpu_cluster_mask()
sched: Reverse sched_class layout
sched/deadline: Remove superfluous rq clock update in push_dl_task()
sched/core: Avoid obvious double update_rq_clock warning
smp: Make softirq handling RT safe in flush_smp_call_function_queue()
smp: Rename flush_smp_call_function_from_idle()
sched: Fix missing prototype warnings
sched/fair: Remove cfs_rq_tg_path()
sched/fair: Remove sched_trace_*() helper functions
sched/fair: Refactor cpu_util_without()
sched/fair: Revise comment about lb decision matrix
sched/psi: report zeroes for CPU full at the system level
sched/fair: Delete useless condition in tg_unthrottle_up()
sched/fair: Fix cfs_rq_clock_pelt() for throttled cfs_rq
sched/fair: Move calculate of avg_load to a better location
mailmap: Update my email address to @redhat.com
MAINTAINERS: Add myself as scheduler topology reviewer
psi: Fix trigger being fired unexpectedly at initial
ftrace: Use preemption model accessors for trace header printout
kcsan: Use preemption model accessors
|
||
|
Linus Torvalds
|
143a6252e1 |
arm64 updates for 5.19:
- Initial support for the ARMv9 Scalable Matrix Extension (SME). SME takes the approach used for vectors in SVE and extends this to provide architectural support for matrix operations. No KVM support yet, SME is disabled in guests. - Support for crashkernel reservations above ZONE_DMA via the 'crashkernel=X,high' command line option. - btrfs search_ioctl() fix for live-lock with sub-page faults. - arm64 perf updates: support for the Hisilicon "CPA" PMU for monitoring coherent I/O traffic, support for Arm's CMN-650 and CMN-700 interconnect PMUs, minor driver fixes, kerneldoc cleanup. - Kselftest updates for SME, BTI, MTE. - Automatic generation of the system register macros from a 'sysreg' file describing the register bitfields. - Update the type of the function argument holding the ESR_ELx register value to unsigned long to match the architecture register size (originally 32-bit but extended since ARMv8.0). - stacktrace cleanups. - ftrace cleanups. - Miscellaneous updates, most notably: arm64-specific huge_ptep_get(), avoid executable mappings in kexec/hibernate code, drop TLB flushing from get_clear_flush() (and rename it to get_clear_contig()), ARCH_NR_GPIO bumped to 2048 for ARCH_APPLE. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE5RElWfyWxS+3PLO2a9axLQDIXvEFAmKH19IACgkQa9axLQDI XvEFWg//bf0p6zjeNaOJmBbyVFsXsVyYiEaLUpFPUs3oB+81s2YZ+9i1rgMrNCft EIDQ9+/HgScKxJxnzWf68heMdcBDbk76VJtLALExbge6owFsjByQDyfb/b3v/bLd ezAcGzc6G5/FlI1IP7ct4Z9MnQry4v5AG8lMNAHjnf6GlBS/tYNAqpmj8HpQfgRQ ZbhfZ8Ayu3TRSLWL39NHVevpmxQm/bGcpP3Q9TtjUqg0r1FQ5sK/LCqOksueIAzT UOgUVYWSFwTpLEqbYitVqgERQp9LiLoK5RmNYCIEydfGM7+qmgoxofSq5e2hQtH2 SZM1XilzsZctRbBbhMit1qDBqMlr/XAy/R5FO0GauETVKTaBhgtj6mZGyeC9nU/+ RGDljaArbrOzRwMtSuXF+Fp6uVo5spyRn1m8UT/k19lUTdrV9z6EX5Fzuc4Mnhed oz4iokbl/n8pDObXKauQspPA46QpxUYhrAs10B/ELc3yyp/Qj3jOfzYHKDNFCUOq HC9mU+YiO9g2TbYgCrrFM6Dah2E8fU6/cR0ZPMeMgWK4tKa+6JMEINYEwak9e7M+ 8lZnvu3ntxiJLN+PrPkiPyG+XBh2sux1UfvNQ+nw4Oi9xaydeX7PCbQVWmzTFmHD q7UPQ8220e2JNCha9pULS8cxDLxiSksce06DQrGXwnHc1Ir7T04= =0DjE -----END PGP SIGNATURE----- Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 updates from Catalin Marinas: - Initial support for the ARMv9 Scalable Matrix Extension (SME). SME takes the approach used for vectors in SVE and extends this to provide architectural support for matrix operations. No KVM support yet, SME is disabled in guests. - Support for crashkernel reservations above ZONE_DMA via the 'crashkernel=X,high' command line option. - btrfs search_ioctl() fix for live-lock with sub-page faults. - arm64 perf updates: support for the Hisilicon "CPA" PMU for monitoring coherent I/O traffic, support for Arm's CMN-650 and CMN-700 interconnect PMUs, minor driver fixes, kerneldoc cleanup. - Kselftest updates for SME, BTI, MTE. - Automatic generation of the system register macros from a 'sysreg' file describing the register bitfields. - Update the type of the function argument holding the ESR_ELx register value to unsigned long to match the architecture register size (originally 32-bit but extended since ARMv8.0). - stacktrace cleanups. - ftrace cleanups. - Miscellaneous updates, most notably: arm64-specific huge_ptep_get(), avoid executable mappings in kexec/hibernate code, drop TLB flushing from get_clear_flush() (and rename it to get_clear_contig()), ARCH_NR_GPIO bumped to 2048 for ARCH_APPLE. * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (145 commits) arm64/sysreg: Generate definitions for FAR_ELx arm64/sysreg: Generate definitions for DACR32_EL2 arm64/sysreg: Generate definitions for CSSELR_EL1 arm64/sysreg: Generate definitions for CPACR_ELx arm64/sysreg: Generate definitions for CONTEXTIDR_ELx arm64/sysreg: Generate definitions for CLIDR_EL1 arm64/sve: Move sve_free() into SVE code section arm64: Kconfig.platforms: Add comments arm64: Kconfig: Fix indentation and add comments arm64: mm: avoid writable executable mappings in kexec/hibernate code arm64: lds: move special code sections out of kernel exec segment arm64/hugetlb: Implement arm64 specific huge_ptep_get() arm64/hugetlb: Use ptep_get() to get the pte value of a huge page arm64: kdump: Do not allocate crash low memory if not needed arm64/sve: Generate ZCR definitions arm64/sme: Generate defintions for SVCR arm64/sme: Generate SMPRI_EL1 definitions arm64/sme: Automatically generate SMPRIMAP_EL2 definitions arm64/sme: Automatically generate SMIDR_EL1 defines arm64/sme: Automatically generate defines for SMCR ... |
||
|
Linus Torvalds
|
17a05c8f1e |
Xtensa updates for v5.19
- support coprocessors on SMP - support KCSAN - support handling protection faults in noMMU configurations - support using coprocessors in the kernel mode - support hibernation - enable context tracking - enable HAVE_VIRT_CPU_ACCOUNTING_GEN - support division by 0 exception on cores without HW division option - clean up locking in the ISS network driver - clean up kernel entry assemly code - various minor fixes -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEK2eFS5jlMn3N6xfYUfnMkfg/oEQFAmKLPAUTHGpjbXZia2Jj QGdtYWlsLmNvbQAKCRBR+cyR+D+gRLG8D/9HqP8hdtc2lJ22/30Le+qEiT2KgZI8 m0Usycbfb8PssRbk05ivCvNAmpIkZyKHKXZ598vNlqzEOXwdKK72n/rH2hLbmLau aD9oHH/XqDJHTpDqZ2Txcb2EV/tgnj1OEkHX3YXPrOPPugz+5zjETJMfhJK3wQjV g/iVqEZcTt+IAOb2Ok3V7Stt1uuhgeroM24b+TgILgfKRS2fZs6MS+j+zTwwYJBP Na3pvG+pyAkevTQagYOmFdywdYABW1P5+jAVNsnxdbMZ0LqI6kOtrqVXxSyai/zh oE4h8yoaT9Tikqwr7v/0Ofo62jxcst0MmOJlOxBsSRT9eSDWYAltVs2/u8PfTLw6 i9FxLFe5JcYMVG6EA/krQEHi1j/QbSz4AC4lWf3PxUwaUiQhk2Lbn8WrXmkd1z2r 2eM97Fpr0oBW6EdU3iaZTXM6oyVivaFbe2FF3/v9Vmi6jj3sRcuCcKBjd5+u90Ae /5uIiwk/a2OfIvtxLxfOQPzplEpzIpP3KYKmMjzQMs/E+UjHZuTXETsevDj3Ywy2 qoe9lazctiTUClrbpTSUnmtL7muO6WrA55HsUOLswaDpYIKW1JA493j5wCNUpBAZ i2kddOXVbZEnkRayC9jRwrdaS+3H5p9Ns6lr6nH7ZLV9S+kd//M+b00DYC++yD3u h8zW7dzUkHHXCA== =vQ/C -----END PGP SIGNATURE----- Merge tag 'xtensa-20220523' of https://github.com/jcmvbkbc/linux-xtensa Pull xtensa architecture updates from Max Filippov: - support coprocessors on SMP - support KCSAN - support handling protection faults in noMMU configurations - support using coprocessors in the kernel mode - support hibernation - enable context tracking - enable HAVE_VIRT_CPU_ACCOUNTING_GEN - support division by 0 exception on cores without HW division option - clean up locking in the ISS network driver - clean up kernel entry assemly code - various minor fixes * tag 'xtensa-20220523' of https://github.com/jcmvbkbc/linux-xtensa: (36 commits) xtensa: Return true/false (not 1/0) from bool function xtensa: improve call0 ABI probing xtensa: support artificial division by 0 exception xtensa: add trap handler for division by zero xtensa/simdisk: fix proc_read_simdisk() xtensa: no need to initialise statics to 0 xtensa: clean up labels in the kernel entry assembly xtensa: don't leave invalid TLB entry in fast_store_prohibited xtensa: fix declaration of _SecondaryResetVector_text_* irqchip: irq-xtensa-mx: fix initial IRQ affinity xtensa: enable ARCH_HAS_DEBUG_VM_PGTABLE xtensa: add hibernation support xtensa: support coprocessors on SMP xtensa: get rid of stack frame in coprocessor_flush xtensa: merge SAVE_CP_REGS_TAB and LOAD_CP_REGS_TAB xtensa: add xtensa_xsr macro xtensa: handle coprocessor exceptions in kernel mode xtensa: use callx0 opcode in fast_coprocessor xtensa: clean up excsave1 initialization xtensa: clean up declarations in coprocessor.h ... |
||
|
Linus Torvalds
|
d613060475 |
xen: branch for v5.19-rc1
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Merge tag 'for-linus-5.19-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
- decouple the PV interface from kernel internals in the Xen
scsifront/scsiback pv drivers
- harden the Xen scsifront PV driver against a malicious backend driver
- simplify Xen PV frontend driver ring page setup
- support Xen setups with multiple domains created at boot time to
tolerate Xenstore coming up late
- two small cleanup patches
* tag 'for-linus-5.19-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: (29 commits)
xen: add support for initializing xenstore later as HVM domain
xen: sync xs_wire.h header with upstream xen
x86: xen: remove STACK_FRAME_NON_STANDARD from xen_cpuid
xen-blk{back,front}: Update contact points for buffer_squeeze_duration_ms and feature_persistent
xen/xenbus: eliminate xenbus_grant_ring()
xen/sndfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/usbfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/scsifront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/pcifront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/drmfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/tpmfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/netfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/blkfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/xenbus: add xenbus_setup_ring() service function
xen: update ring.h
xen/shbuf: switch xen-front-pgdir-shbuf to use INVALID_GRANT_REF
xen/dmabuf: switch gntdev-dmabuf to use INVALID_GRANT_REF
xen/sound: switch xen_snd_front to use INVALID_GRANT_REF
xen/drm: switch xen_drm_front to use INVALID_GRANT_REF
xen/usb: switch xen-hcd to use INVALID_GRANT_REF
...
|
||
|
Linus Torvalds
|
8443516da6 |
platform-drivers-x86 for v5.19-1
Highlights:
- New drivers:
- Intel "In Field Scan" (IFS) support
- Winmate FM07/FM07P buttons
- Mellanox SN2201 support
- AMD PMC driver enhancements
- Lots of various other small fixes and hardware-id additions
The following is an automated git shortlog grouped by driver:
Documentation:
- In-Field Scan
Documentation/ABI:
- Add new attributes for mlxreg-io sysfs interfaces
- sysfs-class-firmware-attributes: Misc. cleanups
- sysfs-class-firmware-attributes: Fix Sphinx errors
- sysfs-driver-intel_sdsi: Fix sphinx warnings
acerhdf:
- Cleanup str_starts_with()
amd-pmc:
- Fix build error unused-function
- Shuffle location of amd_pmc_get_smu_version()
- Avoid reading SMU version at probe time
- Move FCH init to first use
- Move SMU logging setup out of init
- Fix compilation without CONFIG_SUSPEND
amd_hsmp:
- Add HSMP protocol version 5 messages
asus-nb-wmi:
- Add keymap for MyASUS key
asus-wmi:
- Update unknown code message
- Use kobj_to_dev()
- Fix driver not binding when fan curve control probe fails
- Potential buffer overflow in asus_wmi_evaluate_method_buf()
barco-p50-gpio:
- Fix duplicate included linux/io.h
dell-laptop:
- Add quirk entry for Latitude 7520
gigabyte-wmi:
- Add support for Z490 AORUS ELITE AC and X570 AORUS ELITE WIFI
- added support for B660 GAMING X DDR4 motherboard
hp-wmi:
- Correct code style related issues
intel-hid:
- fix _DSM function index handling
intel-uncore-freq:
- Prevent driver loading in guests
intel_cht_int33fe:
- Set driver data
platform/mellanox:
- Add support for new SN2201 system
platform/surface:
- aggregator: Fix initialization order when compiling as builtin module
- gpe: Add support for Surface Pro 8
platform/x86/dell:
- add buffer allocation/free functions for SMI calls
platform/x86/intel:
- Fix 'rmmod pmt_telemetry' panic
- pmc/core: Use kobj_to_dev()
- pmc/core: change pmc_lpm_modes to static
platform/x86/intel/ifs:
- Add CPU_SUP_INTEL dependency
- add ABI documentation for IFS
- Add IFS sysfs interface
- Add scan test support
- Authenticate and copy to secured memory
- Check IFS Image sanity
- Read IFS firmware image
- Add stub driver for In-Field Scan
platform/x86/intel/sdsi:
- Fix bug in multi packet reads
- Poll on ready bit for writes
- Handle leaky bucket
platform_data/mlxreg:
- Add field for notification callback
pmc_atom:
- dont export pmc_atom_read - no modular users
- remove unused pmc_atom_write()
samsung-laptop:
- use kobj_to_dev()
- Fix an unsigned comparison which can never be negative
stop_machine:
- Add stop_core_cpuslocked() for per-core operations
think-lmi:
- certificate support clean ups
thinkpad_acpi:
- Correct dual fan probe
- Add a s2idle resume quirk for a number of laptops
- Convert btusb DMI list to quirks
tools/power/x86/intel-speed-select:
- Fix warning for perf_cap.cpu
- Display error on turbo mode disabled
- fix build failure when using -Wl,--as-needed
toshiba_acpi:
- use kobj_to_dev()
trace:
- platform/x86/intel/ifs: Add trace point to track Intel IFS operations
winmate-fm07-keys:
- Winmate FM07/FM07P buttons
wmi:
- replace usage of found with dedicated list iterator variable
x86/microcode/intel:
- Expose collect_cpu_info_early() for IFS
x86/msr-index:
- Define INTEGRITY_CAPABILITIES MSR
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Merge tag 'platform-drivers-x86-v5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
"This includes some small changes to kernel/stop_machine.c and arch/x86
which are deps of the new Intel IFS support.
Highlights:
- New drivers:
- Intel "In Field Scan" (IFS) support
- Winmate FM07/FM07P buttons
- Mellanox SN2201 support
- AMD PMC driver enhancements
- Lots of various other small fixes and hardware-id additions"
* tag 'platform-drivers-x86-v5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (54 commits)
platform/x86/intel/ifs: Add CPU_SUP_INTEL dependency
platform/x86: intel_cht_int33fe: Set driver data
platform/x86: intel-hid: fix _DSM function index handling
platform/x86: toshiba_acpi: use kobj_to_dev()
platform/x86: samsung-laptop: use kobj_to_dev()
platform/x86: gigabyte-wmi: Add support for Z490 AORUS ELITE AC and X570 AORUS ELITE WIFI
tools/power/x86/intel-speed-select: Fix warning for perf_cap.cpu
tools/power/x86/intel-speed-select: Display error on turbo mode disabled
Documentation: In-Field Scan
platform/x86/intel/ifs: add ABI documentation for IFS
trace: platform/x86/intel/ifs: Add trace point to track Intel IFS operations
platform/x86/intel/ifs: Add IFS sysfs interface
platform/x86/intel/ifs: Add scan test support
platform/x86/intel/ifs: Authenticate and copy to secured memory
platform/x86/intel/ifs: Check IFS Image sanity
platform/x86/intel/ifs: Read IFS firmware image
platform/x86/intel/ifs: Add stub driver for In-Field Scan
stop_machine: Add stop_core_cpuslocked() for per-core operations
x86/msr-index: Define INTEGRITY_CAPABILITIES MSR
x86/microcode/intel: Expose collect_cpu_info_early() for IFS
...
|
||
|
Linus Torvalds
|
a13dc4d409 |
- Serious sanitization and cleanup of the whole APERF/MPERF and
frequency invariance code along with removing the need for unnecessary IPIs - Finally remove a.out support - The usual trivial cleanups and fixes all over x86 -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLn48ACgkQEsHwGGHe VUpbkg/+PELrc0y/qxLM/+dyftKYY16Rhk6ZVAXfwqlh5ldyVQcLMUgKwDqYyTn2 XmgdI3cTcFlH2K7j6ANWLu0I9NPaviimUcEdMVcXt7aY5mGWk/q4hIyCYM8d41sV qKx4OjNSdyoofG6MtwFLJDuoeVg99Bqgvm4nP9BuxL0dZJ2hfcUZ7MTxYCx9ZYjK /3trx0NV287Yg/wm91EU0nLQzy9xbGS7WCmMnse6uxiUdm2vXbBt8oNFF4f747Dj 0cArfNrMgYq4Cv5bgt/Ki0NU/n4EOGDpJUSyQwlnjDKeN81ESPy7IWtTQ6cE/rJK BZeUIPiGiYHwtqXv0UTAPGLG8cAqKeab8u0xAOyrFVDkTc0+WlPJRsUAOmRRGIGE M8ZjoxrLeuFgxw6vKpVjaA+mDRj3qEpSH+IrTcekS98PN7gmVzvq03GobgGbT7YB xmtbThJa+514FfUVckkyC0+A56BknUIgVxwFPqrthE2atzYTbH67hW4U0yVWXXr7 2VI7ttozBrYVgHCWhD9eoT0uhyD74Vl6pqHnqzY9ShIfKVUGvMgKHHg04nLLtF7W hm87xV3Q5UEmXhTmDzT1rUZ99mBUxGbWxk227I9raMugIh7pp9wIr57+7O0LRYfX TdnE2+tL8RMi7+XzRH5iLhnwkrvahBESeHSQ7GVI1Y2zMmmFN+0= =Dks/ -----END PGP SIGNATURE----- Merge tag 'x86_cleanups_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 cleanups from Borislav Petkov: - Serious sanitization and cleanup of the whole APERF/MPERF and frequency invariance code along with removing the need for unnecessary IPIs - Finally remove a.out support - The usual trivial cleanups and fixes all over x86 * tag 'x86_cleanups_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits) x86: Remove empty files x86/speculation: Add missing srbds=off to the mitigations= help text x86/prctl: Remove pointless task argument x86/aperfperf: Make it correct on 32bit and UP kernels x86/aperfmperf: Integrate the fallback code from show_cpuinfo() x86/aperfmperf: Replace arch_freq_get_on_cpu() x86/aperfmperf: Replace aperfmperf_get_khz() x86/aperfmperf: Store aperf/mperf data for cpu frequency reads x86/aperfmperf: Make parts of the frequency invariance code unconditional x86/aperfmperf: Restructure arch_scale_freq_tick() x86/aperfmperf: Put frequency invariance aperf/mperf data into a struct x86/aperfmperf: Untangle Intel and AMD frequency invariance init x86/aperfmperf: Separate AP/BP frequency invariance init x86/smp: Move APERF/MPERF code where it belongs x86/aperfmperf: Dont wake idle CPUs in arch_freq_get_on_cpu() x86/process: Fix kernel-doc warning due to a changed function name x86: Remove a.out support x86/mm: Replace nodes_weight() with nodes_empty() where appropriate x86: Replace cpumask_weight() with cpumask_empty() where appropriate x86/pkeys: Remove __arch_set_user_pkey_access() declaration ... |
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Linus Torvalds
|
1de564b8c1 |
- Add a "make x86_debug.config" target which enables a bunch of useful
config debug options when trying to debug an issue - A gcc12 build warnings fix -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLfcsACgkQEsHwGGHe VUqfPQ/+JAQ1UxXFNWqr0LEYwo58d5p4QSGrHrNfzOtoxQfuK6aYnpOicKcjmKyo HZAujMzlby8nworbNDo/wGBBFqCsJ8pj9v30BdClbGT671wN25y9WmK367RLtRam dk+nOpTvIWbydDXP6tuOdqPpFdT+XPljVxLuO215kOAZmQtqmQ2cOrVprbn/OMoo qqFZXjpazpoQButHBh8sI2nl5Y06JCZX5S5FRFTH+tfzfcEKXcbO2yOksU+L7oUc TyfJmtytT1O/uschAH0lNExIBQKUUtnXzzLNRE+ix9k9RTFQAOKNPrFTWqeJPEZe ZLuXZgBjdLO6IEgtaKFlpQml3uM5DSr3A6nBg9h+6xbwL1+GujoY3nblqD8W59wK GUjUmKC2xRXSLEpRGCVnDmYIOIzYWlw04DSNNApij8/H2mzm/noCAQmEgfy7dh6n N4duLyliqWl0bZQlhou19Hw9yGNqphVMRWCYRsEt+NQVqmpcOvM4A9r9RlaJoGaA bgk4sUCmO2bQ3PHfcv+833+GCCpobutYOsWQw7tborPsOh4p9GN/9IdxaCCqpChW ddXkKSTGezeUB+pe7Cixfkb5tHcQAVzCeHIFrsYho8gesiL/LXKJX8hQuo10cmVa qOSJAvlTBeW84+mK93kKfcig/iiyZfDkXEq0SJ8oeD1idNDaRUY= =oO1t -----END PGP SIGNATURE----- Merge tag 'x86_build_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 build updates from Borislav Petkov: - Add a "make x86_debug.config" target which enables a bunch of useful config debug options when trying to debug an issue - A gcc-12 build warnings fix * tag 'x86_build_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/boot: Wrap literal addresses in absolute_pointer() x86/configs: Add x86 debugging Kconfig fragment plus docs |
||
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Linus Torvalds
|
c5a3d3c01e |
- Remove a bunch of chicken bit options to turn off CPU features which
are not really needed anymore - Misc fixes and cleanups -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLdfgACgkQEsHwGGHe VUpB5Q//TIGVgmnSd0YYxY2cIe047lfcd34D+3oEGk0d2FidtirP/tjgBqIXRuY5 UncoveqBuI/6/7bodP/ANg9DNVXv2489eFYyZtEOLSGnfzV2AU10aw95cuQQG+BW YIc6bGSsgfiNo8Vtj4L3xkVqxOrqaCYnh74GTSNNANht3i8KH8Qq9n3qZTuMiF6R fH9xWak3TZB2nMzHdYrXh0sSR6eBHN3KYSiT0DsdlU9PUlavlSPFYQRiAlr6FL6J BuYQdlUaCQbINvaviGW4SG7fhX32RfF/GUNaBajB40TO6H98KZLpBBvstWQ841xd /o44o5wbghoGP1ne8OKwP+SaAV2bE6twd5eO1lpwcpXnQfATvjQ2imxvOiRhy5LY pFPt/hko9gKWJ6SI0SQ4tiKJALFPLWD6561scHU6PoriFhv0SRIaPmJyEsDYynMz bCXaPPsoovRwwwBfAxxQjljIlhQSBVt3gWZ8NWD1tYbNaqM+WK7xKBaONGh3OCw3 iK7lsbbljtM0zmANImYyeo7+Hr1NVOmMiK2WZYbxhxgzH3l8v/6EbDt3I70WU57V 9apCU3/nk/HFpX65SdW5qmuiWLVdH9NXrEqbvaUB4ApT18MdUUugewBhcGnf3Umu wEtltzziqcIkxzDoXXpBGWpX31S7PsM2XVDqYC7dwuNttgEw2Fc= =7AUX -----END PGP SIGNATURE----- Merge tag 'x86_cpu_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 CPU feature updates from Borislav Petkov: - Remove a bunch of chicken bit options to turn off CPU features which are not really needed anymore - Misc fixes and cleanups * tag 'x86_cpu_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/speculation: Add missing prototype for unpriv_ebpf_notify() x86/pm: Fix false positive kmemleak report in msr_build_context() x86/speculation/srbds: Do not try to turn mitigation off when not supported x86/cpu: Remove "noclflush" x86/cpu: Remove "noexec" x86/cpu: Remove "nosmep" x86/cpu: Remove CONFIG_X86_SMAP and "nosmap" x86/cpu: Remove "nosep" x86/cpu: Allow feature bit names from /proc/cpuinfo in clearcpuid= |
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Linus Torvalds
|
3a755ebcc2 |
Intel Trust Domain Extensions
This is the Intel version of a confidential computing solution called Trust Domain Extensions (TDX). This series adds support to run the kernel as part of a TDX guest. It provides similar guest protections to AMD's SEV-SNP like guest memory and register state encryption, memory integrity protection and a lot more. Design-wise, it differs from AMD's solution considerably: it uses a software module which runs in a special CPU mode called (Secure Arbitration Mode) SEAM. As the name suggests, this module serves as sort of an arbiter which the confidential guest calls for services it needs during its lifetime. Just like AMD's SNP set, this series reworks and streamlines certain parts of x86 arch code so that this feature can be properly accomodated. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLbisACgkQEsHwGGHe VUqZLg/7B55iygCwzz0W/KLcXL2cISatUpzGbFs1XTbE9DMz06BPkOsEjF2k8ckv kfZjgqhSx3GvUI80gK0Tn2M2DfIj3nKuNSXd1pfextP7AxEf68FFJsQz1Ju7bHpT pZaG+g8IK4+mnEHEKTCO9ANg/Zw8yqJLdtsCaCNE9SUGUfQ6m/ujTEfsambXDHNm khyCAgpIGSOt51/4apoR9ebyrNCaeVbDawpIPjTy+iyFRc/WyaLFV9CQ8klw4gbw r/90x2JYxvAf0/z/ifT9Wa+TnYiQ0d4VjFbfr0iJ4GcPn5L3EIoIKPE8vPGMpoSX fLSzoNmAOT3ja57ytUUQ3o0edoRUIPEdixOebf9qWvE/aj7W37YRzrlJ8Ej/x9Jy HcI4WZF6Dr1bh6FnI/xX2eVZRzLOL4j9gNyPCwIbvgr1NjDqQnxU7nhxVMmQhJrs IdiEcP5WYerLKfka/uF//QfWUg5mDBgFa1/3xK57Z3j0iKWmgjaPpR0SWlOKjj8G tr0gGN9ejikZTqXKGsHn8fv/R3bjXvbVD8z0IEcx+MIrRmZPnX2QBlg7UA1AXV5n HoVwPFdH1QAtjZq1MRcL4hTOjz3FkS68rg7ZH0f2GWJAzWmEGytBIhECRnN/PFFq VwRB4dCCt0bzqRxkiH5lzdgR+xqRe61juQQsMzg+Flv/trpXDqM= =ac9K -----END PGP SIGNATURE----- Merge tag 'x86_tdx_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull Intel TDX support from Borislav Petkov: "Intel Trust Domain Extensions (TDX) support. This is the Intel version of a confidential computing solution called Trust Domain Extensions (TDX). This series adds support to run the kernel as part of a TDX guest. It provides similar guest protections to AMD's SEV-SNP like guest memory and register state encryption, memory integrity protection and a lot more. Design-wise, it differs from AMD's solution considerably: it uses a software module which runs in a special CPU mode called (Secure Arbitration Mode) SEAM. As the name suggests, this module serves as sort of an arbiter which the confidential guest calls for services it needs during its lifetime. Just like AMD's SNP set, this series reworks and streamlines certain parts of x86 arch code so that this feature can be properly accomodated" * tag 'x86_tdx_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (34 commits) x86/tdx: Fix RETs in TDX asm x86/tdx: Annotate a noreturn function x86/mm: Fix spacing within memory encryption features message x86/kaslr: Fix build warning in KASLR code in boot stub Documentation/x86: Document TDX kernel architecture ACPICA: Avoid cache flush inside virtual machines x86/tdx/ioapic: Add shared bit for IOAPIC base address x86/mm: Make DMA memory shared for TD guest x86/mm/cpa: Add support for TDX shared memory x86/tdx: Make pages shared in ioremap() x86/topology: Disable CPU online/offline control for TDX guests x86/boot: Avoid #VE during boot for TDX platforms x86/boot: Set CR0.NE early and keep it set during the boot x86/acpi/x86/boot: Add multiprocessor wake-up support x86/boot: Add a trampoline for booting APs via firmware handoff x86/tdx: Wire up KVM hypercalls x86/tdx: Port I/O: Add early boot support x86/tdx: Port I/O: Add runtime hypercalls x86/boot: Port I/O: Add decompression-time support for TDX x86/boot: Port I/O: Allow to hook up alternative helpers ... |
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|
Linus Torvalds
|
eb39e37d5c |
AMD SEV-SNP support
Add to confidential guests the necessary memory integrity protection against malicious hypervisor-based attacks like data replay, memory remapping and others, thus achieving a stronger isolation from the hypervisor. At the core of the functionality is a new structure called a reverse map table (RMP) with which the guest has a say in which pages get assigned to it and gets notified when a page which it owns, gets accessed/modified under the covers so that the guest can take an appropriate action. In addition, add support for the whole machinery needed to launch a SNP guest, details of which is properly explained in each patch. And last but not least, the series refactors and improves parts of the previous SEV support so that the new code is accomodated properly and not just bolted on. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLU2AACgkQEsHwGGHe VUpb/Q//f4LGiJf4nw1flzpe90uIsHNwAafng3NOjeXmhI/EcOlqPf23WHPCgg3Z 2umfa4sRZyj4aZubDd7tYAoq4qWrQ7pO7viWCNTh0InxBAILOoMPMuq2jSAbq0zV ASUJXeQ2bqjYxX4JV4N5f3HT2l+k68M0mpGLN0H+O+LV9pFS7dz7Jnsg+gW4ZP25 PMPLf6FNzO/1tU1aoYu80YDP1ne4eReLrNzA7Y/rx+S2NAetNwPn21AALVgoD4Nu vFdKh4MHgtVbwaQuh0csb/+4vD+tDXAhc8lbIl+Abl9ZxJaDWtAJW5D9e2CnsHk1 NOkHwnrzizzhtGK1g56YPUVRFAWhZYMOI1hR0zGPLQaVqBnN4b+iahPeRiV0XnGE PSbIHSfJdeiCkvLMCdIAmpE5mRshhRSUfl1CXTCdetMn8xV/qz/vG6bXssf8yhTV cfLGPHU7gfVmsbR9nk5a8KZ78PaytxOxfIDXvCy8JfQwlIWtieaCcjncrj+sdMJy 0fdOuwvi4jma0cyYuPolKiS1Hn4ldeibvxXT7CZQlIx6jZShMbpfpTTJs11XdtHm PdDAc1TY3AqI33mpy9DhDQmx/+EhOGxY3HNLT7evRhv4CfdQeK3cPVUWgo4bGNVv ZnFz7nvmwpyufltW9K8mhEZV267174jXGl6/idxybnlVE7ESr2Y= =Y8kW -----END PGP SIGNATURE----- Merge tag 'x86_sev_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull AMD SEV-SNP support from Borislav Petkov: "The third AMD confidential computing feature called Secure Nested Paging. Add to confidential guests the necessary memory integrity protection against malicious hypervisor-based attacks like data replay, memory remapping and others, thus achieving a stronger isolation from the hypervisor. At the core of the functionality is a new structure called a reverse map table (RMP) with which the guest has a say in which pages get assigned to it and gets notified when a page which it owns, gets accessed/modified under the covers so that the guest can take an appropriate action. In addition, add support for the whole machinery needed to launch a SNP guest, details of which is properly explained in each patch. And last but not least, the series refactors and improves parts of the previous SEV support so that the new code is accomodated properly and not just bolted on" * tag 'x86_sev_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (60 commits) x86/entry: Fixup objtool/ibt validation x86/sev: Mark the code returning to user space as syscall gap x86/sev: Annotate stack change in the #VC handler x86/sev: Remove duplicated assignment to variable info x86/sev: Fix address space sparse warning x86/sev: Get the AP jump table address from secrets page x86/sev: Add missing __init annotations to SEV init routines virt: sevguest: Rename the sevguest dir and files to sev-guest virt: sevguest: Change driver name to reflect generic SEV support x86/boot: Put globals that are accessed early into the .data section x86/boot: Add an efi.h header for the decompressor virt: sevguest: Fix bool function returning negative value virt: sevguest: Fix return value check in alloc_shared_pages() x86/sev-es: Replace open-coded hlt-loop with sev_es_terminate() virt: sevguest: Add documentation for SEV-SNP CPUID Enforcement virt: sevguest: Add support to get extended report virt: sevguest: Add support to derive key virt: Add SEV-SNP guest driver x86/sev: Register SEV-SNP guest request platform device x86/sev: Provide support for SNP guest request NAEs ... |
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|
Linus Torvalds
|
0be3ff0ccb |
- Switch ghes_edac to use the CPER error reporting routines and simplify
the code considerably this way - Rip out the silly edac_align_ptr() contraption which was computing the size of the private structures of each driver and thus allowing for a one-shot memory allocation. This was clearly unnecessary and confusing so switch to simple and boring kmalloc* calls. - Last but not least, the usual garden variety of fixes, cleanups and improvements all over EDAC land -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLRJkACgkQEsHwGGHe VUorYQ//a3s/j1wIXB5J0q7c9xlumqhxJz9P2A42kZMEW6MR94Ovr2lDnN6FRN5z dlLLn/fxjh3El084jaKrfhHHyB0Z78Qte/Caf4E3HVuhmZ2dQw58vXAm3TNMsiPz DEnJrRJ/vuX/VEcuuvX9wwSovPqNINW4lb9cWcIfGPToX051coUvuxTQXmCO80Hd 2syv88S0a8tw94E6DeB+5hhAQdgdV2dK3rZChTNi1guDqHqv14E6oQowWe6+Dvq/ XGBbJtmjuWsh2ZtS1KDnGYO0jvzLxe/5kjdgXYUoftG30MVTkVV0pBk0G+lPQQBN 2nSLd9zEgSceB5SlNlfWtQQuL1I56q3chxT7mj5JBPRsqQmV6Rxg9E0jnyiUH6Cf Q9btDizjU7vUpDKe1Y8fJEMR3nXTIK58AnjcDmTZIu5hVZFY2nYnql0txClmkTUE Bffud97C7a8uiSECp6oS5vjQHK12xwqiD8KRIaAHlBDYnpqTOJw/mDoKUvV74yiJ TRvvPAiPgoA5ZLLkCFKxA7IzFXtgz9HL7m/MbbBo63ed187qvMyBxcyb8Teih/iy u6eK0W1fux+zEaS6q5Jp0v415aqVvoa0UHgImTlOJhBaWENlEQixHslFMaqnlDTV yhG405KxxMgW9/L9nI4kqP827zIr4iXJCVg3rJsOdytEzfwWy2o= =Hwmn -----END PGP SIGNATURE----- Merge tag 'edac_updates_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras Pull EDAC updates from Borislav Petkov: - Switch ghes_edac to use the CPER error reporting routines and simplify the code considerably this way - Rip out the silly edac_align_ptr() contraption which was computing the size of the private structures of each driver and thus allowing for a one-shot memory allocation. This was clearly unnecessary and confusing so switch to simple and boring kmalloc* calls. - Last but not least, the usual garden variety of fixes, cleanups and improvements all over EDAC land * tag 'edac_updates_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: EDAC/xgene: Fix typo processsors -> processors EDAC/i5100: Remove unused inline function i5100_nrecmema_dm_buf_id() EDAC: Use kcalloc() EDAC/ghes: Change ghes_hw from global to static EDAC/armada_xp: Use devm_platform_ioremap_resource() EDAC/synopsys: Add a SPDX identifier EDAC/synopsys: Add driver support for i.MX platforms EDAC/dmc520: Don't print an error for each unconfigured interrupt line EDAC/mc: Get rid of edac_align_ptr() EDAC/device: Sanitize edac_device_alloc_ctl_info() definition EDAC/device: Get rid of the silly one-shot memory allocation in edac_device_alloc_ctl_info() EDAC/pci: Get rid of the silly one-shot memory allocation in edac_pci_alloc_ctl_info() EDAC/mc: Get rid of silly one-shot struct allocation in edac_mc_alloc() efi/cper: Reformat CPER memory error location to more readable EDAC/ghes: Unify CPER memory error location reporting efi/cper: Add a cper_mem_err_status_str() to decode error description powerpc/85xx: Remove fsl,85... bindings |
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Linus Torvalds
|
6e01f86fb2 |
Updates for timers and timekeeping core code:
- Expose CLOCK_TAI to instrumentation to aid with TSN debugging.
- Ensure that the clockevent is stopped when there is no timer armed to
avoid pointless wakeups.
- Make the sched clock frequency handling and rounding consistent.
- Provide a better debugobject hint for delayed works. The timer callback
is always the same, which makes it difficult to identify the underlying
work. Use the work function as a hint instead.
- Move the timer specific sysctl code into the timer subsystem.
- The usual set of improvements and cleanups
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Merge tag 'timers-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer and timekeeping updates from Thomas Gleixner:
- Expose CLOCK_TAI to instrumentation to aid with TSN debugging.
- Ensure that the clockevent is stopped when there is no timer armed to
avoid pointless wakeups.
- Make the sched clock frequency handling and rounding consistent.
- Provide a better debugobject hint for delayed works. The timer
callback is always the same, which makes it difficult to identify the
underlying work. Use the work function as a hint instead.
- Move the timer specific sysctl code into the timer subsystem.
- The usual set of improvements and cleanups
* tag 'timers-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timers: Provide a better debugobjects hint for delayed works
time/sched_clock: Fix formatting of frequency reporting code
time/sched_clock: Use Hz as the unit for clock rate reporting below 4kHz
time/sched_clock: Round the frequency reported to nearest rather than down
timekeeping: Consolidate fast timekeeper
timekeeping: Annotate ktime_get_boot_fast_ns() with data_race()
timers/nohz: Switch to ONESHOT_STOPPED in the low-res handler when the tick is stopped
timekeeping: Introduce fast accessor to clock tai
tracing/timer: Add missing argument documentation of trace points
clocksource: Replace cpumask_weight() with cpumask_empty()
timers: Move timer sysctl into the timer code
clockevents: Use dedicated list iterator variable
timers: Simplify calc_index()
timers: Initialize base::next_expiry_recalc in timers_prepare_cpu()
|
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|
Linus Torvalds
|
fcfde8a7cf |
Updates for interrupt core and drivers:
Core code:
- Make the managed interrupts more robust by shutting them down in the
core code when the assigned affinity mask does not contain online
CPUs.
- Make the irq simulator chip work on RT
- A small set of cpumask and power manageent cleanups
Drivers:
- A set of changes which mark GPIO interrupt chips immutable to prevent
the GPIO subsystem from modifying it under the hood. This provides
the necessary infrastructure and converts a set of GPIO and pinctrl
drivers over.
- A set of changes to make the pseudo-NMI handling for GICv3 more
robust: a missing barrier and consistent handling of the priority
mask.
- Another set of GICv3 improvements and fixes, but nothing outstanding
- The usual set of improvements and cleanups all over the place
- No new irqchip drivers and not even a new device tree binding!
100+ interrupt chips are truly enough.
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Merge tag 'irq-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull interrupt handling updates from Thomas Gleixner:
"Core code:
- Make the managed interrupts more robust by shutting them down in
the core code when the assigned affinity mask does not contain
online CPUs.
- Make the irq simulator chip work on RT
- A small set of cpumask and power manageent cleanups
Drivers:
- A set of changes which mark GPIO interrupt chips immutable to
prevent the GPIO subsystem from modifying it under the hood. This
provides the necessary infrastructure and converts a set of GPIO
and pinctrl drivers over.
- A set of changes to make the pseudo-NMI handling for GICv3 more
robust: a missing barrier and consistent handling of the priority
mask.
- Another set of GICv3 improvements and fixes, but nothing
outstanding
- The usual set of improvements and cleanups all over the place
- No new irqchip drivers and not even a new device tree binding!
100+ interrupt chips are truly enough"
* tag 'irq-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (39 commits)
irqchip: Add Kconfig symbols for sunxi drivers
irqchip/gic-v3: Fix priority mask handling
irqchip/gic-v3: Refactor ISB + EOIR at ack time
irqchip/gic-v3: Ensure pseudo-NMIs have an ISB between ack and handling
genirq/irq_sim: Make the irq_work always run in hard irq context
irqchip/armada-370-xp: Do not touch Performance Counter Overflow on A375, A38x, A39x
irqchip/gic: Improved warning about incorrect type
irqchip/csky: Return true/false (not 1/0) from bool functions
irqchip/imx-irqsteer: Add runtime PM support
irqchip/imx-irqsteer: Constify irq_chip struct
irqchip/armada-370-xp: Enable MSI affinity configuration
irqchip/aspeed-scu-ic: Fix irq_of_parse_and_map() return value
irqchip/aspeed-i2c-ic: Fix irq_of_parse_and_map() return value
irqchip/sun6i-r: Use NULL for chip_data
irqchip/xtensa-mx: Fix initial IRQ affinity in non-SMP setup
irqchip/exiu: Fix acknowledgment of edge triggered interrupts
irqchip/gic-v3: Claim iomem resources
dt-bindings: interrupt-controller: arm,gic-v3: Make the v2 compat requirements explicit
irqchip/gic-v3: Relax polling of GIC{R,D}_CTLR.RWP
irqchip/gic-v3: Detect LPI invalidation MMIO registers
...
|
||
|
Linus Torvalds
|
140e40e39a |
zonefs changes for 5.19-rc1
This set of patches improve zonefs open sequential file accounting and adds accounting for active sequential files to allow the user to handle the maximum number of active zones of an NVMe ZNS drive. sysfs attributes for both open and active sequential files are also added to facilitate access to this information from applications without resorting to inspecting the block device limits. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQSRPv8tYSvhwAzJdzjdoc3SxdoYdgUCYosTQQAKCRDdoc3SxdoY dqUWAQDGKoSkyRAPJAmuQXYOuOJTLu0b8DSfvyPopFLfKXpPHAEAg995JNTLUs0G R3m7lH6GK+OSBWhZ/Z5HOND3QS9BhgM= =hvqx -----END PGP SIGNATURE----- Merge tag 'zonefs-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs Pull zonefs updates from Damien Le Moal: "This improves zonefs open sequential file accounting and adds accounting for active sequential files to allow the user to handle the maximum number of active zones of an NVMe ZNS drive. sysfs attributes for both open and active sequential files are also added to facilitate access to this information from applications without resorting to inspecting the block device limits" * tag 'zonefs-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs: documentation: zonefs: Document sysfs attributes documentation: zonefs: Cleanup the mount options section zonefs: Add active seq file accounting zonefs: Export open zone resource information through sysfs zonefs: Always do seq file write open accounting zonefs: Rename super block information fields zonefs: Fix management of open zones zonefs: Clear inode information flags on inode creation |
||
|
Linus Torvalds
|
8a32f81a89 |
ata changes for 5.19-rc1
For this cycle, the libata.force kernel parameter changes stand out.
Beside that, some small cleanups in various drivers. In more details:
* Changes to the pata_mpc52xx driver in preparation for powerpc's
asm/prom.h cleanup, from Christophe.
* Improved ATA command allocation, from John.
* Various small cleanups to the pata_via, pata_sil680, pata_ftide010,
sata_gemini, ahci_brcm drivers and to libata-core, from Sergey, Diego,
Ruyi, Mighao and Jiabing.
* Add support for the RZ/G2H SoC to the rcar-sata driver, from Lad.
* AHCI RAID ID cleanup, from Dan.
* Improvement to the libata.force kernel parameter to allow most horkage
flags to be manually forced for debugging drive issues in the field
without needing recompiling a kernel, from me.
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Merge tag 'ata-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata updates from Damien Le Moal:
"For this cycle, the libata.force kernel parameter changes stand out.
Beside that, some small cleanups in various drivers. In more detail:
- Changes to the pata_mpc52xx driver in preparation for powerpc's
asm/prom.h cleanup, from Christophe.
- Improved ATA command allocation, from John.
- Various small cleanups to the pata_via, pata_sil680, pata_ftide010,
sata_gemini, ahci_brcm drivers and to libata-core, from Sergey,
Diego, Ruyi, Mighao and Jiabing.
- Add support for the RZ/G2H SoC to the rcar-sata driver, from Lad.
- AHCI RAID ID cleanup, from Dan.
- Improvement to the libata.force kernel parameter to allow most
horkage flags to be manually forced for debugging drive issues in
the field without needing recompiling a kernel, from me"
* tag 'ata-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: pata_ftide010: Remove unneeded ERROR check before clk_disable_unprepare
doc: admin-guide: Update libata kernel parameters
ata: libata-core: Allow forcing most horkage flags
ata: libata-core: Improve link flags forced settings
ata: libata-core: Refactor force_tbl definition
ata: libata-core: cleanup ata_device_blacklist
ata: simplify the return expression of brcm_ahci_remove
ata: Make use of the helper function devm_platform_ioremap_resource()
ata: libata-core: replace "its" with "it is"
ahci: Add a generic 'controller2' RAID id
dt-bindings: ata: renesas,rcar-sata: Add r8a774e1 support
ata: pata_via: fix sloppy typing in via_do_set_mode()
ata: pata_sil680: fix result type of sil680_sel{dev|reg}()
ata: libata-core: fix parameter type in ata_xfer_mode2shift()
libata: Improve ATA queued command allocation
ata: pata_mpc52xx: Prepare cleanup of powerpc's asm/prom.h
|
||
|
Linus Torvalds
|
f6792c877a |
for-5.19/cdrom-2022-05-22
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||
|
Linus Torvalds
|
1e57930e9f |
RCU pull request for v5.19
This pull request contains the following branches: docs.2022.04.20a: Documentation updates. fixes.2022.04.20a: Miscellaneous fixes. nocb.2022.04.11b: Callback-offloading updates, mainly simplifications. rcu-tasks.2022.04.11b: RCU-tasks updates, including some -rt fixups, handling of systems with sparse CPU numbering, and a fix for a boot-time race-condition failure. srcu.2022.05.03a: Put SRCU on a memory diet in order to reduce the size of the srcu_struct structure. torture.2022.04.11b: Torture-test updates fixing some bugs in tests and closing some testing holes. torture-tasks.2022.04.20a: Torture-test updates for the RCU tasks flavors, most notably ensuring that building rcutorture and friends does not change the RCU-tasks-related Kconfig options. torturescript.2022.04.20a: Torture-test scripting updates. exp.2022.05.11a: Expedited grace-period updates, most notably providing milliseconds-scale (not all that) soft real-time response from synchronize_rcu_expedited(). This is also the first time in almost 30 years of RCU that someone other than me has pushed for a reduction in the RCU CPU stall-warning timeout, in this case by more than three orders of magnitude from 21 seconds to 20 milliseconds. This tighter timeout applies only to expedited grace periods. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmKG2zcTHHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jGXgD/90xtRtZyN0umlN/IOBBn8fIOM+BAMu 5k3ef6wLsXKXlLO13WTjSitypX9LEFwytTeVhEyN4ODeX0cI9mUmts6Z8/6sV92D fN8vqTavveE7m5YfFfLRvDRfVHpB0LpLMM+V0qWPu/F8dWPDKA0225rX9IC7iICP LkxCuNVNzJ0cLaVTvsUWlxMdHcogydXZb1gPDVRhnR6iVFWCBtL4RRpU41CoSNh4 fWRSLQak6OhZRFE7hVoLQhZyLE0GIw1fuUJgj2fCllhgGogDx78FQ8jHdDzMEhVk cD4Yel5vUPiy2AKphGfi28bKFYcyhVBnD/Jq733VJV0/szyddxNbz0xKpEA0/8qh w1T7IjBN6MAKHSh0uUitm6U24VN13m4r30HrUQSpp71VFZkUD4QS6TismKsaRNjR lK4q2QKBprBb3Hv7KPAGYT1Us3aS7qLPrgPf3gzSxL1aY5QV0A5UpPP6RKTLbWPl CEQxEno6g5LTHwKd5QD74dG8ccphg9377lDMJpeesYShBqlLNrNWCxqJoZk2HnSf f2dTQeQWrtRJjeTGy/4cfONCGZTghE0Pch43XMzLLt3ZTuDc8FVM0t3Xs9J5Kg22 zmThQh6LRXTGjrb1vLiOrjPf5JaTnX2Sz8OUJTo/ZxwcixxP/mj8Ja+W81NjfqnK LLZ1D6UN4a8n9A== =4spH -----END PGP SIGNATURE----- Merge tag 'rcu.2022.05.19a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull RCU update from Paul McKenney: - Documentation updates - Miscellaneous fixes - Callback-offloading updates, mainly simplifications - RCU-tasks updates, including some -rt fixups, handling of systems with sparse CPU numbering, and a fix for a boot-time race-condition failure - Put SRCU on a memory diet in order to reduce the size of the srcu_struct structure - Torture-test updates fixing some bugs in tests and closing some testing holes - Torture-test updates for the RCU tasks flavors, most notably ensuring that building rcutorture and friends does not change the RCU-tasks-related Kconfig options - Torture-test scripting updates - Expedited grace-period updates, most notably providing milliseconds-scale (not all that) soft real-time response from synchronize_rcu_expedited(). This is also the first time in almost 30 years of RCU that someone other than me has pushed for a reduction in the RCU CPU stall-warning timeout, in this case by more than three orders of magnitude from 21 seconds to 20 milliseconds. This tighter timeout applies only to expedited grace periods * tag 'rcu.2022.05.19a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (80 commits) rcu: Move expedited grace period (GP) work to RT kthread_worker rcu: Introduce CONFIG_RCU_EXP_CPU_STALL_TIMEOUT srcu: Drop needless initialization of sdp in srcu_gp_start() srcu: Prevent expedited GPs and blocking readers from consuming CPU srcu: Add contention check to call_srcu() srcu_data ->lock acquisition srcu: Automatically determine size-transition strategy at boot rcutorture: Make torture.sh allow for --kasan rcutorture: Make torture.sh refscale and rcuscale specify Tasks Trace RCU rcutorture: Make kvm.sh allow more memory for --kasan runs torture: Save "make allmodconfig" .config file scftorture: Remove extraneous "scf" from per_version_boot_params rcutorture: Adjust scenarios' Kconfig options for CONFIG_PREEMPT_DYNAMIC torture: Enable CSD-lock stall reports for scftorture torture: Skip vmlinux check for kvm-again.sh runs scftorture: Adjust for TASKS_RCU Kconfig option being selected rcuscale: Allow rcuscale without RCU Tasks Rude/Trace rcuscale: Allow rcuscale without RCU Tasks refscale: Allow refscale without RCU Tasks Rude/Trace refscale: Allow refscale without RCU Tasks rcutorture: Allow specifying per-scenario stat_interval ... |
||
|
Rafael J. Wysocki
|
388292df27 | Merge back earlier thermal control updates for 5.19-rc1. | ||
|
Linus Torvalds
|
bf2431021c |
EFI updates for v5.19
- Allow runtime services to be re-enabled at boot on RT kernels. - Provide access to secrets injected into the boot image by CoCo hypervisors (COnfidential COmputing) - Use DXE services on x86 to make the boot image executable after relocation, if needed. - Prefer mirrored memory for randomized allocations. - Only randomize the placement of the kernel image on arm64 if the loader has not already done so. - Add support for obtaining the boot hartid from EFI on RISC-V. -----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE+9lifEBpyUIVN1cpw08iOZLZjyQFAmKHRF4ACgkQw08iOZLZ jyTAlQv9GSctgp3ItPEG7/dF90f2u/ezaqiyLt1ug3cnOrzZL6cbaQPJt/XtxeMY XA4eO8aNrMyioClKu2+KEqQgIiNc30HgwOWMxfZpWBWLVlrx5PhvTbwJB6Wfb8r3 WFze5lc6X2Yttp3jxUU9jLUTPVTJx8SjyhGwBXbzN63aiGv8+bGjD5e4pPg1axP/ HvUwVpRzK5uU0ju1IM7BPvIjjAOiciwC+KbLjj8Hm++LIbwju7QHlJWy9oMKD1X5 yuZsIan2dTM+4OclTji7HlSg6c4IFlhMj7GHGJD62aWNyM0/tZokOCIVY1wITXyS KRsxag4gjtkVBRNvAHsRsYe3aZ+jQ5DzhGEGTipNGnj3b8FOecuWFSn5a/aMdNkV kMSOAbdjZu8xGllroFWS199BamCb6SHijnbv8EzeWNgJXofwxn8vumdgxXZuHIe9 md1gP2QIuo3/R15zcgy54buB11JD4PeDV7NuovuTQUzFuvsIyIKbEkLMBwEl3j4N TIlijEyI =xqxQ -----END PGP SIGNATURE----- Merge tag 'efi-next-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi Pull EFI updates from Ard Biesheuvel: - Allow runtime services to be re-enabled at boot on RT kernels. - Provide access to secrets injected into the boot image by CoCo hypervisors (COnfidential COmputing) - Use DXE services on x86 to make the boot image executable after relocation, if needed. - Prefer mirrored memory for randomized allocations. - Only randomize the placement of the kernel image on arm64 if the loader has not already done so. - Add support for obtaining the boot hartid from EFI on RISC-V. * tag 'efi-next-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: riscv/efi_stub: Add support for RISCV_EFI_BOOT_PROTOCOL efi: stub: prefer mirrored memory for randomized allocations efi/arm64: libstub: run image in place if randomized by the loader efi: libstub: pass image handle to handle_kernel_image() efi: x86: Set the NX-compatibility flag in the PE header efi: libstub: ensure allocated memory to be executable efi: libstub: declare DXE services table efi: Add missing prototype for efi_capsule_setup_info docs: security: Add secrets/coco documentation efi: Register efi_secret platform device if EFI secret area is declared virt: Add efi_secret module to expose confidential computing secrets efi: Save location of EFI confidential computing area efi: Allow to enable EFI runtime services by default on RT |
||
|
Rafael J. Wysocki
|
16a23f394d |
Merge branches 'pm-em' and 'pm-cpuidle'
Marge Energy Model support updates and cpuidle updates for 5.19-rc1: - Update the Energy Model support code to allow the Energy Model to be artificial, which means that the power values may not be on a uniform scale with other devices providing power information, and update the cpufreq_cooling and devfreq_cooling thermal drivers to support artificial Energy Models (Lukasz Luba). - Make DTPM check the Energy Model type (Lukasz Luba). - Fix policy counter decrementation in cpufreq if Energy Model is in use (Pierre Gondois). - Add AlderLake processor support to the intel_idle driver (Zhang Rui). - Fix regression leading to no genpd governor in the PSCI cpuidle driver and fix the riscv-sbi cpuidle driver to allow a genpd governor to be used (Ulf Hansson). * pm-em: PM: EM: Decrement policy counter powercap: DTPM: Check for Energy Model type thermal: cooling: Check Energy Model type in cpufreq_cooling and devfreq_cooling Documentation: EM: Add artificial EM registration description PM: EM: Remove old debugfs files and print all 'flags' PM: EM: Change the order of arguments in the .active_power() callback PM: EM: Use the new .get_cost() callback while registering EM PM: EM: Add artificial EM flag PM: EM: Add .get_cost() callback * pm-cpuidle: cpuidle: riscv-sbi: Fix code to allow a genpd governor to be used cpuidle: psci: Fix regression leading to no genpd governor intel_idle: Add AlderLake support |
||
|
Rafael J. Wysocki
|
5db9ce2095 |
Merge branches 'acpi-apei', 'acpi-dptf', 'acpi-x86' and 'acpi-docs'
Merge APEI material, changes related to DPTF, ACPI-related x86 cleanup and documentation improvement for 5.19-rc1: - Fix missing ERST record ID in the APEI code (Liu Xinpeng). - Make APEI error injection to refuse to inject into the zero page (Tony Luck). - Correct description of INT3407 / INT3532 DPTF attributes in sysfs (Sumeet Pawnikar). - Add support for high frequency impedance notification to the DPTF driver (Sumeet Pawnikar). - Make mp_config_acpi_gsi() a void function (Li kunyu). - Unify Package () representation for properties in the ACPI device properties documentation (Andy Shevchenko). * acpi-apei: ACPI, APEI, EINJ: Refuse to inject into the zero page ACPI: APEI: Fix missing ERST record id * acpi-dptf: ACPI: DPTF: Add support for high frequency impedance notification ACPI: DPTF: Correct description of INT3407 / INT3532 attributes * acpi-x86: x86: ACPI: Make mp_config_acpi_gsi() a void function * acpi-docs: ACPI: docs: enumeration: Unify Package () for properties (part 2) |
||
|
Ahmad Fatoum
|
5002426e42 |
doc: trusted-encrypted: describe new CAAM trust source
Update documentation for trusted key use with the Cryptographic Acceleration and Assurance Module (CAAM), an IP on NXP SoCs. Reviewed-by: Pankaj Gupta <pankaj.gupta@nxp.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org> |
||
|
Ahmad Fatoum
|
e9c5048c2d |
KEYS: trusted: Introduce support for NXP CAAM-based trusted keys
The Cryptographic Acceleration and Assurance Module (CAAM) is an IP core built into many newer i.MX and QorIQ SoCs by NXP. The CAAM does crypto acceleration, hardware number generation and has a blob mechanism for encapsulation/decapsulation of sensitive material. This blob mechanism depends on a device specific random 256-bit One Time Programmable Master Key that is fused in each SoC at manufacturing time. This key is unreadable and can only be used by the CAAM for AES encryption/decryption of user data. This makes it a suitable backend (source) for kernel trusted keys. Previous commits generalized trusted keys to support multiple backends and added an API to access the CAAM blob mechanism. Based on these, provide the necessary glue to use the CAAM for trusted keys. Reviewed-by: David Gstir <david@sigma-star.at> Reviewed-by: Pankaj Gupta <pankaj.gupta@nxp.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Tested-by: Tim Harvey <tharvey@gateworks.com> Tested-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com> Tested-by: Pankaj Gupta <pankaj.gupta@nxp.com> Tested-by: Michael Walle <michael@walle.cc> # on ls1028a (non-E and E) Tested-by: John Ernberg <john.ernberg@actia.se> # iMX8QXP Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org> |
||
|
Ahmad Fatoum
|
fcd7c26901 |
KEYS: trusted: allow use of kernel RNG for key material
The two existing trusted key sources don't make use of the kernel RNG, but instead let the hardware doing the sealing/unsealing also generate the random key material. However, both users and future backends may want to place less trust into the quality of the trust source's random number generator and instead reuse the kernel entropy pool, which can be seeded from multiple entropy sources. Make this possible by adding a new trusted.rng parameter, that will force use of the kernel RNG. In its absence, it's up to the trust source to decide, which random numbers to use, maintaining the existing behavior. Suggested-by: Jarkko Sakkinen <jarkko@kernel.org> Acked-by: Sumit Garg <sumit.garg@linaro.org> Acked-by: Pankaj Gupta <pankaj.gupta@nxp.com> Reviewed-by: David Gstir <david@sigma-star.at> Reviewed-by: Pankaj Gupta <pankaj.gupta@nxp.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Tested-by: Pankaj Gupta <pankaj.gupta@nxp.com> Tested-by: Michael Walle <michael@walle.cc> # on ls1028a (non-E and E) Tested-by: John Ernberg <john.ernberg@actia.se> # iMX8QXP Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org> |
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Mickaël Salaün
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5e469829ba
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landlock: Explain how to support Landlock
Let's help users by documenting how to enable and check for Landlock in the kernel and the running system. The userspace-api section may not be the best place for this but it still makes sense to put all the user documentation at the same place. Signed-off-by: Mickaël Salaün <mic@digikod.net> Link: https://lore.kernel.org/r/20220513112743.156414-1-mic@digikod.net Reviewed-by: Paul Moore <paul@paul-moore.com> |
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Mickaël Salaün
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9e0c76b9f1
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landlock: Add design choices documentation for filesystem access rights
Summarize the rationale of filesystem access rights according to the file type. Update the document date. Reviewed-by: Paul Moore <paul@paul-moore.com> Signed-off-by: Mickaël Salaün <mic@digikod.net> Link: https://lore.kernel.org/r/20220506161102.525323-13-mic@digikod.net |
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Mickaël Salaün
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09340cf413
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landlock: Document good practices about filesystem policies
Explain how to set access rights per hierarchy in an efficient and safe way, especially with the LANDLOCK_ACCESS_FS_REFER side effect (i.e. partial ordering and constraints for access rights per hierarchy). Reviewed-by: Paul Moore <paul@paul-moore.com> Signed-off-by: Mickaël Salaün <mic@digikod.net> Link: https://lore.kernel.org/r/20220506161102.525323-12-mic@digikod.net |
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Mickaël Salaün
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6f59abfae3
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landlock: Document LANDLOCK_ACCESS_FS_REFER and ABI versioning
Add LANDLOCK_ACCESS_FS_REFER in the example and properly check to only use it if the current kernel support it thanks to the Landlock ABI version. Move the file renaming and linking limitation to a new "Previous limitations" section. Improve documentation about the backward and forward compatibility, including the rational for ruleset's handled_access_fs. Update the document date. Reviewed-by: Paul Moore <paul@paul-moore.com> Signed-off-by: Mickaël Salaün <mic@digikod.net> Link: https://lore.kernel.org/r/20220506161102.525323-11-mic@digikod.net |
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Mickaël Salaün
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75c542d6c6
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landlock: Reduce the maximum number of layers to 16
The maximum number of nested Landlock domains is currently 64. Because of the following fix and to help reduce the stack size, let's reduce it to 16. This seems large enough for a lot of use cases (e.g. sandboxed init service, spawning a sandboxed SSH service, in nested sandboxed containers). Reducing the number of nested domains may also help to discover misuse of Landlock (e.g. creating a domain per rule). Add and use a dedicated layer_mask_t typedef to fit with the number of layers. This might be useful when changing it and to keep it consistent with the maximum number of layers. Reviewed-by: Paul Moore <paul@paul-moore.com> Link: https://lore.kernel.org/r/20220506161102.525323-3-mic@digikod.net Cc: stable@vger.kernel.org Signed-off-by: Mickaël Salaün <mic@digikod.net> |