Back in 2008 we extended the capability bits from 32 to 64, and we did
it by extending the single 32-bit capability word from one word to an
array of two words. It was then obfuscated by hiding the "2" behind two
macro expansions, with the reasoning being that maybe it gets extended
further some day.
That reasoning may have been valid at the time, but the last thing we
want to do is to extend the capability set any more. And the array of
values not only causes source code oddities (with loops to deal with
it), but also results in worse code generation. It's a lose-lose
situation.
So just change the 'u32[2]' into a 'u64' and be done with it.
We still have to deal with the fact that the user space interface is
designed around an array of these 32-bit values, but that was the case
before too, since the array layouts were different (ie user space
doesn't use an array of 32-bit values for individual capability masks,
but an array of 32-bit slices of multiple masks).
So that marshalling of data is actually simplified too, even if it does
remain somewhat obscure and odd.
This was all triggered by my reaction to the new "cap_isidentical()"
introduced recently. By just using a saner data structure, it went from
unsigned __capi;
CAP_FOR_EACH_U32(__capi) {
if (a.cap[__capi] != b.cap[__capi])
return false;
}
return true;
to just being
return a.val == b.val;
instead. Which is rather more obvious both to humans and to compilers.
Cc: Mateusz Guzik <mjguzik@gmail.com>
Cc: Casey Schaufler <casey@schaufler-ca.com>
Cc: Serge Hallyn <serge@hallyn.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Paul Moore <paul@paul-moore.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- sh: clk: Fix clk_enable() to return 0 on NULL clk
- sh: intc: Avoid spurious sizeof-pointer-div warning
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Merge tag 'sh-for-v6.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux
Pull sh updates from John Paul Adrian Glaubitz:
- regression fix in connection with the rtl8169 driver on SuperH boards
that was introduced when the driver was switched to use
devm_clk_get_optional_enabled() to simplify the code (Geert
Uytterhoeven)
- build warning fix to allow the kernel to be built with CONFIG_WERROR
enabled (Michael Karcher)
* tag 'sh-for-v6.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux:
sh: clk: Fix clk_enable() to return 0 on NULL clk
sh: intc: Avoid spurious sizeof-pointer-div warning
1, Make -mstrict-align configurable;
2, Add kernel relocation and KASLR support;
3, Add single kernel image implementation for kdump;
4, Add hardware breakpoints/watchpoints support;
5, Add kprobes/kretprobes/kprobes_on_ftrace support;
6, Add LoongArch support for some selftests.
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Merge tag 'loongarch-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen:
- Make -mstrict-align configurable
- Add kernel relocation and KASLR support
- Add single kernel image implementation for kdump
- Add hardware breakpoints/watchpoints support
- Add kprobes/kretprobes/kprobes_on_ftrace support
- Add LoongArch support for some selftests.
* tag 'loongarch-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (23 commits)
selftests/ftrace: Add LoongArch kprobe args string tests support
selftests/seccomp: Add LoongArch selftesting support
tools: Add LoongArch build infrastructure
samples/kprobes: Add LoongArch support
LoongArch: Mark some assembler symbols as non-kprobe-able
LoongArch: Add kprobes on ftrace support
LoongArch: Add kretprobes support
LoongArch: Add kprobes support
LoongArch: Simulate branch and PC* instructions
LoongArch: ptrace: Add hardware single step support
LoongArch: ptrace: Add function argument access API
LoongArch: ptrace: Expose hardware breakpoints to debuggers
LoongArch: Add hardware breakpoints/watchpoints support
LoongArch: kdump: Add crashkernel=YM handling
LoongArch: kdump: Add single kernel image implementation
LoongArch: Add support for kernel address space layout randomization (KASLR)
LoongArch: Add support for kernel relocation
LoongArch: Add la_abs macro implementation
LoongArch: Add JUMP_VIRT_ADDR macro implementation to avoid using la.abs
LoongArch: Use la.pcrel instead of la.abs when it's trivially possible
...
- Add support for rust (yay!)
- Add support for LTO
- Add platform bus support to virtio-pci
- Various virtio fixes
- Coding style, spelling cleanups
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Merge tag 'uml-for-linus-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux
Pull UML updates from Richard Weinberger:
- Add support for rust (yay!)
- Add support for LTO
- Add platform bus support to virtio-pci
- Various virtio fixes
- Coding style, spelling cleanups
* tag 'uml-for-linus-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux: (27 commits)
Documentation: rust: Fix arch support table
uml: vector: Remove unused definitions VECTOR_{WRITE,HEADERS}
um: virt-pci: properly remove PCI device from bus
um: virtio_uml: move device breaking into workqueue
um: virtio_uml: mark device as unregistered when breaking it
um: virtio_uml: free command if adding to virtqueue failed
UML: define RUNTIME_DISCARD_EXIT
virt-pci: add platform bus support
um-virt-pci: Make max delay configurable
um: virt-pci: implement pcibios_get_phb_of_node()
um: Support LTO
um: put power options in a menu
um: Use CFLAGS_vmlinux
um: Prevent building modules incompatible with MODVERSIONS
um: Avoid pcap multiple definition errors
um: Make the definition of cpu_data more compatible
x86: um: vdso: Add '%rcx' and '%r11' to the syscall clobber list
rust: arch/um: Add support for CONFIG_RUST under x86_64 UML
rust: arch/um: Disable FP/SIMD instruction to match x86
rust: arch/um: Use 'pie' relocation mode under UML
...
JFFS2:
- Fix memory corruption in error path
- Spelling and coding style fixes
UBI:
- Switch to BLK_MQ_F_BLOCKING in ubiblock
- Wire up partent device (for sysfs)
- Multiple UAF bugfixes
- Fix for an infinite loop in WL error path
UBIFS:
- Fix for multiple memory leaks in error paths
- Fixes for wrong space accounting
- Minor cleanups
- Spelling and coding style fixes
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Merge tag 'ubifs-for-linus-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull jffs2, ubi and ubifs updates from Richard Weinberger:
"JFFS2:
- Fix memory corruption in error path
- Spelling and coding style fixes
UBI:
- Switch to BLK_MQ_F_BLOCKING in ubiblock
- Wire up partent device (for sysfs)
- Multiple UAF bugfixes
- Fix for an infinite loop in WL error path
UBIFS:
- Fix for multiple memory leaks in error paths
- Fixes for wrong space accounting
- Minor cleanups
- Spelling and coding style fixes"
* tag 'ubifs-for-linus-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs: (36 commits)
ubi: block: Fix a possible use-after-free bug in ubiblock_create()
ubifs: make kobj_type structures constant
mtd: ubi: block: wire-up device parent
mtd: ubi: wire-up parent MTD device
ubi: use correct names in function kernel-doc comments
ubi: block: set BLK_MQ_F_BLOCKING
jffs2: Fix list_del corruption if compressors initialized failed
jffs2: Use function instead of macro when initialize compressors
jffs2: fix spelling mistake "neccecary"->"necessary"
ubifs: Fix kernel-doc
ubifs: Fix some kernel-doc comments
UBI: Fastmap: Fix kernel-doc
ubi: ubi_wl_put_peb: Fix infinite loop when wear-leveling work failed
ubi: Fix UAF wear-leveling entry in eraseblk_count_seq_show()
ubi: fastmap: Fix missed fm_anchor PEB in wear-leveling after disabling fastmap
ubifs: ubifs_releasepage: Remove ubifs_assert(0) to valid this process
ubifs: ubifs_writepage: Mark page dirty after writing inode failed
ubifs: dirty_cow_znode: Fix memleak in error handling path
ubifs: Re-statistic cleaned znode count if commit failed
ubi: Fix permission display of the debugfs files
...
Here is the 9p patches for the 6.3 merge window combining
the tested and reviewed patches from both Dominique's
for-next tree and my for-next tree. Most of these
patches have been in for-next since December with only
some reword in the description:
- some fixes and cleanup setting up for a larger set
of performance patches I've been working on
- a contributed fixes relating to 9p/rdma
- some contributed fixes relating to 9p/xen
I've marked this as part 1, I'm not sure I'll be
submitting part 2. There were several performance
patches that I wanted to get in, but the revisions
after review only went out last week so while they
have been tested, I haven't received reviews on the
revisions.
Its been about a decade since I've submitted a pull
request, sorry if I messed anything up.
-eric
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Merge tag '9p-6.3-for-linus-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
Pull 9p updates from Eric Van Hensbergen:
- some fixes and cleanup setting up for a larger set of performance
patches I've been working on
- a contributed fixes relating to 9p/rdma
- some contributed fixes relating to 9p/xen
* tag '9p-6.3-for-linus-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
fs/9p: fix error reporting in v9fs_dir_release
net/9p: fix bug in client create for .L
9p/rdma: unmap receive dma buffer in rdma_request()/post_recv()
9p/xen: fix connection sequence
9p/xen: fix version parsing
fs/9p: Expand setup of writeback cache to all levels
net/9p: Adjust maximum MSIZE to account for p9 header
- Handle vendor extension and allocation entries as unrecognized benign secondary entries.
- Fix wrong ->i_blocks on devices with non-512 byte sector.
- Add the check to avoid returning -EIO from exfat_readdir() at current position exceeding the directory size.
- Fix a bug that reach the end of the directory stream at a position not aligned with the dentry size.
- Redefine DIR_DELETED as 0xFFFFFFF7, the bad cluster number.
- Two cleanup fixes and fix cluster leakage in error handling.
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Merge tag 'exfat-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat
Pull exfat updates from Namjae Jeon:
- Handle vendor extension and allocation entries as unrecognized benign
secondary entries
- Fix wrong ->i_blocks on devices with non-512 byte sector
- Add the check to avoid returning -EIO from exfat_readdir() at current
position exceeding the directory size
- Fix a bug that reach the end of the directory stream at a position
not aligned with the dentry size
- Redefine DIR_DELETED as 0xFFFFFFF7, the bad cluster number
- Two cleanup fixes and fix cluster leakage in error handling
* tag 'exfat-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
exfat: fix the newly allocated clusters are not freed in error handling
exfat: don't print error log in normal case
exfat: remove unneeded code from exfat_alloc_cluster()
exfat: handle unreconized benign secondary entries
exfat: fix inode->i_blocks for non-512 byte sector size device
exfat: redefine DIR_DELETED as the bad cluster number
exfat: fix reporting fs error when reading dir beyond EOF
exfat: fix unexpected EOF while reading dir
* Fix a deadlock in the free space allocator due to the AG-walking
algorithm forgetting to follow AG-order locking rules.
* Make the inode allocator prefer existing free inodes instead of
failing to allocate new inode chunks when free space is low.
* Set minleft correctly when setting allocator parameters for bmap
changes.
* Fix uninitialized variable access in the getfsmap code.
* Make a distinction between active and passive per-AG structure
references. For now, active references are taken to perform some
work in an AG on behalf of a high level operation; passive references
are used by lower level code to finish operations started by other
threads. Eventually this will become part of online shrink.
* Split out all the different allocator strategies into separate
functions to move us away from design antipattern of filling out a
huge structure for various differentish things and issuing a single
function multiplexing call.
* Various cleanups in the filestreams allocator code, which we might
very well want to deprecate instead of continuing.
* Fix a bug with the agi rotor code that was introduced earlier in this
series.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'xfs-6.3-merge-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull moar xfs updates from Darrick Wong:
"This contains a fix for a deadlock in the allocator. It continues the
slow march towards being able to offline AGs, and it refactors the
interface to the xfs allocator to be less indirection happy.
Summary:
- Fix a deadlock in the free space allocator due to the AG-walking
algorithm forgetting to follow AG-order locking rules
- Make the inode allocator prefer existing free inodes instead of
failing to allocate new inode chunks when free space is low
- Set minleft correctly when setting allocator parameters for bmap
changes
- Fix uninitialized variable access in the getfsmap code
- Make a distinction between active and passive per-AG structure
references. For now, active references are taken to perform some
work in an AG on behalf of a high level operation; passive
references are used by lower level code to finish operations
started by other threads. Eventually this will become part of
online shrink
- Split out all the different allocator strategies into separate
functions to move us away from design antipattern of filling out a
huge structure for various differentish things and issuing a single
function multiplexing call
- Various cleanups in the filestreams allocator code, which we might
very well want to deprecate instead of continuing
- Fix a bug with the agi rotor code that was introduced earlier in
this series"
* tag 'xfs-6.3-merge-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (44 commits)
xfs: restore old agirotor behavior
xfs: fix uninitialized variable access
xfs: refactor the filestreams allocator pick functions
xfs: return a referenced perag from filestreams allocator
xfs: pass perag to filestreams tracing
xfs: use for_each_perag_wrap in xfs_filestream_pick_ag
xfs: track an active perag reference in filestreams
xfs: factor out MRU hit case in xfs_filestream_select_ag
xfs: remove xfs_filestream_select_ag() longest extent check
xfs: merge new filestream AG selection into xfs_filestream_select_ag()
xfs: merge filestream AG lookup into xfs_filestream_select_ag()
xfs: move xfs_bmap_btalloc_filestreams() to xfs_filestreams.c
xfs: use xfs_bmap_longest_free_extent() in filestreams
xfs: get rid of notinit from xfs_bmap_longest_free_extent
xfs: factor out filestreams from xfs_bmap_btalloc_nullfb
xfs: convert trim to use for_each_perag_range
xfs: convert xfs_alloc_vextent_iterate_ags() to use perag walker
xfs: move the minimum agno checks into xfs_alloc_vextent_check_args
xfs: fold xfs_alloc_ag_vextent() into callers
xfs: move allocation accounting to xfs_alloc_vextent_set_fsbno()
...
Subsystem:
- transfer pid from boardinfo to device info
Drivers:
- dw-i3c-master: stop hardcoding initial speed
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Merge tag 'i3c/for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull i3c updates from Alexandre Belloni:
"Subsystem:
- transfer pid from boardinfo to device info
Drivers:
- dw-i3c-master: stop hardcoding initial speed"
* tag 'i3c/for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: master: dw: stop hardcoding initial speed
i3c: transfer pid from boardinfo to device info
but which I didn't get merged for the first round:
- A recommendation from Thorsten (also akpm) on use of Link tags to point
out problem reports.
- Some front-page formatting tweaks
- Another Spanish translation
- One typo(ish) fix.
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Merge tag 'docs-6.3-2' of git://git.lwn.net/linux
Pull Documentation stragglers from Jonathan Corbet:
"A handful of documentation patches that were ready before the merge
window, but which I didn't get merged for the first round:
- A recommendation from Thorsten (also akpm) on use of Link tags to
point out problem reports
- Some front-page formatting tweaks
- Another Spanish translation
- One typo(ish) fix"
* tag 'docs-6.3-2' of git://git.lwn.net/linux:
docs: recommend using Link: whenever using Reported-by:
Documentation: front page: use recommended heading adornments
docs/sp_SP: Add process programming-language translation
docs: locking: refer to the actual existing config names
Bus-speed could be default(12.5MHz) or defined by users in dts.
Dw-i3c-master should not hard-code the initial speed to be
I3C_BUS_TYP_I3C_SCL_RATE (12.5MHz)
And because of Synopsys's I3C controller limit (hcnt/lcnt register
length) and core-clk provided, there is a limit to bus speed, too.
For example, when core-clk is 250 MHz, the bus speed cannot be
lowered below 1MHz.
Tested: tested with an i3c sensor and captured with a logic analyzer.
Signed-off-by: Jack Chen <zenghuchen@google.com>
Link: https://lore.kernel.org/r/20230216151057.293764-1-zenghuchen@google.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This rather small set of changes includes some minor fixes and
improvements. The AB8500 driver gained support for reading the initial
hardware state and the Synopsys DesignWare driver received some work to
prepare for device tree and platform support.
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Merge tag 'pwm/for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This rather small set of changes includes some minor fixes and
improvements.
The AB8500 driver gained support for reading the initial hardware
state and the Synopsys DesignWare driver received some work to prepare
for device tree and platform support"
* tag 'pwm/for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: dwc: Use devm_pwmchip_add()
pwm: dwc: Move memory allocation to own function
pwm: dwc: Change &pci->dev to dev in probe
dt-bindings: pwm: Document Synopsys DesignWare snps,pwm-dw-apb-timers-pwm2
pwm: iqs620a: Replace one remaining instance of regmap_update_bits()
pwm: ab8500: Implement .get_state()
pwm: ab8500: Fix calculation of duty and period
pwm: lp3943: Drop unused i2c include
dt-bindings: pwm: mediatek: Convert pwm-mediatek to DT schema
pwm: stm32-lp: fix the check on arr and cmp registers update
pwm: Move pwm_capture() dummy to restore order
pwm: sifive: Always let the first pwm_apply_state succeed
direct I/O writes to preallocated blocks by using a shared inode lock
instead of taking an exclusive lock.
In addition, multiple bug fixes and cleanups.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"Improve performance for ext4 by allowing multiple process to perform
direct I/O writes to preallocated blocks by using a shared inode lock
instead of taking an exclusive lock.
In addition, multiple bug fixes and cleanups"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix incorrect options show of original mount_opt and extend mount_opt2
ext4: Fix possible corruption when moving a directory
ext4: init error handle resource before init group descriptors
ext4: fix task hung in ext4_xattr_delete_inode
jbd2: fix data missing when reusing bh which is ready to be checkpointed
ext4: update s_journal_inum if it changes after journal replay
ext4: fail ext4_iget if special inode unallocated
ext4: fix function prototype mismatch for ext4_feat_ktype
ext4: remove unnecessary variable initialization
ext4: fix inode tree inconsistency caused by ENOMEM
ext4: refuse to create ea block when umounted
ext4: optimize ea_inode block expansion
ext4: remove dead code in updating backup sb
ext4: dio take shared inode lock when overwriting preallocated blocks
ext4: don't show commit interval if it is zero
ext4: use ext4_fc_tl_mem in fast-commit replay path
ext4: improve xattr consistency checking and error reporting
In error handling 'free_cluster', before num_alloc clusters allocated,
p_chain->size will not updated and always 0, thus the newly allocated
clusters are not freed.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
When allocating a new cluster, exFAT first allocates from the
next cluster of the last cluster of the file. If the last cluster
of the file is the last cluster of the volume, allocate from the
first cluster. This is a normal case, but the following error log
will be printed. It makes users confused, so this commit removes
the error log.
[1960905.181545] exFAT-fs (sdb1): hint_cluster is invalid (262130)
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
In the removed code, num_clusters is 0, nothing is done in
exfat_chain_cont_cluster(), so it is unneeded, remove it.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Commit 226fae124b ("vc_screen: move load of struct vc_data pointer in
vcs_read() to avoid UAF") moved the call to vcs_vc() into the loop.
While doing this it also moved the unconditional assignment of
ret = -ENXIO;
This unconditional assignment was valid outside the loop but within it
it clobbers the actual value of ret.
To avoid this only assign "ret = -ENXIO" when actually needed.
[ Also, the 'goto unlock_out" needs to be just a "break", so that it
does the right thing when it exits on later iterations when partial
success has happened - Linus ]
Reported-by: Storm Dragon <stormdragon2976@gmail.com>
Link: https://lore.kernel.org/lkml/Y%2FKS6vdql2pIsCiI@hotmail.com/
Fixes: 226fae124b ("vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF")
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/lkml/64981d94-d00c-4b31-9063-43ad0a384bde@t-8ch.de/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
access(2) remains commonly used, for example on exec:
access("/etc/ld.so.preload", R_OK)
or when running gcc: strace -c gcc empty.c
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
0.00 0.000000 0 42 26 access
It falls down to do_faccessat without the AT_EACCESS flag, which in turn
results in allocation of new creds in order to modify fsuid/fsgid and
caps. This is a very expensive process single-threaded and most notably
multi-threaded, with numerous structures getting refed and unrefed on
imminent new cred destruction.
Turns out for typical consumers the resulting creds would be identical
and this can be checked upfront, avoiding the hard work.
An access benchmark plugged into will-it-scale running on Cascade Lake
shows:
test proc before after
access1 1 1310582 2908735 (+121%) # distinct files
access1 24 4716491 63822173 (+1353%) # distinct files
access2 24 2378041 5370335 (+125%) # same file
The above benchmarks are not integrated into will-it-scale, but can be
found in a pull request:
https://github.com/antonblanchard/will-it-scale/pull/36/files
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
In this round, we've got a huge number of patches that improve code readability
along with minor bug fixes, while we've mainly fixed some critical issues in
recently-added per-block age-based extent_cache, atomic write support, and some
folio cases.
Enhancement:
- add sysfs nodes to set last_age_weight and manage discard_io_aware_gran
- show ipu policy in debugfs
- reduce stack memory cost by using bitfield in struct f2fs_io_info
- introduce trace_f2fs_replace_atomic_write_block
- enhance iostat support and adds flush commands
Bug fix:
- revert "f2fs: truncate blocks in batch in __complete_revoke_list()"
- fix kernel crash on the atomic write abort flow
- call clear_page_private_reference in .{release,invalid}_folio
- support .migrate_folio for compressed inode
- fix cgroup writeback accounting with fs-layer encryption
- retry to update the inode page given data corruption
- fix kernel crash due to null io->bio
- fix some bugs in per-block age-based extent_cache:
a. wrong calculation of block age
b. update age extent in f2fs_do_zero_range()
c. update age extent correctly during truncation
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Merge tag 'f2fs-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this round, we've got a huge number of patches that improve code
readability along with minor bug fixes, while we've mainly fixed some
critical issues in recently-added per-block age-based extent_cache,
atomic write support, and some folio cases.
Enhancements:
- add sysfs nodes to set last_age_weight and manage
discard_io_aware_gran
- show ipu policy in debugfs
- reduce stack memory cost by using bitfield in struct f2fs_io_info
- introduce trace_f2fs_replace_atomic_write_block
- enhance iostat support and adds flush commands
Bug fixes:
- revert "f2fs: truncate blocks in batch in __complete_revoke_list()"
- fix kernel crash on the atomic write abort flow
- call clear_page_private_reference in .{release,invalid}_folio
- support .migrate_folio for compressed inode
- fix cgroup writeback accounting with fs-layer encryption
- retry to update the inode page given data corruption
- fix kernel crash due to NULL io->bio
- fix some bugs in per-block age-based extent_cache:
- wrong calculation of block age
- update age extent in f2fs_do_zero_range()
- update age extent correctly during truncation"
* tag 'f2fs-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (81 commits)
f2fs: drop unnecessary arg for f2fs_ioc_*()
f2fs: Revert "f2fs: truncate blocks in batch in __complete_revoke_list()"
f2fs: synchronize atomic write aborts
f2fs: fix wrong segment count
f2fs: replace si->sbi w/ sbi in stat_show()
f2fs: export ipu policy in debugfs
f2fs: make kobj_type structures constant
f2fs: fix to do sanity check on extent cache correctly
f2fs: add missing description for ipu_policy node
f2fs: fix to set ipu policy
f2fs: fix typos in comments
f2fs: fix kernel crash due to null io->bio
f2fs: use iostat_lat_type directly as a parameter in the iostat_update_and_unbind_ctx()
f2fs: add sysfs nodes to set last_age_weight
f2fs: fix f2fs_show_options to show nogc_merge mount option
f2fs: fix cgroup writeback accounting with fs-layer encryption
f2fs: fix wrong calculation of block age
f2fs: fix to update age extent in f2fs_do_zero_range()
f2fs: fix to update age extent correctly during truncation
f2fs: fix to avoid potential memory corruption in __update_iostat_latency()
...
Restore the vcs_size() handling in vcs_read() to what
it had been in previous version.
Fixes: 226fae124b ("vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF")
Suggested-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: George Kennedy <george.kennedy@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
KUnit's 'hooks.o' file need to be built-in whenever KUnit is enabled
(even if CONFIG_KUNIT=m). We'd previously attemtped to do this by
adding 'kunit/hooks.o' to obj-y in lib/Makefile, but this caused hooks.c
to be rebuilt even when it was unchanged.
Instead, always recurse into lib/kunit using obj-y when KUnit is
enabled, and add the hooks there.
Fixes: 7170b7ed6a ("kunit: Add "hooks" to call into KUnit when it's built as a module").
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/linux-kselftest/CAHk-=wiEf7irTKwPJ0jTMOF3CS-13UXmF6Fns3wuWpOZ_wGyZQ@mail.gmail.com/
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Current release - regressions:
- phy: multiple fixes for EEE rework
- wifi: wext: warn about usage only once
- wifi: ath11k: allow system suspend to survive ath11k
Current release - new code bugs:
- mlx5: Fix memory leak in IPsec RoCE creation
- ibmvnic: assign XPS map to correct queue index
Previous releases - regressions:
- netfilter: ip6t_rpfilter: Fix regression with VRF interfaces
- netfilter: ctnetlink: make event listener tracking global
- nf_tables: allow to fetch set elements when table has an owner
- mlx5:
- fix skb leak while fifo resync and push
- fix possible ptp queue fifo use-after-free
Previous releases - always broken:
- sched: fix action bind logic
- ptp: vclock: use mutex to fix "sleep on atomic" bug if driver
also uses a mutex
- netfilter: conntrack: fix rmmod double-free race
- netfilter: xt_length: use skb len to match in length_mt6,
avoid issues with BIG TCP
Misc:
- ice: remove unnecessary CONFIG_ICE_GNSS
- mlx5e: remove hairpin write debugfs files
- sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wireless and netfilter.
The notable fixes here are the EEE fix which restores boot for many
embedded platforms (real and QEMU); WiFi warning suppression and the
ICE Kconfig cleanup.
Current release - regressions:
- phy: multiple fixes for EEE rework
- wifi: wext: warn about usage only once
- wifi: ath11k: allow system suspend to survive ath11k
Current release - new code bugs:
- mlx5: Fix memory leak in IPsec RoCE creation
- ibmvnic: assign XPS map to correct queue index
Previous releases - regressions:
- netfilter: ip6t_rpfilter: Fix regression with VRF interfaces
- netfilter: ctnetlink: make event listener tracking global
- nf_tables: allow to fetch set elements when table has an owner
- mlx5:
- fix skb leak while fifo resync and push
- fix possible ptp queue fifo use-after-free
Previous releases - always broken:
- sched: fix action bind logic
- ptp: vclock: use mutex to fix "sleep on atomic" bug if driver also
uses a mutex
- netfilter: conntrack: fix rmmod double-free race
- netfilter: xt_length: use skb len to match in length_mt6, avoid
issues with BIG TCP
Misc:
- ice: remove unnecessary CONFIG_ICE_GNSS
- mlx5e: remove hairpin write debugfs files
- sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy"
* tag 'net-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (53 commits)
tcp: tcp_check_req() can be called from process context
net: phy: c45: fix network interface initialization failures on xtensa, arm:cubieboard
xen-netback: remove unused variables pending_idx and index
net/sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy
net: dsa: ocelot_ext: remove unnecessary phylink.h include
net: mscc: ocelot: fix duplicate driver name error
net: dsa: felix: fix internal MDIO controller resource length
net: dsa: seville: ignore mscc-miim read errors from Lynx PCS
net/sched: act_sample: fix action bind logic
net/sched: act_mpls: fix action bind logic
net/sched: act_pedit: fix action bind logic
wifi: wext: warn about usage only once
wifi: mt76: usb: fix use-after-free in mt76u_free_rx_queue
qede: avoid uninitialized entries in coal_entry array
nfc: fix memory leak of se_io context in nfc_genl_se_io
ice: remove unnecessary CONFIG_ICE_GNSS
net/sched: cls_api: Move call to tcf_exts_miss_cookie_base_destroy()
ibmvnic: Assign XPS map to correct queue index
docs: net: fix inaccuracies in msg_zerocopy.rst
tools: net: add __pycache__ to gitignore
...
This is a follow up of commit 0a375c8224 ("tcp: tcp_rtx_synack()
can be called from process context").
Frederick Lawler reported another "__this_cpu_add() in preemptible"
warning caused by the same reason.
In my former patch I took care of tcp_rtx_synack()
but forgot that tcp_check_req() also contained some SNMP updates.
Note that some parts of tcp_check_req() always run in BH context,
I added a comment to clarify this.
Fixes: 8336886f78 ("tcp: TCP Fast Open Server - support TFO listeners")
Link: https://lore.kernel.org/netdev/8cd33923-a21d-397c-e46b-2a068c287b03@cloudflare.com/T/
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Frederick Lawler <fred@cloudflare.com>
Tested-by: Frederick Lawler <fred@cloudflare.com>
Link: https://lore.kernel.org/r/20230227083336.4153089-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
building with gcc and W=1 reports
drivers/net/xen-netback/netback.c:886:21: error: variable
‘pending_idx’ set but not used [-Werror=unused-but-set-variable]
886 | u16 pending_idx;
| ^~~~~~~~~~~
pending_idx is not used so remove it. Since index was only
used to set pending_idx, remove index as well.
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20230226163429.2351600-1-trix@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
First set of fixes for v6.3. We have only three oneliners. The most
important one is the patch reducing warnings about the Wireless
Extensions usage, reported by Linus.
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Merge tag 'wireless-2023-02-27' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Kalle Valo says:
====================
wireless fixes for v6.3
First set of fixes for v6.3. We have only three oneliners. The most
important one is the patch reducing warnings about the Wireless
Extensions usage, reported by Linus.
* tag 'wireless-2023-02-27' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: wext: warn about usage only once
wifi: mt76: usb: fix use-after-free in mt76u_free_rx_queue
wifi: ath11k: allow system suspend to survive ath11k
====================
Link: https://lore.kernel.org/r/20230227131053.BD779C433D2@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
A few bugfixes already came up during the merge window. Samsung, ASpeed,
Spear have minor DT changes, in case of Samsung this fixes a regression
compared to earlier versions.
Bartosz takes over as the primary maintainer for the TI DaVinci platform,
and we get a few last minute defconfig changes.
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Merge tag 'arm-fixes-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"A few bugfixes already came up during the merge window. Samsung,
ASpeed, Spear have minor DT changes, in case of Samsung this fixes a
regression compared to earlier versions.
Bartosz takes over as the primary maintainer for the TI DaVinci
platform, and we get a few last minute defconfig changes"
* tag 'arm-fixes-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: dts: spear320-hmi: correct STMPE GPIO compatible
ARM: dts: aspeed: p10bmc: Update battery node name
arm64: defconfig: Add IOSCHED_BFQ to the default configs
arm64: defconfig: Fix unintentional disablement of PCI on i.MX
ARM: dts: exynos: correct TMU phandle in Odroid XU3 family
ARM: dts: exynos: correct TMU phandle in Odroid HC1
ARM: dts: exynos: correct TMU phandle in Odroid XU
ARM: dts: exynos: correct TMU phandle in Exynos5250
ARM: dts: exynos: correct TMU phandle in Exynos4210
ARM: dts: exynos: correct TMU phandle in Exynos4
MAINTAINERS: make me the maintainer of DaVinci platforms
As usual, there are lots of minor driver changes across SoC platforms
from NXP, Amlogic, AMD Zynq, Mediatek, Qualcomm, Apple and Samsung.
These usually add support for additional chip variations in existing
drivers, but also add features or bugfixes.
The SCMI firmware subsystem gains a unified raw userspace interface
through debugfs, which can be used for validation purposes.
Newly added drivers include:
- New power management drivers for StarFive JH7110, Allwinner D1 and
Renesas RZ/V2M
- A driver for Qualcomm battery and power supply status
- A SoC device driver for identifying Nuvoton WPCM450 chips
- A regulator coupler driver for Mediatek MT81xxv
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Merge tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"As usual, there are lots of minor driver changes across SoC platforms
from NXP, Amlogic, AMD Zynq, Mediatek, Qualcomm, Apple and Samsung.
These usually add support for additional chip variations in existing
drivers, but also add features or bugfixes.
The SCMI firmware subsystem gains a unified raw userspace interface
through debugfs, which can be used for validation purposes.
Newly added drivers include:
- New power management drivers for StarFive JH7110, Allwinner D1 and
Renesas RZ/V2M
- A driver for Qualcomm battery and power supply status
- A SoC device driver for identifying Nuvoton WPCM450 chips
- A regulator coupler driver for Mediatek MT81xxv"
* tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
power: supply: Introduce Qualcomm PMIC GLINK power supply
soc: apple: rtkit: Do not copy the reg state structure to the stack
soc: sunxi: SUN20I_PPU should depend on PM
memory: renesas-rpc-if: Remove redundant division of dummy
soc: qcom: socinfo: Add IDs for IPQ5332 and its variant
dt-bindings: arm: qcom,ids: Add IDs for IPQ5332 and its variant
dt-bindings: power: qcom,rpmpd: add RPMH_REGULATOR_LEVEL_LOW_SVS_L1
firmware: qcom_scm: Move qcom_scm.h to include/linux/firmware/qcom/
MAINTAINERS: Update qcom CPR maintainer entry
dt-bindings: firmware: document Qualcomm SM8550 SCM
dt-bindings: firmware: qcom,scm: add qcom,scm-sa8775p compatible
soc: qcom: socinfo: Add Soc IDs for IPQ8064 and variants
dt-bindings: arm: qcom,ids: Add Soc IDs for IPQ8064 and variants
soc: qcom: socinfo: Add support for new field in revision 17
soc: qcom: smd-rpm: Add IPQ9574 compatible
soc: qcom: pmic_glink: remove redundant calculation of svid
soc: qcom: stats: Populate all subsystem debugfs files
dt-bindings: soc: qcom,rpmh-rsc: Update to allow for generic nodes
soc: qcom: pmic_glink: add CONFIG_NET/CONFIG_OF dependencies
soc: qcom: pmic_glink: Introduce altmode support
...
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Merge tag 'fuse-update-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse updates from Miklos Szeredi:
- Fix regression in fileattr permission checking
- Fix possible hang during PID namespace destruction
- Add generic support for request extensions
- Add supplementary group list extension
- Add limited support for supplying supplementary groups in create
requests
- Documentation fixes
* tag 'fuse-update-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: add inode/permission checks to fileattr_get/fileattr_set
fuse: fix all W=1 kernel-doc warnings
fuse: in fuse_flush only wait if someone wants the return code
fuse: optional supplementary group in create requests
fuse: add request extension
- Extend slot-gpio to be used for host specific card detect interrupts
- Align to common busy polling behaviour for mmc ioctls
- Suggest the BFQ I/O scheduler to be built along with MMC/SD support
- Add devm_mmc_alloc_host() to enable further cleanups in host drivers
MMC host:
- atmel-mci: Fix race condition when stopping/starting a command
- dw_mmc-starfive: Add new driver to support the StarFive JH7110 variant
- dw_mmc-rockchip: Add support for the RK3588 variant
- jz4740: Add support for the vqmmc power supply
- meson-gx: Convert the DT bindings to the dt-schema
- meson-gx: Enable the platform interrupt to be used for card detect
- moxart: Set the supported maximum request/block/segment sizes
- renesas,sdhi: Add support for the RZ/V2M variants
- sdhci: Rework code to drop SDHCI_QUIRK_MISSING_CAPS
- sdhci-esdhc-imx: Improve tuning logic support
- sdhci-msm: Add support for the IPQ5332 and the IPQ9574 variants
- sdhci-of-dwcmshc: Add the missing device table IDs for acpi
- sdhci-of-dwcmshc: Improve clock support for the Rockchip variant
- sdhci-of-dwcmshc: Enable support of V4 host for the BlueField-3 variant
- sdhci-pxav2: Add support for the PXA168 V1 variant
- sdhci-pxav2: Add support for SDIO IRQs for the PXA168 V1 variant
- uniphier-sd: Add support for SD UHS-I speed modes
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Merge tag 'mmc-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Extend slot-gpio to be used for host specific card detect interrupts
- Align to common busy polling behaviour for mmc ioctls
- Suggest the BFQ I/O scheduler to be built along with MMC/SD support
- Add devm_mmc_alloc_host() to enable further cleanups in host drivers
MMC host:
- atmel-mci: Fix race condition when stopping/starting a command
- dw_mmc-starfive: Add new driver to support the StarFive JH7110 variant
- dw_mmc-rockchip: Add support for the RK3588 variant
- jz4740: Add support for the vqmmc power supply
- meson-gx: Convert the DT bindings to the dt-schema
- meson-gx: Enable the platform interrupt to be used for card detect
- moxart: Set the supported maximum request/block/segment sizes
- renesas,sdhi: Add support for the RZ/V2M variants
- sdhci: Rework code to drop SDHCI_QUIRK_MISSING_CAPS
- sdhci-esdhc-imx: Improve tuning logic support
- sdhci-msm: Add support for the IPQ5332 and the IPQ9574 variants
- sdhci-of-dwcmshc: Add the missing device table IDs for acpi
- sdhci-of-dwcmshc: Improve clock support for the Rockchip variant
- sdhci-of-dwcmshc: Enable support of V4 host for the BlueField-3 variant
- sdhci-pxav2: Add support for the PXA168 V1 variant
- sdhci-pxav2: Add support for SDIO IRQs for the PXA168 V1 variant
- uniphier-sd: Add support for SD UHS-I speed modes"
* tag 'mmc-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (59 commits)
mmc: meson-gx: Use devm_platform_get_and_ioremap_resource()
mmc: meson-gx: constify member data of struct meson_host
mmc: meson-gx: use devm_clk_get_enabled() for core clock
mmc: core: fix return value check in devm_mmc_alloc_host()
dt-bindings: mmc: meson-gx: fix interrupt binding
mmc: meson-gx: support platform interrupt as card detect interrupt
dt-bindings: mmc: meson-gx: support specifying cd interrupt
mmc: core: support setting card detect interrupt from drivers
mmc: starfive: Add sdio/emmc driver support
dt-bindings: mmc: Add StarFive MMC module
dt-bindings: mmc: sdhci-msm: Allow 1 icc path
dt-bindings: mmc: rockchip-dw-mshc: Add RK3588 compatible string
mmc: core: Align to common busy polling behaviour for mmc ioctls
dt-bindings: mmc: Add resets property to cadence SDHCI binding
mmc: meson-gx: remove meson_mmc_get_cd
mmc: moxart: set maximum request/block/segment sizes
mmc: sdhci-brcmstb: Use devm_platform_get_and_ioremap_resource()
mmc: sdhci-of-dwcmshc: add the missing device table IDs for acpi
mmc: sdhci-of-dwcmshc: Update DLL and pre-change delay for rockchip platform
mmc: jz4740: Add support for vqmmc power supply
...
- remove a not very useful and now unused swiotlb API
(Christoph Hellwig)
- fix a section mismatch (Randy Dunlap)
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Merge tag 'dma-mapping-6.3-2022-02-27' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- remove a not very useful and now unused swiotlb API (Christoph
Hellwig)
- fix a section mismatch (Randy Dunlap)
* tag 'dma-mapping-6.3-2022-02-27' of git://git.infradead.org/users/hch/dma-mapping:
swiotlb: mark swiotlb_memblock_alloc() as __init
swiotlb: remove swiotlb_max_segment
* fix off-by-one in the check whether memblock_add_range() should
reallocate memory to accommodate newly inserted range
* check only for relevant regions in memblock_merge_regions() rather than
swipe over the entire array
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Merge tag 'memblock-v6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock updates from Mike Rapoport:
"Small optimizations:
- fix off-by-one in the check whether memblock_add_range() should
reallocate memory to accommodate newly inserted range
- check only for relevant regions in memblock_merge_regions() rather
than swipe over the entire array"
* tag 'memblock-v6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock: Avoid useless checks in memblock_merge_regions().
memblock: Make a boundary tighter in memblock_add_range().
Prior to the removal of xfs_ialloc_next_ag, we would increment the agi
rotor and return the *old* value. atomic_inc_return returns the new
value, which causes mkfs to allocate the root directory in AG 1. Put
back the old behavior (at least for mkfs) by subtracting 1 here.
Fixes: 20a5eab49d ("xfs: convert xfs_ialloc_next_ag() to an atomic")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Thermal framework commit 3fd6d6e2b4 ("thermal/of: Rework the thermal
device tree initialization") merged in v6.1-rc1, exposed
misconfiguration of Exynos Thermal Monitoring Unit (TMU) thermal-sensors
property in DTS. This misconfiguration in DTS was working fine before
that Thermal commit, but now all thermal zones fail to register except
the first one (CPU). This can lead to missing cooling of a board and
eventually either emergency shutdown or damaged board.
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Merge tag 'samsung-dt-fixes-6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/fixes
Fixes for Samsung DTS ARM for v6.3
Thermal framework commit 3fd6d6e2b4 ("thermal/of: Rework the thermal
device tree initialization") merged in v6.1-rc1, exposed
misconfiguration of Exynos Thermal Monitoring Unit (TMU) thermal-sensors
property in DTS. This misconfiguration in DTS was working fine before
that Thermal commit, but now all thermal zones fail to register except
the first one (CPU). This can lead to missing cooling of a board and
eventually either emergency shutdown or damaged board.
* tag 'samsung-dt-fixes-6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: dts: exynos: correct TMU phandle in Odroid XU3 family
ARM: dts: exynos: correct TMU phandle in Odroid HC1
ARM: dts: exynos: correct TMU phandle in Odroid XU
ARM: dts: exynos: correct TMU phandle in Exynos5250
ARM: dts: exynos: correct TMU phandle in Exynos4210
ARM: dts: exynos: correct TMU phandle in Exynos4
Link: https://lore.kernel.org/r/20230221095337.9453-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
ARM64 systems are often memory constrained and more often than not
use slow single-channel storage such as flash memory or MMC/SD-cards.
For any interactive systems (such as mobile phones, tablets,
chromebooks...) the BFQ I/O scheduler will be desireable.
Make sure the BFQ I/O scheduler is available on these systems.
ARM (32), Loongarch, MIPS, m68k, UM and S390 has also enabled BFQ in
their defconfigs, cf commit b495dfed70
"um: Cleanup CONFIG_IOSCHED_CFQ" where the motivation is that
it replaces the former CFQ scheduler.
Cc: linux-arm-kernel@lists.infradead.org
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Paolo Valente <paolo.valente@linaro.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20230224135230.2295826-1-linus.walleij@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
A recent update to support PCI endpoint mode on i.MX platforms
unintentionally disabled PCI host support for i.MX in defconfig. The
existing PCI_IMX6 was made a hidden option, selected by new options
PCI_IMX6_HOST (for the existing support) and PCI_IMX6_EP (for the
endpoint mode), but there has been no corresponding update to defconfig
so the PCI_IMX6 ends up getting disabled. Switch defconfig to
PCI_IMX6_HOST to preserve the existing functionality.
Fixes: 75c2f26da0 ("PCI: imx6: Add i.MX PCIe EP mode support")
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Richard Zhu <hongxing.zhu@nxp.com>
Link: https://lore.kernel.org/r/20230220-imx-pci-defconfig-v1-1-2210cf08340e@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
TCA_EXT_WARN_MSG is currently sitting outside of the expected hierarchy
for the tc actions code. It should sit within TCA_ACT_TAB.
Fixes: 0349b8779c ("sched: add new attr TCA_EXT_WARN_MSG to report tc extact message")
Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sony PXW-Z280 camera add vendor allocation entries to directory of
pictures. Currently, linux exfat does not support it and the file is
not visible. This patch handle vendor extension and allocation entries
as unreconized benign secondary entries. As described in the specification,
it is recognized but ignored, and when deleting directory entry set,
the associated clusters allocation are removed as well as benign secondary
directory entries.
Reported-by: Barócsi Dénes <admin@tveger.hu>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Reviewed-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
inode->i_blocks is not real number of blocks, but 512 byte ones.
Fixes: 98d917047e ("exfat: add file operations")
Cc: stable@vger.kernel.org # v5.7+
Reported-by: Wang Yugui <wangyugui@e16-tech.com>
Tested-by: Wang Yugui <wangyugui@e16-tech.com>
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
When a file or a directory is deleted, the hint for the cluster of
its parent directory in its in-memory inode is set as DIR_DELETED.
Therefore, DIR_DELETED must be one of invalid cluster numbers. According
to the exFAT specification, a volume can have at most 2^32-11 clusters.
However, DIR_DELETED is wrongly defined as 0xFFFF0321, which could be
a valid cluster number. To fix it, let's redefine DIR_DELETED as
0xFFFFFFF7, the bad cluster number.
Fixes: 1acf1a564b ("exfat: add in-memory and on-disk structures and headers")
Cc: stable@vger.kernel.org # v5.7+
Reported-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Signed-off-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Since seekdir() does not check whether the position is valid, the
position may exceed the size of the directory. We found that for
a directory with discontinuous clusters, if the position exceeds
the size of the directory and the excess size is greater than or
equal to the cluster size, exfat_readdir() will return -EIO,
causing a file system error and making the file system unavailable.
Reproduce this bug by:
seekdir(dir, dir_size + cluster_size);
dirent = readdir(dir);
The following log will be printed if mount with 'errors=remount-ro'.
[11166.712896] exFAT-fs (sdb1): error, invalid access to FAT (entry 0xffffffff)
[11166.712905] exFAT-fs (sdb1): Filesystem has been set read-only
Fixes: 1e5654de0f ("exfat: handle wrong stream entry size in exfat_readdir()")
Cc: stable@vger.kernel.org # v5.7+
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
If the position is not aligned with the dentry size, the return
value of readdir() will be NULL and errno is 0, which means the
end of the directory stream is reached.
If the position is aligned with dentry size, but there is no file
or directory at the position, exfat_readdir() will continue to
get dentry from the next dentry. So the dentry gotten by readdir()
may not be at the position.
After this commit, if the position is not aligned with the dentry
size, round the position up to the dentry size and continue to get
the dentry.
Fixes: ca06197382 ("exfat: add directory operations")
Cc: stable@vger.kernel.org # v5.7+
Reported-by: Wang Yugui <wangyugui@e16-tech.com>
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
On SH, devm_clk_get_optional_enabled() fails with -EINVAL if the clock
is not found. This happens because __devm_clk_get() assumes it can pass
a NULL clock pointer (as returned by clk_get_optional()) to the init()
function (clk_prepare_enable() in this case), while the SH
implementation of clk_enable() considers that an error.
Fix this by making the SH clk_enable() implementation return zero
instead, like the Common Clock Framework does.
Reported-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/b53e6b557b4240579933b3359dda335ff94ed5af.1675354849.git.geert+renesas@glider.be
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
GCC warns about the pattern sizeof(void*)/sizeof(void), as it looks like
the abuse of a pattern to calculate the array size. This pattern appears
in the unevaluated part of the ternary operator in _INTC_ARRAY if the
parameter is NULL.
The replacement uses an alternate approach to return 0 in case of NULL
which does not generate the pattern sizeof(void*)/sizeof(void), but still
emits the warning if _INTC_ARRAY is called with a nonarray parameter.
This patch is required for successful compilation with -Werror enabled.
The idea to use _Generic for type distinction is taken from Comment #7
in https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108483 by Jakub Jelinek
Signed-off-by: Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://lore.kernel.org/r/619fa552-c988-35e5-b1d7-fe256c46a272@mkarcher.dialup.fu-berlin.de
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
