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Pick up a fix for a warning that several people reported.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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radeon_ttm_bo_destroy() is attempting to access the resource object to
update memory counters. However, the resource object is already freed when
ttm calls this function via the destroy callback. This causes an oops when
a bo is freed:
BUG: kernel NULL pointer dereference, address: 0000000000000010
RIP: 0010:radeon_ttm_bo_destroy+0x2c/0x100 [radeon]
Call Trace:
radeon_bo_unref+0x1a/0x30 [radeon]
radeon_gem_object_free+0x33/0x50 [radeon]
drm_gem_object_release_handle+0x69/0x70 [drm]
drm_gem_handle_delete+0x62/0xa0 [drm]
? drm_mode_destroy_dumb+0x40/0x40 [drm]
drm_ioctl_kernel+0xb2/0xf0 [drm]
drm_ioctl+0x30a/0x3c0 [drm]
? drm_mode_destroy_dumb+0x40/0x40 [drm]
radeon_drm_ioctl+0x49/0x80 [radeon]
__x64_sys_ioctl+0x8e/0xd0
Avoid the issue by updating the counters in the delete_mem_notify callback
instead. Also, fix memory statistic updating in radeon_bo_move() to
identify the source type correctly. The source type needs to be saved
before the move, because the moved from object may be altered by the move.
Fixes: bfa3357ef9ab ("drm/ttm: allocate resource object instead of embedding it v2")
Signed-off-by: Mikel Rychliski <mikel@mikelr.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210624045121.15643-1-mikel@mikelr.com
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When unused memory map is freed the preserved part of the memory map is
extended to match pageblock boundaries because lots of core mm
functionality relies on homogeneity of the memory map within pageblock
boundaries.
Since pfn_valid() is used to check whether there is a valid memory map
entry for a PFN, make it return true also for PFNs that have memory map
entries even if there is no actual memory populated there.
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Tested-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Tested-by: Tony Lindgren <tony@atomide.com>
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There maybe an overflow in memblock_overlaps_region() if it is called with
base and size such that
base + size > PHYS_ADDR_MAX
Make sure that memblock_overlaps_region() caps the size to prevent such
overflow and remove now duplicated call to memblock_cap_size() from
memblock_is_region_reserved().
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Tested-by: Tony Lindgren <tony@atomide.com>
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When CONFIG_SPARSEMEM=y the ranges of the memory map that are freed are not
aligned to the pageblock boundaries which breaks assumptions about
homogeneity of the memory map throughout core mm code.
Make sure that the freed memory map is always aligned on pageblock
boundaries regardless of the memory model selection.
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Tested-by: Tony Lindgren <tony@atomide.com>
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The code that frees unused memory map uses rounds start and end of the
holes that are freed to MAX_ORDER_NR_PAGES to preserve continuity of the
memory map for MAX_ORDER regions.
Lots of core memory management functionality relies on homogeneity of the
memory map within each pageblock which size may differ from MAX_ORDER in
certain configurations.
Although currently, for the architectures that use free_unused_memmap(),
pageblock_order and MAX_ORDER are equivalent, it is cleaner to have common
notation thought mm code.
Replace MAX_ORDER_NR_PAGES with pageblock_nr_pages and update the comments
to make it more clear why the alignment to pageblock boundaries is
required.
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Tested-by: Tony Lindgren <tony@atomide.com>
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- patch series that ensures that hid-multitouch driver disables touch and
button-press reporting on hid-mt devices during suspend when the device is
not configured as a wakeup-source, from Hans de Goede
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- support for LCD menu keys + LCD brightness control on the Logitech Z-10
speakers (with LCD) which use the same protocol as the G15 keyboards
from Hans de Goede
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- support for ISH DMA on EHL platform from Even Xu
- various code style fixes and cleanups from Lee Jones and Uwe Kleine-König
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- device tree match for Google Whiskers device from Ikjoon Jang
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- device unbinding locking fix from Dmitry Torokhov
- support for programmable buttons (mapping to KEY_MACRO# event codes)
from Thomas Weißschuh
- various other small fixes and code style improvements
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- support for Renoir and Cezanne SoCs
- support for Ambient Light Sensor
- support for Human Presence Detection sensor
all from Basavaraj Natikar
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git://anongit.freedesktop.org/drm/drm-intel into drm-next
The biggest fix is the restoration of mmap ioctl for gen12 integrated parts
which lack was breaking ADL-P with media stack.
Besides that a small selftest fix and a theoretical overflow on
i915->pipe_to_crtc_mapping.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YNtsfguvCRSROBUZ@intel.com
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
Short summary of fixes pull:
* amdgpu: Fix test for allocation failures
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YNQxVybBGdjLMUQJ@linux-uq9g
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Enable gpu recovery for beige_goby.
Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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v3: updated patch to apply to latest code
v2: reorder to check pointers before calling pm_runtime_* functions
created generic function and call with enum from
* amdgpu_hwmon_show_power_cap_max
* amdgpu_hwmon_show_power_cap
* amdgpu_hwmon_show_power_cap_default
=== Test ===
AMDGPU_PCI_ADDR=`lspci -nn | grep "VGA\|Display" | cut -d " " -f 1`
AMDGPU_HWMON=`ls -la /sys/class/hwmon | grep $AMDGPU_PCI_ADDR | cut -d " " -f 10`
HWMON_DIR=/sys/class/hwmon/${AMDGPU_HWMON}
cp pp_show_power_cap.txt{,.old}
lspci -nn | grep "VGA\|Display" > pp_show_power_cap.test.log
FILES="
power1_cap
power1_cap_max
power1_cap_default "
for f in $FILES
do
echo $f = `cat $HWMON_DIR/$f` >> pp_show_power_cap.test.log
done
Signed-off-by: Darren Powell <darren.powell@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Remove unused variable.
Fixes: e7d9560aeae514 ("Revert "drm/amd/display: Fix overlay validation by considering cursors"")
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This reverts commit 33f409e60eb0c59a4d0d06a62ab4642a988e17f7.
The patch that we are reverting here was originally applied because it
fixes multiple IGT issues and flickering in Android. However, after a
discussion with Sean Paul and Mark, it looks like that this patch might
cause problems on ChromeOS. For this reason, we decided to revert this
patch.
Cc: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Cc: Harry Wentland <Harry.Wentland@amd.com>
Cc: Hersen Wu <hersenxs.wu@amd.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Mark Yacoub <markyacoub@chromium.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Added the Beige Goby capabilities in codec query.
v2: fix build error and indent (James)
Signed-off-by: Veerabadhran Gopalakrishnan <veerabadhran.gopalakrishnan@amd.com>
Reviewed-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The tmz functions are verified on yellow carp. So enable it by
default.
Signed-off-by: Aaron Liu <aaron.liu@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Add helper function to get process device data structure from adev to
update counters.
Update vm faults, page_in, page_out counters will no be executed in
parallel, use WRITE_ONCE to avoid any form of compiler optimizations.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This is part of SVM profiling API, export sysfs counters for
per-process, per-GPU vm retry fault, pages migrated in and out of GPU vram.
counters will not be updated in parallel in GPU retry fault handler and
migration to vram/ram path, use READ_ONCE to avoid compiler
optimization.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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3 cases of kobj leak, which causes memory leak:
kobj_type must have release() method to free memory from release
callback. Don't need NULL default_attrs to init kobj.
sysfs files created under kobj_status should be removed with kobj_status
as parent kobject.
Remove queue sysfs files when releasing queue from process MMU notifier
release callback.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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No functionality change. Modify kfd_sysfs_create_file to use kobject as
parameter, so it becomes common helper function to remove duplicate code
and will simplify new kfd sysfs file create in future.
Move pr_warn to helper function if sysfs file create failed. Set helper
function as void return because caller doesn't use the helper function
return value.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Avoid unnecessary register programming on feature disablement.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Update GFX MGCG related settings.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Clock gating setting is still performed even when the corresponding
CG feature is not supported. And the tricky part is disablement is
actually performed no matter for enablement or disablement request.
That seems not logically right.
Considering HW should already properly take care of the CG state, we
will just skip the corresponding clock gating setting when the feature
is not supported.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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SMU had set all the necessary fields for a link width switch
but the width switch wasn't occurring because the link was idle
in the L1 state. Setting LC_L1_RECONFIG_EN=0x1 will allow width
switches to also be initiated while in L1 instead of waiting until
the link is back in L0.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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A lot of NAK-G being generated when link widht switching is happening.
WA for this issue is to program the SPC to 4 symbols per clock during
bootup when the native PCIE width is x4.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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invalidaiton
Fix TCP hang when a lightweight invalidation happens on Navi1x.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Add missing settings for SQC bits. And correct some confusing logics
around active wgp bitmap calculation.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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When unloading driver, if VCN is powered on, sending message
DisableAllSmuFeatures to SMU will cause SMU hang. We need to
power down VCN and JPEG before clean up SMU.
Signed-off-by: Chengzhe Liu <ChengZhe.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
Sometimes, DP receiver chip power-controlled externally by an
Embedded Controller could be treated and used as eDP,
if it drives mobile display. In this case,
we shouldn't be doing power-sequencing, hence we can skip
waiting for T7-ready and T9-ready."
[How]
Added a feature mask to enable eDP no power sequencing feature.
To enable this, set 0x10 flag in amdgpu.dcfeaturemask on
Linux command line.
Signed-off-by: Zhan Liu <zhan.liu@amd.com>
Reviewed-by: Nikola Cornij <Nikola.Cornij@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
Pull dlm updates from David Teigland:
"This is a major dlm networking enhancement that adds message
retransmission so that the dlm can reliably continue operating when
network connections fail and nodes reconnect.
Previously, this would result in lost messages which could only be
handled as a node failure"
* tag 'dlm-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm: (26 commits)
fs: dlm: invalid buffer access in lookup error
fs: dlm: fix race in mhandle deletion
fs: dlm: rename socket and app buffer defines
fs: dlm: introduce proto values
fs: dlm: move dlm allow conn
fs: dlm: use alloc_ordered_workqueue
fs: dlm: fix memory leak when fenced
fs: dlm: fix lowcomms_start error case
fs: dlm: Fix spelling mistake "stucked" -> "stuck"
fs: dlm: Fix memory leak of object mh
fs: dlm: don't allow half transmitted messages
fs: dlm: add midcomms debugfs functionality
fs: dlm: add reliable connection if reconnect
fs: dlm: add union in dlm header for lockspace id
fs: dlm: move out some hash functionality
fs: dlm: add functionality to re-transmit a message
fs: dlm: make buffer handling per msg
fs: dlm: add more midcomms hooks
fs: dlm: public header in out utility
fs: dlm: fix connection tcp EOF handling
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 updates from Andreas Gruenbacher:
"Various minor gfs2 cleanups and fixes"
* tag 'gfs2-v5.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: Clean up gfs2_unstuff_dinode
gfs2: Unstuff before locking page in gfs2_page_mkwrite
gfs2: Clean up the error handling in gfs2_page_mkwrite
gfs2: Fix error handling in init_statfs
gfs2: Fix underflow in gfs2_page_mkwrite
gfs2: Use list_move_tail instead of list_del/list_add_tail
gfs2: Fix do_gfs2_set_flags description
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Pull cifs updates from Steve French:
- improve fallocate emulation
- DFS fixes
- minor multichannel fixes
- various cleanup patches, many to address Coverity warnings
* tag '5.14-rc-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6: (38 commits)
smb3: prevent races updating CurrentMid
cifs: fix missing spinlock around update to ses->status
cifs: missing null pointer check in cifs_mount
smb3: fix possible access to uninitialized pointer to DACL
cifs: missing null check for newinode pointer
cifs: remove two cases where rc is set unnecessarily in sid_to_id
SMB3: Add new info level for query directory
cifs: fix NULL dereference in smb2_check_message()
smbdirect: missing rc checks while waiting for rdma events
cifs: Avoid field over-reading memcpy()
smb311: remove dead code for non compounded posix query info
cifs: fix SMB1 error path in cifs_get_file_info_unix
smb3: fix uninitialized value for port in witness protocol move
cifs: fix unneeded null check
cifs: use SPDX-Licence-Identifier
cifs: convert list_for_each to entry variant in cifs_debug.c
cifs: convert list_for_each to entry variant in smb2misc.c
cifs: avoid extra calls in posix_info_parse
cifs: retry lookup and readdir when EAGAIN is returned.
cifs: fix check of dfs interlinks
...
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git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull openat2 fixes from Christian Brauner:
- Remove the unused VALID_UPGRADE_FLAGS define we carried from an
extension to openat2() that we haven't merged. Aleksa might be
getting back to it at some point but just not right now.
- openat2() used to accidently ignore unknown flag values in the upper
32 bits.
The new openat2() syscall verifies that no unknown O-flag values are
set and returns an error to userspace if they are while the older
open syscalls like open() and openat() simply ignore unknown flag
values:
#define O_FLAG_CURRENTLY_INVALID (1 << 31)
struct open_how how = {
.flags = O_RDONLY | O_FLAG_CURRENTLY_INVALID,
.resolve = 0,
};
/* fails */
fd = openat2(-EBADF, "/dev/null", &how, sizeof(how));
/* succeeds */
fd = openat(-EBADF, "/dev/null", O_RDONLY | O_FLAG_CURRENTLY_INVALID);
However, openat2() silently truncates the upper 32 bits meaning:
#define O_FLAG_CURRENTLY_INVALID_LOWER32 (1 << 31)
#define O_FLAG_CURRENTLY_INVALID_UPPER32 (1 << 40)
struct open_how how_lowe32 = {
.flags = O_RDONLY | O_FLAG_CURRENTLY_INVALID_LOWER32,
};
struct open_how how_upper32 = {
.flags = O_RDONLY | O_FLAG_CURRENTLY_INVALID_UPPER32,
};
/* fails */
fd = openat2(-EBADF, "/dev/null", &how_lower32, sizeof(how_lower32));
/* succeeds */
fd = openat2(-EBADF, "/dev/null", &how_upper32, sizeof(how_upper32));
Fix this by preventing the immediate truncation in build_open_flags()
and add a compile-time check to catch when we add flags in the upper
32 bit range.
* tag 'fs.openat2.unknown_flags.v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
test: add openat2() test for invalid upper 32 bit flag value
open: don't silently ignore unknown O-flags in openat2()
fcntl: remove unused VALID_UPGRADE_FLAGS
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git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull mount_setattr updates from Christian Brauner:
"A few releases ago the old mount API gained support for a mount
options which prevents following symlinks on a given mount. This adds
support for it in the new mount api through the MOUNT_ATTR_NOSYMFOLLOW
flag via mount_setattr() and fsmount(). With mount_setattr() that flag
can even be applied recursively.
There's an additional ack from Ross Zwisler who originally authored
the nosymfollow patch. As I've already had the patches in my for-next
I didn't add his ack explicitly"
* tag 'fs.mount_setattr.nosymfollow.v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
tests: test MOUNT_ATTR_NOSYMFOLLOW with mount_setattr()
mount: Support "nosymfollow" in new mount api
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After s_error_count is incremented, signal the change in the
corresponding sysfs attribute via sysfs_notify. This allows userspace to
poll() on changes to /sys/fs/ext4/*/errors_count.
[ Moved call of ext4_notify_error_sysfs() to flush_stashed_error_work()
to avoid BUG's caused by calling sysfs_notify trying to sleep after
being called from an invalid context. -- TYT ]
Signed-off-by: Jonathan Davies <jonathan.davies@nutanix.com>
Link: https://lore.kernel.org/r/20210611140209.28903-1-jonathan.davies@nutanix.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Header 'rt305x.h' is ralink architecture dependent file where
other general definitions which are in 'ralink_regs.h' are
being used. This 'rt305x.h' is only being included in two
different files: 'rt305x.c' and 'pinctrl-rt305x.c'. When
file 'pinctrl-rt305x.c' is being compiled definitions in
'ralink_regs.h' are need to build it properly. Hence, add
missing include 'ralink_regs.h' in 'pinctrl-rt305x.c'
source to avoid compilation problems.
Fixes: 3a1b0ca5a83b ("pinctrl: ralink: move RT305X SoC pinmux config into a new 'pinctrl-rt305x.c' file")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20210629143407.14703-1-sergio.paracuellos@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Merge misc updates from Andrew Morton:
"191 patches.
Subsystems affected by this patch series: kthread, ia64, scripts,
ntfs, squashfs, ocfs2, kernel/watchdog, and mm (gup, pagealloc, slab,
slub, kmemleak, dax, debug, pagecache, gup, swap, memcg, pagemap,
mprotect, bootmem, dma, tracing, vmalloc, kasan, initialization,
pagealloc, and memory-failure)"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (191 commits)
mm,hwpoison: make get_hwpoison_page() call get_any_page()
mm,hwpoison: send SIGBUS with error virutal address
mm/page_alloc: split pcp->high across all online CPUs for cpuless nodes
mm/page_alloc: allow high-order pages to be stored on the per-cpu lists
mm: replace CONFIG_FLAT_NODE_MEM_MAP with CONFIG_FLATMEM
mm: replace CONFIG_NEED_MULTIPLE_NODES with CONFIG_NUMA
docs: remove description of DISCONTIGMEM
arch, mm: remove stale mentions of DISCONIGMEM
mm: remove CONFIG_DISCONTIGMEM
m68k: remove support for DISCONTIGMEM
arc: remove support for DISCONTIGMEM
arc: update comment about HIGHMEM implementation
alpha: remove DISCONTIGMEM and NUMA
mm/page_alloc: move free_the_page
mm/page_alloc: fix counting of managed_pages
mm/page_alloc: improve memmap_pages dbg msg
mm: drop SECTION_SHIFT in code comments
mm/page_alloc: introduce vm.percpu_pagelist_high_fraction
mm/page_alloc: limit the number of pages on PCP lists when reclaim is active
mm/page_alloc: scale the number of pages that are batch freed
...
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Change location of rdma_restrack_del() to fix the bug where
task_struct was acquired but not released, causing to resource leak.
ucma_create_id() {
ucma_alloc_ctx();
rdma_create_user_id() {
rdma_restrack_new();
rdma_restrack_set_name() {
rdma_restrack_attach_task.part.0(); <--- task_struct was gotten
}
}
ucma_destroy_private_ctx() {
ucma_put_ctx();
rdma_destroy_id() {
_destroy_id() <--- id_priv was freed
}
}
}
Fixes: 889d916b6f8a ("RDMA/core: Don't access cm_id after its destruction")
Link: https://lore.kernel.org/r/073ec27acb943ca8b6961663c47c5abe78a5c8cc.1624948948.git.leonro@nvidia.com
Reported-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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The "dev->port[i].mp.mpi" is set to NULL during mlx5_ib_unbind_slave_port()
execution, however that field is needed to add device to unaffiliated list.
Such flow causes to the following kernel panic while unloading mlx5_ib
module in multi-port mode, hence the device should be added to the list
prior to unbind call.
RPC: Unregistered rdma transport module.
RPC: Unregistered rdma backchannel transport module.
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0
Oops: 0002 [#1] SMP NOPTI
CPU: 4 PID: 1904 Comm: modprobe Not tainted 5.13.0-rc7_for_upstream_min_debug_2021_06_24_12_08 #1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
RIP: 0010:mlx5_ib_cleanup_multiport_master+0x18b/0x2d0 [mlx5_ib]
Code: 00 04 0f 85 c4 00 00 00 48 89 df e8 ef fa ff ff 48 8b 83 40 0d 00 00 48 8b 15 b9 e8 05 00 4a 8b 44 28 20 48 89 05 ad e8 05 00 <48> c7 00 d0 57 c5 a0 48 89 50 08 48 89 02 39 ab 88 0a 00 00 0f 86
RSP: 0018:ffff888116ee3df8 EFLAGS: 00010296
RAX: 0000000000000000 RBX: ffff8881154f6000 RCX: 0000000000000080
RDX: ffffffffa0c557d0 RSI: ffff88810b69d200 RDI: 000000000002d8a0
RBP: 0000000000000002 R08: ffff888110780408 R09: 0000000000000000
R10: ffff88812452e1c0 R11: fffffffffff7e028 R12: 0000000000000000
R13: 0000000000000080 R14: ffff888102c58000 R15: 0000000000000000
FS: 00007f884393a740(0000) GS:ffff8882f5a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001249f6004 CR4: 0000000000370ea0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
mlx5_ib_stage_init_cleanup+0x16/0xd0 [mlx5_ib]
__mlx5_ib_remove+0x33/0x90 [mlx5_ib]
mlx5r_remove+0x22/0x30 [mlx5_ib]
auxiliary_bus_remove+0x18/0x30
__device_release_driver+0x177/0x220
driver_detach+0xc4/0x100
bus_remove_driver+0x58/0xd0
auxiliary_driver_unregister+0x12/0x20
mlx5_ib_cleanup+0x13/0x897 [mlx5_ib]
__x64_sys_delete_module+0x154/0x230
? exit_to_user_mode_prepare+0x104/0x140
do_syscall_64+0x3f/0x80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f8842e095c7
Code: 73 01 c3 48 8b 0d d9 48 2c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a9 48 2c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffc68f6e758 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0
RAX: ffffffffffffffda RBX: 00005638207929c0 RCX: 00007f8842e095c7
RDX: 0000000000000000 RSI: 0000000000000800 RDI: 0000563820792a28
RBP: 00005638207929c0 R08: 00007ffc68f6d701 R09: 0000000000000000
R10: 00007f8842e82880 R11: 0000000000000206 R12: 0000563820792a28
R13: 0000000000000001 R14: 0000563820792a28 R15: 00007ffc68f6fb40
Modules linked in: xt_MASQUERADE nf_conntrack_netlink nfnetlink iptable_nat xt_addrtype xt_conntrack nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 br_netfilter overlay rdma_ucm ib_iser libiscsi scsi_transport_iscsi rdma_cm iw_cm ib_ipoib ib_cm ib_umad mlx5_ib(-) mlx4_ib ib_uverbs ib_core mlx4_en mlx4_core mlx5_core ptp pps_core [last unloaded: rpcrdma]
CR2: 0000000000000000
---[ end trace a0bb7e20804e9e9b ]---
Fixes: 7ce6095e3bff ("RDMA/mlx5: Don't add slave port to unaffiliated list")
Link: https://lore.kernel.org/r/899ac1b33a995be5ec0e16a4765c4e43c2b1ba5b.1624956444.git.leonro@nvidia.com
Reviewed-by: Itay Aveksis <itayav@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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Trivial conflict in net/netfilter/nf_tables_api.c.
Duplicate fix in tools/testing/selftests/net/devlink_port_split.py
- take the net-next version.
skmsg, and L4 bpf - keep the bpf code but remove the flags
and err params.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Trying to get the AB8500 charging driver working I ran into a bit
of bitrot: we haven't used the driver for a while so errors in
refactorings won't be noticed.
This one is pretty self evident: use argument to the macro or we
end up with a random pointer to something else.
Cc: stable@vger.kernel.org
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Marcus Cooper <codekipper@gmail.com>
Fixes: 297d716f6260 ("power_supply: Change ownership from driver to core")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The continue statement at the end of a for-loop has no effect,
invert the if expression and remove the continue.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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more generic
It turns out that the "T3 MRD" DMI_BOARD_NAME value is used in a lot of
different Cherry Trail x5-z8300 / x5-z8350 based Mini-PC / HDMI-stick
models from Ace PC / Meegopad / MinisForum / Wintel (and likely also
other vendors).
Most of the other DMI strings on these boxes unfortunately contain various
generic values like "Default string" or "$(DEFAULT_STRING)", so we cannot
match on them. These devices do have their chassis-type correctly set to a
value of "3" (desktop) which is a pleasant surprise, so also match on that.
This should avoid the quirk accidentally also getting applied to laptops /
tablets (which do actually have a battery). Although in my quite large
database of Bay and Cherry Trail based devices DMIdecode dumps I don't
have any laptops / tables with a board-name of "T3 MRD", so this should
not be an issue.
BugLink: https://askubuntu.com/questions/1206714/how-can-a-mini-pc-be-stopped-from-being-detected-as-a-laptop-with-a-battery/
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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As documented in the updated "Naming" chapter of
Documentation/process/coding-style.rst, usage of the work blacklist
should be avoided where possible.
Rename the list of devices which have no battery to the
axp288_no_battery_list, which also more accurately describes the
contents of the list.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The driver can match only via the DT table so the table should be always
used and the of_match_ptr() does not have any sense (this also allows ACPI
matching via PRP0001, even though it might be not relevant here). This
fixes compile warning (!CONFIG_OF):
drivers/power/supply/bq24190_charger.c:1972:34: warning: ‘bq24190_of_match’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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This patch adds missing MODULE_DEVICE_TABLE definition which generates
correct modalias for automatic loading of this driver when it is built
as an external module.
Signed-off-by: Yu Jiahua <yujiahua1@huawei.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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