ttm:
- Fix ttm_bo_move_memcpy() when ttm_resource is subclassed.
- Fix ttm deadlock if target BO isn't idle
- ttm build fix
- ttm docs fix
dma-buf:
- config option fixes
fbdev:
- limit resolutions to avoid int overflow
i915:
- stddef change.
amdgpu:
- Misc cleanups, typo fixes
- EEPROM fix
- Add some new PCI IDs
- Scatter/Gather display support for Yellow Carp
- PCIe DPM fix for RKL platforms
- RAS fix
amdkfd:
- SVM fix
vc4:
- static function fix
mgag200:
- fix uninit var
panfrost:
- lock_region fixes
- Make some dma-buf config options depend on DMA_SHARED_BUFFER.
- Handle multiplication overflow of fbdev xres/yres in the core.
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Merge tag 'drm-next-2021-09-10' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Just an initial bunch of fixes for the merge window, amdgpu is most of
them with a few ttm fixes and an fbdev avoid multiply overflow fix.
core:
- Make some dma-buf config options depend on DMA_SHARED_BUFFER
- Handle multiplication overflow of fbdev xres/yres in the core
ttm:
- Fix ttm_bo_move_memcpy() when ttm_resource is subclassed
- Fix ttm deadlock if target BO isn't idle
- ttm build fix
- ttm docs fix
dma-buf:
- config option fixes
fbdev:
- limit resolutions to avoid int overflow
i915:
- stddef change.
amdgpu:
- Misc cleanups, typo fixes
- EEPROM fix
- Add some new PCI IDs
- Scatter/Gather display support for Yellow Carp
- PCIe DPM fix for RKL platforms
- RAS fix
amdkfd:
- SVM fix
vc4:
- static function fix
mgag200:
- fix uninit var
panfrost:
- lock_region fixes"
* tag 'drm-next-2021-09-10' of git://anongit.freedesktop.org/drm/drm: (36 commits)
drm/ttm: Fix a deadlock if the target BO is not idle during swap
fbmem: don't allow too huge resolutions
dma-buf: DMABUF_SYSFS_STATS should depend on DMA_SHARED_BUFFER
dma-buf: DMABUF_DEBUG should depend on DMA_SHARED_BUFFER
drm/i915: use linux/stddef.h due to "isystem: trim/fixup stdarg.h and other headers"
dma-buf: DMABUF_MOVE_NOTIFY should depend on DMA_SHARED_BUFFER
drm/amdkfd: drop process ref count when xnack disable
drm/amdgpu: enable more pm sysfs under SRIOV 1-VF mode
drm/amdgpu: fix fdinfo race with process exit
drm/amdgpu: Fix a deadlock if previous GEM object allocation fails
drm/amdgpu: stop scheduler when calling hw_fini (v2)
drm/amdgpu: Clear RAS interrupt status on aldebaran
drm/amd/display: Initialize lt_settings on instantiation
drm/amd/display: cleanup idents after a revert
drm/amd/display: Fix memory leak reported by coverity
drm/ttm: Fix ttm_bo_move_memcpy() for subclassed struct ttm_resource
drm/amdgpu/swsmu: fix spelling mistake "minimun" -> "minimum"
drm/amdgpu: Disable PCIE_DPM on Intel RKL Platform
drm/amdgpu: show both cmd id and name when psp cmd failed
drm/amd/display: setup system context for APUs
...
Fix a leak in s_fsnotify_connectors counter in case of a race between
concurrent add of new fsnotify mark to an object.
The task that lost the race fails to drop the counter before freeing
the unused connector.
Following umount() hangs in fsnotify_sb_delete()/wait_var_event(),
because s_fsnotify_connectors never drops to zero.
Fixes: ec44610fe2 ("fsnotify: count all objects with attached connectors")
Reported-by: Murphy Zhou <jencce.kernel@gmail.com>
Link: https://lore.kernel.org/linux-fsdevel/20210907063338.ycaw6wvhzrfsfdlp@xzhoux.usersys.redhat.com/
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Andre reported fw_devlink=on breaking OLPC XO-1.5 [1].
OLPC XO-1.5 is an X86 system that uses a mix of ACPI and OF to populate
devices. The root cause seems to be ISA devices not setting their fwnode
field. But trying to figure out how to fix that doesn't seem worth the
trouble because the OLPC devicetree is very sparse/limited and fw_devlink
only adds the links causing this issue. Considering that there aren't many
users of OF in an X86 system, simply fw_devlink DT support for X86.
[1] - https://lore.kernel.org/lkml/3c1f2473-92ad-bfc4-258e-a5a08ad73dd0@web.de/
Fixes: ea718c6990 ("Revert "Revert "driver core: Set fw_devlink=on by default""")
Signed-off-by: Saravana Kannan <saravanak@google.com>
Cc: Andre Muller <andre.muller@web.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tested-by: Andre Müller <andre.muller@web.de>
Link: https://lore.kernel.org/r/20210910011446.3208894-1-saravanak@google.com
Signed-off-by: Rob Herring <robh@kernel.org>
Using generated/compile.h triggered a full LKDTM rebuild with every
build. Avoid this by using the exported strings instead.
Fixes: b8661450bc ("lkdtm: Add kernel version to failure hints")
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210901233406.2571643-1-keescook@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To be used by IBS raw data display: It needs the recorder's cpuid in
order to determine which errata workarounds to apply to the data, and
the pmu_mappings are needed in order to figure out which PMU sample
type is IBS Fetch vs. IBS Op.
When not available from perf.data, we assume local operation, and
retrieve cpuid and pmu mappings directly from the running system.
Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Link: https //lore.kernel.org/r/20210817221509.88391-2-kim.phillips@amd.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Instead of using the file offset in the debug file.
This fixes a regression from 00a3423492 ("perf symbols: Make
dso__load_bfd_symbols() load PE files from debug cache only"), causing
incorrect symbol resolution when debug file have been stripped from
non-debug sections (in which case its .text section is empty and doesn't
have any file position).
The debug files could also be created with a different file alignment,
and have different file positions from the mmap-ed binary, or have the
section reordered.
This instead looks for the file image base, using the corresponding bfd
*ABS* symbols. As PE symbols only have 4 bytes, it also needs to keep
.text section vma high bits.
Signed-off-by: Remi Bernon <rbernon@codeweavers.com>
Fixes: 00a3423492 ("perf symbols: Make dso__load_bfd_symbols() load PE files from debug cache only")
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Nicholas Fraser <nfraser@codeweavers.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20210909192637.4139125-1-rbernon@codeweavers.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The '--' prevented arguments from being passed to the script, such as:
$ perf script report stackcollapse -i my_perf.data
Signed-off-by: Michael Petlan <mpetlan@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
LPU-Reference: 20200427142327.21172-1-mpetlan@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick the changes in these csets:
59ab844eed ("compat: remove some compat entry points")
dce4910396 ("mm: wire up syscall process_mrelease")
b48c7236b1 ("exit/bdflush: Remove the deprecated bdflush system call")
That add support for this new syscall in tools such as 'perf trace'.
For instance, this is now possible:
# perf trace -v -e process_mrelease
event qualifier tracepoint filter: (common_pid != 19351 && common_pid != 9112) && (id == 448)
^C#
That is the filter expression attached to the raw_syscalls:sys_{enter,exit}
tracepoints.
$ grep process_mrelease tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
448 common process_mrelease sys_process_mrelease
$
This addresses these perf build warnings:
Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/unistd.h' differs from latest version at 'include/uapi/asm-generic/unistd.h'
diff -u tools/include/uapi/asm-generic/unistd.h include/uapi/asm-generic/unistd.h
Warning: Kernel ABI header at 'tools/perf/arch/x86/entry/syscalls/syscall_64.tbl' differs from latest version at 'arch/x86/entry/syscalls/syscall_64.tbl'
diff -u tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
Warning: Kernel ABI header at 'tools/perf/arch/powerpc/entry/syscalls/syscall.tbl' differs from latest version at 'arch/powerpc/kernel/syscalls/syscall.tbl'
diff -u tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl
Warning: Kernel ABI header at 'tools/perf/arch/s390/entry/syscalls/syscall.tbl' differs from latest version at 'arch/s390/kernel/syscalls/syscall.tbl'
diff -u tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl
Warning: Kernel ABI header at 'tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl' differs from latest version at 'arch/mips/kernel/syscalls/syscall_n64.tbl'
diff -u tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick the changes in:
Fixes: d32f89da7f ("net: add accept helper not installing fd")
Fixes: bc49d8169a ("mctp: Add MCTP base")
This automagically adds support for the AF_MCTP protocol domain:
$ tools/perf/trace/beauty/socket.sh > before
$ cp include/linux/socket.h tools/perf/trace/beauty/include/linux/socket.h
$ tools/perf/trace/beauty/socket.sh > after
$ diff -u before after
--- before 2021-09-06 11:57:14.972747200 -0300
+++ after 2021-09-06 11:57:30.541920222 -0300
@@ -44,4 +44,5 @@
[42] = "QIPCRTR",
[43] = "SMC",
[44] = "XDP",
+ [45] = "MCTP",
};
$
This will allow 'perf trace' to translate 45 into "MCTP" as is done with
the other domains:
# perf trace -e socket*
0.000 chronyd/1029 socket(family: INET, type: DGRAM|CLOEXEC|NONBLOCK, protocol: IP) = 4
^C#
This addresses this perf build warning:
Warning: Kernel ABI header at 'tools/perf/trace/beauty/include/linux/socket.h' differs from latest version at 'include/linux/socket.h'
diff -u tools/perf/trace/beauty/include/linux/socket.h include/linux/socket.h
Cc: David S. Miller <davem@davemloft.net>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Jeremy Kerr <jk@codeconstruct.com.au>
Cc: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
I have been slow to respond to messages going to rjw@rjwysocki.net
recently, so change it to rafael@kernel.org (which works better for
me) in MAINTAINERS.
Signed-off-by: Rafael J. Wysocki <rafael@kernel.org>
Erik Kaneda will not be maintaining ACPICA any more, so drop his
address (which doesn't work any more anyway) from the maintainer
list.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Build check of __REQ_F_LAST_BIT should be larger than, not equal or larger
than. It's perfectly valid to have __REQ_F_LAST_BIT be 32, as that means
that the last valid bit is 31 which does fit in the type.
Signed-off-by: Hao Xu <haoxu@linux.alibaba.com>
Link: https://lore.kernel.org/r/20210907032243.114190-1-haoxu@linux.alibaba.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The ret value might be -EBUSY, caller will think lru lock is still
locked but actually NOT. So return -ENOSPC instead. Otherwise we hit
list corruption.
ttm_bo_cleanup_refs might fail too if BO is not idle. If we return 0,
caller(ttm_tt_populate -> ttm_global_swapout ->ttm_device_swapout) will
be stuck as we actually did not free any BO memory. This usually happens
when the fence is not signaled for a long time.
Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Fixes: ebd59851c7 ("drm/ttm: move swapout logic around v3")
Link: https://patchwork.freedesktop.org/patch/msgid/20210907040832.1107747-1-xinhui.pan@amd.com
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
- Make some dma-buf config options depend on DMA_SHARED_BUFFER.
- Handle multiplication overflow of fbdev xres/yres in the core.
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Merge tag 'drm-misc-next-fixes-2021-09-09' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next-fixes for v5.15:
- Make some dma-buf config options depend on DMA_SHARED_BUFFER.
- Handle multiplication overflow of fbdev xres/yres in the core.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/37c5fe2e-5be8-45c3-286b-d8d536a5cef2@linux.intel.com
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Merge tag '5.15-rc-ksmbd-part2' of git://git.samba.org/ksmbd
Pull ksmbd fixes from Steve French:
- various fixes pointed out by coverity, and a minor cleanup patch
- id mapping and ownership fixes
- an smbdirect fix
* tag '5.15-rc-ksmbd-part2' of git://git.samba.org/ksmbd:
ksmbd: fix control flow issues in sid_to_id()
ksmbd: fix read of uninitialized variable ret in set_file_basic_info
ksmbd: add missing assignments to ret on ndr_read_int64 read calls
ksmbd: add validation for ndr read/write functions
ksmbd: remove unused ksmbd_file_table_flush function
ksmbd: smbd: fix dma mapping error in smb_direct_post_send_data
ksmbd: Reduce error log 'speed is unknown' to debug
ksmbd: defer notify_change() call
ksmbd: remove setattr preparations in set_file_basic_info()
ksmbd: ensure error is surfaced in set_file_basic_info()
ndr: fix translation in ndr_encode_posix_acl()
ksmbd: fix translation in sid_to_id()
ksmbd: fix subauth 0 handling in sid_to_id()
ksmbd: fix translation in acl entries
ksmbd: fix translation in ksmbd_acls_fattr()
ksmbd: fix translation in create_posix_rsp_buf()
ksmbd: fix translation in smb2_populate_readdir_entry()
ksmbd: fix lookup on idmapped mounts
Rename xbc_node_find_child() to xbc_node_find_subkey() for
clarifying that function returns a key node (no value node).
Since there are xbc_node_for_each_child() (loop on all child
nodes) and xbc_node_for_each_subkey() (loop on only subkey
nodes), this name distinction is necessary to avoid confusing
users.
Link: https://lkml.kernel.org/r/163119459826.161018.11200274779483115300.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Since xbc_node_find_child() doesn't ensure the returned node
is a leaf node (key-value pair or do not have subkeys),
use xbc_node_find_value to ensure the histogram control
parameter is a leaf node in trace_boot_compose_hist_cmd().
Link: https://lkml.kernel.org/r/163119459059.161018.18341288218424528962.stgit@devnote2
Fixes: e66ed86ca6 ("tracing/boot: Add per-event histogram action options")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
trace_boot_hist_add_array() uses the combination of
xbc_node_find_child() and xbc_node_get_child() to get the
child node of the key node. But since it missed to check
the child node is data node or not, user can pass the
subkey node for the array node (anode).
To avoid this issue, check the array node is a data node.
Actually, there is xbc_node_find_value(node, key, vnode),
which ensures the @vnode is a value node, so use it in
trace_boot_hist_add_array() to fix this issue.
Link: https://lkml.kernel.org/r/163119458308.161018.1516455973625940212.stgit@devnote2
Fixes: e66ed86ca6 ("tracing/boot: Add per-event histogram action options")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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Merge tag 'for-5.15-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- fix max_inline mount option limit on 64k page system
- lockdep fixes:
- update bdev time in a safer way
- move bdev put outside of sb write section when removing device
- fix possible deadlock when mounting seed/sprout filesystem
- zoned mode: fix split extent accounting
- minor include fixup
* tag 'for-5.15-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: zoned: fix double counting of split ordered extent
btrfs: fix lockdep warning while mounting sprout fs
btrfs: delay blkdev_put until after the device remove
btrfs: update the bdev time directly when closing
btrfs: use correct header for div_u64 in misc.h
btrfs: fix upper limit for max_inline for page size 64K
A collection of small fixes that have been gathered before rc1,
including a few regression fixes for the problem in the previous
pull request.
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Merge tag 'sound-fix-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes that have been gathered before rc1,
including a few regression fixes for the problem in the previous pull
request"
* tag 'sound-fix-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: gus: Fix repeated probe for ISA interwave card
ALSA: gus: Fix repeated probes of snd_gus_create()
ALSA: vx222: fix null-ptr-deref
ASoC: rockchip: i2s: Fix concurrency between tx/rx
ASoC: mt8195: correct the dts parsing logic about DPTX and HDMITX
ASoC: Intel: boards: Fix CONFIG_SND_SOC_SDW_MOCKUP select
ASoC: dt-bindings: fsl_rpmsg: Add compatible string for i.MX8ULP
ALSA: usb-audio: Add registration quirk for JBL Quantum 800
ASoC: rt5682: fix headset background noise when S3 state
ASoC: dt-bindings: mt8195: remove dependent headers in the example
ASoC: mediatek: SND_SOC_MT8195 should depend on ARCH_MEDIATEK
ASoC: samsung: s3c24xx_simtec: fix spelling mistake "devicec" -> "device"
ASoC: audio-graph: respawn Platform Support
ASoC: mediatek: mt8195: add MTK_PMIC_WRAP dependency
Cached root file was not being completely invalidated sometimes.
Reproducing:
- With a DFS share with 2 targets, one disabled and one enabled
- start some I/O on the mount
# while true; do ls /mnt/dfs; done
- at the same time, disable the enabled target and enable the disabled
one
- wait for DFS cache to expire
- on reconnect, the previous cached root handle should be invalid, but
open_cached_dir_by_dentry() will still try to use it, but throws a
use-after-free warning (kref_get())
Make smb2_close_cached_fid() invalidate all fields every time, but only
send an SMB2_close() when the entry is still valid.
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
Remove CONFIG_SET_FS from parisc, so we need to add
__get_kernel_nofault() and __put_kernel_nofault(), define
HAVE_GET_KERNEL_NOFAULT and remove set_fs(), get_fs(), load_sr2(),
thread_info->addr_limit, KERNEL_DS and USER_DS.
The nice side-effect of this patch is that we now can directly access
userspace via sr3 without the need to use a temporary sr2 which is
either copied from sr3 or set to zero (for kernel space).
Signed-off-by: Helge Deller <deller@gmx.de>
Suggested-by: Arnd Bergmann <arnd@kernel.org>
- Support for VMAP_STACK
- Support for splice_write in hostfs
- Fixes for virt-pci
- Fixes for virtio_uml
- Various fixes
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Merge tag 'for-linus-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML updates from Richard Weinberger:
- Support for VMAP_STACK
- Support for splice_write in hostfs
- Fixes for virt-pci
- Fixes for virtio_uml
- Various fixes
* tag 'for-linus-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: fix stub location calculation
um: virt-pci: fix uapi documentation
um: enable VMAP_STACK
um: virt-pci: don't do DMA from stack
hostfs: support splice_write
um: virtio_uml: fix memory leak on init failures
um: virtio_uml: include linux/virtio-uml.h
lib/logic_iomem: fix sparse warnings
um: make PCI emulation driver init/exit static
In case of error, the function devm_platform_ioremap_resource()
returns ERR_PTR() and never returns NULL. The NULL test in the
return value check should be replaced with IS_ERR().
Fixes: d9b2a2bbbb ("block: Add n64 cart driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20210909090608.2989716-1-yangyingliang@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
- Add migrate-disable counter to tracing header
- Fix error handling in event probes
- Fix missed unlock in osnoise in error path
- Fix merge issue with tools/bootconfig
- Clean up bootconfig data when init memory is removed
- Fix bootconfig to loop only on subkeys
- Have kernel command lines override bootconfig options
- Increase field counts for synthetic events
- Have histograms dynamic allocate event elements to save space
- Fixes in testing and documentation
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Merge tag 'trace-v5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull more tracing updates from Steven Rostedt:
- Add migrate-disable counter to tracing header
- Fix error handling in event probes
- Fix missed unlock in osnoise in error path
- Fix merge issue with tools/bootconfig
- Clean up bootconfig data when init memory is removed
- Fix bootconfig to loop only on subkeys
- Have kernel command lines override bootconfig options
- Increase field counts for synthetic events
- Have histograms dynamic allocate event elements to save space
- Fixes in testing and documentation
* tag 'trace-v5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing/boot: Fix to loop on only subkeys
selftests/ftrace: Exclude "(fault)" in testing add/remove eprobe events
tracing: Dynamically allocate the per-elt hist_elt_data array
tracing: synth events: increase max fields count
tools/bootconfig: Show whole test command for each test case
bootconfig: Fix missing return check of xbc_node_compose_key function
tools/bootconfig: Fix tracing_on option checking in ftrace2bconf.sh
docs: bootconfig: Add how to use bootconfig for kernel parameters
init/bootconfig: Reorder init parameter from bootconfig and cmdline
init: bootconfig: Remove all bootconfig data when the init memory is removed
tracing/osnoise: Fix missed cpus_read_unlock() in start_per_cpu_kthreads()
tracing: Fix some alloc_event_probe() error handling bugs
tracing: Add migrate-disabled counter to tracing output.
- Fix topology update on cpu hotplug, so notifiers see expected masks. This bug
was uncovered with SCHED_CORE support.
- Fix stack unwinding so that the correct number of entries are omitted like
expected by common code. This fixes KCSAN selftests.
- Add kmemleak annotation to stack_alloc to avoid false positive kmemleak
warnings.
- Avoid layering violation in common I/O code and don't unregister subchannel
from child-drivers.
- Remove xpram device driver for which no real use case exists since the kernel
is 64 bit only. Also all hypervisors got required support removed in the
meantime, which means the xpram device driver is dead code.
- Fix -ENODEV handling of clp_get_state in our PCI code.
- Enable KFENCE in debug defconfig.
- Cleanup hugetlbfs s390 specific Kconfig dependency.
- Quite a lot of trivial fixes to get rid of "W=1" warnings, and and other
simple cleanups.
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Merge tag 's390-5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Heiko Carstens:
"Except for the xpram device driver removal it is all about fixes and
cleanups.
- Fix topology update on cpu hotplug, so notifiers see expected
masks. This bug was uncovered with SCHED_CORE support.
- Fix stack unwinding so that the correct number of entries are
omitted like expected by common code. This fixes KCSAN selftests.
- Add kmemleak annotation to stack_alloc to avoid false positive
kmemleak warnings.
- Avoid layering violation in common I/O code and don't unregister
subchannel from child-drivers.
- Remove xpram device driver for which no real use case exists since
the kernel is 64 bit only. Also all hypervisors got required
support removed in the meantime, which means the xpram device
driver is dead code.
- Fix -ENODEV handling of clp_get_state in our PCI code.
- Enable KFENCE in debug defconfig.
- Cleanup hugetlbfs s390 specific Kconfig dependency.
- Quite a lot of trivial fixes to get rid of "W=1" warnings, and and
other simple cleanups"
* tag 's390-5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
hugetlbfs: s390 is always 64bit
s390/ftrace: remove incorrect __va usage
s390/zcrypt: remove incorrect kernel doc indicators
scsi: zfcp: fix kernel doc comments
s390/sclp: add __nonstring annotation
s390/hmcdrv_ftp: fix kernel doc comment
s390: remove xpram device driver
s390/pci: read clp_list_pci_req only once
s390/pci: fix clp_get_state() handling of -ENODEV
s390/cio: fix kernel doc comment
s390/ctrlchar: fix kernel doc comment
s390/con3270: use proper type for tasklet function
s390/cpum_cf: move array from header to C file
s390/mm: fix kernel doc comments
s390/topology: fix topology information when calling cpu hotplug notifiers
s390/unwind: use current_frame_address() to unwind current task
s390/configs: enable CONFIG_KFENCE in debug_defconfig
s390/entry: make oklabel within CHKSTG macro local
s390: add kmemleak annotation in stack_alloc()
s390/cio: dont unregister subchannel from child-drivers
Pull gfs2 setattr updates from Al Viro:
"Make it possible for filesystems to use a generic 'may_setattr()' and
switch gfs2 to using it"
* 'work.gfs2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
gfs2: Switch to may_setattr in gfs2_setattr
fs: Move notify_change permission checks into may_setattr
Pull root filesystem type handling updates from Al Viro:
"Teach init/do_mounts.c to handle non-block filesystems, hopefully
preventing even more special-cased kludges (such as root=/dev/nfs,
etc)"
* 'work.init' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fs: simplify get_filesystem_list / get_all_fs_names
init: allow mounting arbitrary non-blockdevice filesystems as root
init: split get_fs_names
Pull iov_iter fixes from Al Viro:
"Fixes for io-uring handling of iov_iter reexpands"
* 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
io_uring: reexpand under-reexpanded iters
iov_iter: track truncated size
- Fix detection of CXL host bridges to filter out disabled ACPI0016
devices in the ACPI DSDT.
- Fix kernel lockdown integration to disable raw commands when raw PCI
access is disabled.
- Fix a broken debug message.
- Add support for "Get Partition Info". I.e. enumerate the split between
volatile and persistent capacity on bi-modal CXL memory expanders.
- Re-factor the core by subject area. This is a work in progress.
- Prepare libnvdimm to understand CXL labels in addition to EFI labels.
This is a work in progress.
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Merge tag 'cxl-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull CXL (Compute Express Link) updates from Dan Williams:
- Fix detection of CXL host bridges to filter out disabled ACPI0016
devices in the ACPI DSDT.
- Fix kernel lockdown integration to disable raw commands when raw PCI
access is disabled.
- Fix a broken debug message.
- Add support for "Get Partition Info". I.e. enumerate the split
between volatile and persistent capacity on bi-modal CXL memory
expanders.
- Re-factor the core by subject area. This is a work in progress.
- Prepare libnvdimm to understand CXL labels in addition to EFI labels.
This is a work in progress.
* tag 'cxl-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (25 commits)
cxl/registers: Fix Documentation warning
cxl/pmem: Fix Documentation warning
cxl/uapi: Fix defined but not used warnings
cxl/pci: Fix debug message in cxl_probe_regs()
cxl/pci: Fix lockdown level
cxl/acpi: Do not add DSDT disabled ACPI0016 host bridge ports
libnvdimm/labels: Add claim class helpers
libnvdimm/labels: Add type-guid helpers
libnvdimm/labels: Add blk special cases for nlabel and position helpers
libnvdimm/labels: Add blk isetcookie set / validation helpers
libnvdimm/labels: Add a checksum calculation helper
libnvdimm/labels: Introduce label setter helpers
libnvdimm/labels: Add isetcookie validation helper
libnvdimm/labels: Introduce getters for namespace label fields
cxl/mem: Adjust ram/pmem range to represent DPA ranges
cxl/mem: Account for partitionable space in ram/pmem ranges
cxl/pci: Store memory capacity values
cxl/pci: Simplify register setup
cxl/pci: Ignore unknown register block types
cxl/core: Move memdev management to core
...
- Fix a race condition in the teardown path of raw mode pmem namespaces.
- Cleanup the code that filesystems use to detect filesystem-dax
capabilities of their underlying block device.
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Merge tag 'libnvdimm-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updates from Dan Williams:
- Fix a race condition in the teardown path of raw mode pmem
namespaces.
- Cleanup the code that filesystems use to detect filesystem-dax
capabilities of their underlying block device.
* tag 'libnvdimm-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
dax: remove bdev_dax_supported
xfs: factor out a xfs_buftarg_is_dax helper
dax: stub out dax_supported for !CONFIG_FS_DAX
dax: remove __generic_fsdax_supported
dax: move the dax_read_lock() locking into dax_supported
dax: mark dax_get_by_host static
dm: use fs_dax_get_by_bdev instead of dax_get_by_host
dax: stop using bdevname
fsdax: improve the FS_DAX Kconfig description and help text
libnvdimm/pmem: Fix crash triggered when I/O in-flight during unbind
An important error case regression fixes in mlx5:
- Wrong size used when computing the error path smaller allocation request
leads to corruption
- Confusing but ultimately harmless alignment mis-calculation
- Static checker warnings:
Null pointer subtraction in qib
kcalloc in bnxt_re
Missing static on global variable in hfi1
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"I don't usually send a second PR in the merge window, but the fix to
mlx5 is significant enough that it should start going through the
process ASAP. Along with it comes some of the usual -rc stuff that
would normally wait for a -rc2 or so.
Summary:
Important error case regression fixes in mlx5:
- Wrong size used when computing the error path smaller allocation
request leads to corruption
- Confusing but ultimately harmless alignment mis-calculation
Static checker warning fixes:
- NULL pointer subtraction in qib
- kcalloc in bnxt_re
- Missing static on global variable in hfi1"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
IB/hfi1: make hist static
RDMA/bnxt_re: Prefer kcalloc over open coded arithmetic
IB/qib: Fix null pointer subtraction compiler warning
RDMA/mlx5: Fix xlt_chunk_align calculation
RDMA/mlx5: Fix number of allocated XLT entries
New drivers/devices
- Support for Renesas RZ/G2L dma controller
- New driver for AMD PTDMA controller
Updates:
- Big pile of idxd updates
- Updates for Altera driver, stm32-dma, dw etc
Also contains, bus_remove_return_void-5.15 to resolve dependencies
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Merge tag 'dmaengine-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"New drivers/devices
- Support for Renesas RZ/G2L dma controller
- New driver for AMD PTDMA controller
Updates:
- Big pile of idxd updates
- Updates for Altera driver, stm32-dma, dw etc"
* tag 'dmaengine-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (83 commits)
dmaengine: sh: fix some NULL dereferences
dmaengine: sh: Fix unused initialization of pointer lmdesc
MAINTAINERS: Fix AMD PTDMA DRIVER entry
dmaengine: ptdma: remove PT_OFFSET to avoid redefnition
dmaengine: ptdma: Add debugfs entries for PTDMA
dmaengine: ptdma: register PTDMA controller as a DMA resource
dmaengine: ptdma: Initial driver for the AMD PTDMA
dmaengine: fsl-dpaa2-qdma: Fix spelling mistake "faile" -> "failed"
dmaengine: idxd: remove interrupt disable for dev_lock
dmaengine: idxd: remove interrupt disable for cmd_lock
dmaengine: idxd: fix setting up priv mode for dwq
dmaengine: xilinx_dma: Set DMA mask for coherent APIs
dmaengine: ti: k3-psil-j721e: Add entry for CSI2RX
dmaengine: sh: Add DMAC driver for RZ/G2L SoC
dmaengine: Extend the dma_slave_width for 128 bytes
dt-bindings: dma: Document RZ/G2L bindings
dmaengine: ioat: depends on !UML
dmaengine: idxd: set descriptor allocation size to threshold for swq
dmaengine: idxd: make submit failure path consistent on desc freeing
dmaengine: idxd: remove interrupt flag for completion list spinlock
...
KVM in nVHE mode divides up its VA space into two equal halves, and
picks the half that does not conflict with the HYP ID map to map its
linear region. This worked fine when the kernel's linear map itself was
guaranteed to cover precisely as many bits of VA space, but this was
changed by commit f4693c2716 ("arm64: mm: extend linear region for
52-bit VA configurations").
The result is that, depending on the placement of the ID map, kernel-VA
to hyp-VA translations may produce addresses that either conflict with
other HYP mappings (including the ID map itself) or generate addresses
outside of the 52-bit addressable range, neither of which is likely to
lead to anything useful.
Given that 52-bit capable cores are guaranteed to implement VHE, this
only affects configurations such as pKVM where we opt into non-VHE mode
even if the hardware is VHE capable. So just for these configurations,
let's limit the kernel linear map to 51 bits and work around the
problem.
Fixes: f4693c2716 ("arm64: mm: extend linear region for 52-bit VA configurations")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20210826165613.60774-1-ardb@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
adc_tm5_register_tzd() registers the thermal zone sensors for all
channels of the thermal monitor. If the registration of one channel
fails the function skips the processing of the remaining channels
and returns an error, which results in _probe() being aborted.
One of the reasons the registration could fail is that none of the
thermal zones is using the channel/sensor, which hardly is a critical
error (if it is an error at all). If this case is detected emit a
warning and continue with processing the remaining channels.
Fixes: ca66dca5ed ("thermal: qcom: add support for adc-tm5 PMIC thermal monitor")
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reported-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210823134726.1.I1dd23ddf77e5b3568625d80d6827653af071ce19@changeid
Add a weak function to process HWP (Hardware P-states) notifications and
move updating HWP_STATUS MSR to this function.
This allows HWP interrupts to be processed by the intel_pstate driver in
HWP mode by overriding the implementation.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210820024006.2347720-1-srinivas.pandruvada@linux.intel.com
Although strictly it is the AMD and Intel drivers which have an existing
expectation of lazy behaviour by default, it ends up being rather
unintuitive to describe this literally in Kconfig. Express it instead as
an architecture dependency, to clarify that it is a valid config-time
decision. The end result is the same since virtio-iommu doesn't support
lazy mode and thus falls back to strict at runtime regardless.
The per-architecture disparity is a matter of historical expectations:
the AMD and Intel drivers have been lazy by default since 2008, and
changing that gets noticed by people asking where their I/O throughput
has gone. Conversely, Arm-based systems with their wider assortment of
IOMMU drivers mostly only support strict mode anyway; only the Arm SMMU
drivers have later grown support for passthrough and lazy mode, for
users who wanted to explicitly trade off isolation for performance.
These days, reducing the default level of isolation in a way which may
go unnoticed by users who expect otherwise hardly seems worth risking
for the sake of one line of Kconfig, so here's where we are.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/69a0c6f17b000b54b8333ee42b3124c1d5a869e2.1631105737.git.robin.murphy@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
pasid_mutex and dev->iommu->param->lock are held while unbinding mm is
flushing IO page fault workqueue and waiting for all page fault works to
finish. But an in-flight page fault work also need to hold the two locks
while unbinding mm are holding them and waiting for the work to finish.
This may cause an ABBA deadlock issue as shown below:
idxd 0000:00:0a.0: unbind PASID 2
======================================================
WARNING: possible circular locking dependency detected
5.14.0-rc7+ #549 Not tainted [ 186.615245] ----------
dsa_test/898 is trying to acquire lock:
ffff888100d854e8 (¶m->lock){+.+.}-{3:3}, at:
iopf_queue_flush_dev+0x29/0x60
but task is already holding lock:
ffffffff82b2f7c8 (pasid_mutex){+.+.}-{3:3}, at:
intel_svm_unbind+0x34/0x1e0
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (pasid_mutex){+.+.}-{3:3}:
__mutex_lock+0x75/0x730
mutex_lock_nested+0x1b/0x20
intel_svm_page_response+0x8e/0x260
iommu_page_response+0x122/0x200
iopf_handle_group+0x1c2/0x240
process_one_work+0x2a5/0x5a0
worker_thread+0x55/0x400
kthread+0x13b/0x160
ret_from_fork+0x22/0x30
-> #1 (¶m->fault_param->lock){+.+.}-{3:3}:
__mutex_lock+0x75/0x730
mutex_lock_nested+0x1b/0x20
iommu_report_device_fault+0xc2/0x170
prq_event_thread+0x28a/0x580
irq_thread_fn+0x28/0x60
irq_thread+0xcf/0x180
kthread+0x13b/0x160
ret_from_fork+0x22/0x30
-> #0 (¶m->lock){+.+.}-{3:3}:
__lock_acquire+0x1134/0x1d60
lock_acquire+0xc6/0x2e0
__mutex_lock+0x75/0x730
mutex_lock_nested+0x1b/0x20
iopf_queue_flush_dev+0x29/0x60
intel_svm_drain_prq+0x127/0x210
intel_svm_unbind+0xc5/0x1e0
iommu_sva_unbind_device+0x62/0x80
idxd_cdev_release+0x15a/0x200 [idxd]
__fput+0x9c/0x250
____fput+0xe/0x10
task_work_run+0x64/0xa0
exit_to_user_mode_prepare+0x227/0x230
syscall_exit_to_user_mode+0x2c/0x60
do_syscall_64+0x48/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
other info that might help us debug this:
Chain exists of:
¶m->lock --> ¶m->fault_param->lock --> pasid_mutex
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(pasid_mutex);
lock(¶m->fault_param->lock);
lock(pasid_mutex);
lock(¶m->lock);
*** DEADLOCK ***
2 locks held by dsa_test/898:
#0: ffff888100cc1cc0 (&group->mutex){+.+.}-{3:3}, at:
iommu_sva_unbind_device+0x53/0x80
#1: ffffffff82b2f7c8 (pasid_mutex){+.+.}-{3:3}, at:
intel_svm_unbind+0x34/0x1e0
stack backtrace:
CPU: 2 PID: 898 Comm: dsa_test Not tainted 5.14.0-rc7+ #549
Hardware name: Intel Corporation Kabylake Client platform/KBL S
DDR4 UD IMM CRB, BIOS KBLSE2R1.R00.X050.P01.1608011715 08/01/2016
Call Trace:
dump_stack_lvl+0x5b/0x74
dump_stack+0x10/0x12
print_circular_bug.cold+0x13d/0x142
check_noncircular+0xf1/0x110
__lock_acquire+0x1134/0x1d60
lock_acquire+0xc6/0x2e0
? iopf_queue_flush_dev+0x29/0x60
? pci_mmcfg_read+0xde/0x240
__mutex_lock+0x75/0x730
? iopf_queue_flush_dev+0x29/0x60
? pci_mmcfg_read+0xfd/0x240
? iopf_queue_flush_dev+0x29/0x60
mutex_lock_nested+0x1b/0x20
iopf_queue_flush_dev+0x29/0x60
intel_svm_drain_prq+0x127/0x210
? intel_pasid_tear_down_entry+0x22e/0x240
intel_svm_unbind+0xc5/0x1e0
iommu_sva_unbind_device+0x62/0x80
idxd_cdev_release+0x15a/0x200
pasid_mutex protects pasid and svm data mapping data. It's unnecessary
to hold pasid_mutex while flushing the workqueue. To fix the deadlock
issue, unlock pasid_pasid during flushing the workqueue to allow the works
to be handled.
Fixes: d5b9e4bfe0 ("iommu/vt-d: Report prq to io-pgfault framework")
Reported-and-tested-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Link: https://lore.kernel.org/r/20210826215918.4073446-1-fenghua.yu@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20210828070622.2437559-3-baolu.lu@linux.intel.com
[joro: Removed timing information from kernel log messages]
Signed-off-by: Joerg Roedel <jroedel@suse.de>
The mm->pasid will be used in intel_svm_free_pasid() after load_pasid()
during unbinding mm. Clearing it in load_pasid() will cause PASID cannot
be freed in intel_svm_free_pasid().
Additionally mm->pasid was updated already before load_pasid() during pasid
allocation. No need to update it again in load_pasid() during binding mm.
Don't update mm->pasid to avoid the issues in both binding mm and unbinding
mm.
Fixes: 4048377414 ("iommu/vt-d: Use iommu_sva_alloc(free)_pasid() helpers")
Reported-and-tested-by: Dave Jiang <dave.jiang@intel.com>
Co-developed-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Link: https://lore.kernel.org/r/20210826215918.4073446-1-fenghua.yu@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20210828070622.2437559-2-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Since the function has been simplified and only call iommu_init_ga_log(),
remove the function and replace with iommu_init_ga_log() instead.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20210820202957.187572-4-suravee.suthikulpanit@amd.com
Fixes: 8bda0cfbdc ("iommu/amd: Detect and initialize guest vAPIC log")
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Currently, iommu_init_ga() checks and disables IOMMU VAPIC support
(i.e. AMD AVIC support in IOMMU) when GAMSup feature bit is not set.
However it forgets to clear IRQ_POSTING_CAP from the previously set
amd_iommu_irq_ops.capability.
This triggers an invalid page fault bug during guest VM warm reboot
if AVIC is enabled since the irq_remapping_cap(IRQ_POSTING_CAP) is
incorrectly set, and crash the system with the following kernel trace.
BUG: unable to handle page fault for address: 0000000000400dd8
RIP: 0010:amd_iommu_deactivate_guest_mode+0x19/0xbc
Call Trace:
svm_set_pi_irte_mode+0x8a/0xc0 [kvm_amd]
? kvm_make_all_cpus_request_except+0x50/0x70 [kvm]
kvm_request_apicv_update+0x10c/0x150 [kvm]
svm_toggle_avic_for_irq_window+0x52/0x90 [kvm_amd]
svm_enable_irq_window+0x26/0xa0 [kvm_amd]
vcpu_enter_guest+0xbbe/0x1560 [kvm]
? avic_vcpu_load+0xd5/0x120 [kvm_amd]
? kvm_arch_vcpu_load+0x76/0x240 [kvm]
? svm_get_segment_base+0xa/0x10 [kvm_amd]
kvm_arch_vcpu_ioctl_run+0x103/0x590 [kvm]
kvm_vcpu_ioctl+0x22a/0x5d0 [kvm]
__x64_sys_ioctl+0x84/0xc0
do_syscall_64+0x33/0x40
entry_SYSCALL_64_after_hwframe+0x44/0xae
Fixes by moving the initializing of AMD IOMMU interrupt remapping mode
(amd_iommu_guest_ir) earlier before setting up the
amd_iommu_irq_ops.capability with appropriate IRQ_POSTING_CAP flag.
[joro: Squashed the two patches and limited
check_features_on_all_iommus() to CONFIG_IRQ_REMAP
to fix a compile warning.]
Signed-off-by: Wei Huang <wei.huang2@amd.com>
Co-developed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20210820202957.187572-2-suravee.suthikulpanit@amd.com
Link: https://lore.kernel.org/r/20210820202957.187572-3-suravee.suthikulpanit@amd.com
Fixes: 8bda0cfbdc ("iommu/amd: Detect and initialize guest vAPIC log")
Signed-off-by: Joerg Roedel <jroedel@suse.de>
We check at runtime if the cr16 clocks are stable across CPUs. Only mark
the sched_clock unstable by calling clear_sched_clock_stable() if we
know that we run on a system which isn't syncronized across CPUs.
Signed-off-by: Helge Deller <deller@gmx.de>
parisc build test images fail to compile with the following error.
drivers/parisc/dino.c:160:12: error:
'pci_dev_is_behind_card_dino' defined but not used
Move the function just ahead of its only caller to avoid the error.
Fixes: 5fa1659105 ("parisc: Disable HP HSC-PCI Cards to prevent kernel crash")
Cc: Helge Deller <deller@gmx.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Helge Deller <deller@gmx.de>
