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Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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When fail to get needed page for pool, need to put allocated pages
into pool. But current code has a miscalculation of allocated pages,
correct it.
Signed-off-by: Xiangliang.Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Allow overrides on the command line.
v2: agd: sqaush in spelling fix and bogus default value warning
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: elan_i2c - Add antoher Lenovo ACPI ID for upcoming Lenovo NB
Input: elan_i2c - add ELAN0608 to the ACPI table
Input: trackpoint - assume 3 buttons when buttons detection fails
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Several architectures don't need to define it since the string is the
same as the default one, so nuke them.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-v1e1jr1u474w9xcelpaoxamu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Since 195564390210 ("perf_counter: kerneltop: simplify data_head read")
we do not use it, and this was way back in 2009, remove it before some
other arch maintainer adds its implementation, like so many did,
needlessly :-)
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-3l2su9c58eaq4twjzrf9uu08@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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adds fragment_size in the vm_manager structure and
implements hardware setup for it.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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That better describes what happens here with the BO.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Split that into vm_bo_base and bo_va to allow other uses as well.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Just add the flags to the addr field as well.
v2: add some more comments that the flag is for huge pages.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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We now properly kmap all BOs after validation.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Move the CSA bo_va from the VM to the fpriv structure.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The shadow handling isn't implemented completely for userspace BOs and
the kernel sets the VRAM_CONTIGUOUS as necessary.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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update the list first to avoid redundant checks.
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Looks like a better place for this.
v2: use atomic64_t members instead
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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It doesn't make much sense to count those numbers twice.
v2: use and atomic64_t instead
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Instead of the separate switch/case in the calling function.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The BO manager has its own lock and doesn't use the lru_lock.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The BO manager has its own lock and doesn't use the lru_lock.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Provide the drm printer directly instead of just the callback.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This helps map DMA addresses back to physical addresses.
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(v2): Added tracepoints for USERPTR, SG mappings, and
SWIOTBL mappings. Reformatted trace call perform
PCI decoding internal to the trace.
(v3): Add unmap tracepoints as well
(v4): Move traces into separate functions
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Those values weren't correct. This should result in quite some speedup.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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No need to do this on every CS.
v2: remove all other bind, reorder code
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This should save us a bunch of command submission overhead.
v2: move the LRU move to the right place to avoid the move for the root BO
and handle the shadow BOs as well. This turned out to be a bug fix because
the move needs to happen before the kmap.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Use the BOs reservation object when it is put on the ddelete list. This way we
avoid delaying freeing up the BO because of new fences on the reservation object.
This is used by dma-buf and amdgpu's VM page tables.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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With shared reservation objects the assumption that no fence
could have been added isn't true any more.
Additional to that the BO is about to be destroyed, so removing the
fences now has no advantage whatsoever.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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into drm-fixes
single amdgpu fix.
* 'drm-fixes-4.13' of git://people.freedesktop.org/~agd5f/linux:
drm/amdgpu: save list length when fence is signaled
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git://anongit.freedesktop.org/git/drm-intel into drm-fixes
drm/i915 fixes for v4.13-rc6
"Chris' "drm/i915: Perform an invalidate prior to executing golden renderstate" and Daniel's
"drm/i915: Avoid the gpu reset vs. modeset deadlock" seem like the most important ones.
* tag 'drm-intel-fixes-2017-08-16' of git://anongit.freedesktop.org/git/drm-intel:
drm/i915: Avoid the gpu reset vs. modeset deadlock
drm/i915: Suppress switch_mm emission between the same aliasing_ppgtt
drm/i915: Return correct EDP voltage swing table for 0.85V
drm/i915/cnl: Add slice and subslice information to debugfs.
drm/i915: Perform an invalidate prior to executing golden renderstate
drm/i915: remove unused function declaration
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git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into drm-next
omapdrm changes for v4.14
* HDMI hot plug IRQ support (instead of polling)
* Big driver cleanup from Laurent (no functional changes)
* OMAP5 DSI support (only the pinmuxing was missing)
* tag 'omapdrm-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (60 commits)
drm/omap: Potential NULL deref in omap_crtc_duplicate_state()
drm/omap: remove no-op cleanup code
drm/omap: rename omapdrm device back
drm: omapdrm: Remove omapdrm platform data
ARM: OMAP2+: Don't register omapdss device for omapdrm
ARM: OMAP2+: Remove unused omapdrm platform device
drm: omapdrm: Remove the omapdss driver
drm: omapdrm: Register omapdrm platform device in omapdss driver
drm: omapdrm: hdmi: Don't allocate PHY features dynamically
drm: omapdrm: hdmi: Configure the PHY from the HDMI core version
drm: omapdrm: hdmi: Configure the PLL from the HDMI core version
drm: omapdrm: hdmi: Pass HDMI core version as integer to HDMI audio
drm: omapdrm: hdmi: Replace OMAP SoC model check with HDMI xmit version
drm: omapdrm: hdmi: Rename functions and structures to use hdmi_ prefix
drm/omap: add OMAP5 DSIPHY lane-enable support
drm/omap: use regmap_update_bit() when muxing DSI pads
drm: omapdrm: Remove dss_features.h
drm: omapdrm: Move supported outputs feature to dss driver
drm: omapdrm: Move DSS_FCK feature to dss driver
drm: omapdrm: Move PCD, LINEWIDTH and DOWNSCALE features to dispc driver
...
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If we fail a mount on account of cow recovery errors, it's possible that
a previous quotacheck left some dquots in memory. The bailout clause of
xfs_mountfs forgets to purge these, and so we leak them. Fix that.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
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Way back when we established inode block-map redo log items, it was
discovered that we needed to prevent the VFS from evicting inodes during
log recovery because any given inode might be have bmap redo items to
replay even if the inode has no link count and is ultimately deleted,
and any eviction of an unlinked inode causes the inode to be truncated
and freed too early.
To make this possible, we set MS_ACTIVE so that inodes would not be torn
down immediately upon release. Unfortunately, this also results in the
quota inodes not being released at all if a later part of the mount
process should fail, because we never reclaim the inodes. So, set
MS_ACTIVE right before we do the last part of log recovery and clear it
immediately after we finish the log recovery so that everything
will be torn down properly if we abort the mount.
Fixes: 17c12bcd30 ("xfs: when replaying bmap operations, don't let unlinked inodes get reaped")
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
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Calling them just "data" is too vague, call it 'perf_state', to make it
clearer, for instance, when looking at patch hunks.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-rnhk5yb05wem77rjpclrh7so@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Andi reported problems when parse errors were detected with vendor
events (json), because in the yyparse/parse_events_parse function we
dereferenced the _data parameter to two different structs, with
different layouts, which ended up making parse_events_evlist->error to
point to random stack addresses.
Fix it by making _data to always be struct parse_events_state, changing
the only place where 'struct parse_events_term' was used in
parse_events.y.
Reported-by: Andi Kleen <ak@linux.intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-bc27lshz823hxl8n9nkelcgh@git.kernel.org
Fixes: 90e2b22dee90 ("perf/tool: Add support to reuse event grammar to parse out terms")
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Rename it from 'parse_events_evlist' to 'parse_events_state' to better
state that this is parsing state that has to be passed around.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-dursqtg2h2w98ztaa297u43x@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Those are just casting a void pointer to a struct to then pass them to
functions, i.e. remove the local variables and pass the void pointer
directly, the casting will be done and the code will be shorter.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-bzfodzr3mb46gy7u7v0mqad6@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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We need to consider the null terminator, oops, fix it.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Fixes: 017037ff3d0b ("perf trace: Allow specifying list of syscalls and events in -e/--expr/--event")
Link: http://lkml.kernel.org/n/tip-j79jpqqe91gvxqmsgxgfn2ni@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Skylake server uncore IIO events need new FCMask/PortMask fields. Support
those in the json parser and pass it through as a filter.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20170816220201.19182-2-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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The Makefile verifies the same file exists twice:
test -f ../../../include/uapi/linux/bpf.h -a \
-f ../../../include/uapi/linux/bpf.h
The purpose of the check is to ensure the diff (immediately after the
test) doesn't fail with these two files:
tools/include/uapi/linux/bpf.h
include/uapi/linux/bpf.h
Same recipe for bpf_common:
test -f ../../../include/uapi/linux/bpf_common.h -a \
-f ../../../include/uapi/linux/bpf_common.h
This corrects the location of the tests.
Signed-off-by: Daniel Díaz <daniel.diaz@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1502814810-960-1-git-send-email-daniel.diaz@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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into drm-next
More features for 4.14. Nothing too major here. I have a few more additional
patches for large page support in vega10 among other things, but they require
some resevation object patches from drm-misc-next, so I'll send that request
once you've pulled the latest drm-misc-next. Highlights:
- Fixes for ACP audio on stoney
- SR-IOV fixes for vega10
- various powerplay fixes
- lots of code clean up
* 'drm-next-4.14' of git://people.freedesktop.org/~agd5f/linux: (62 commits)
drm/amdgpu/gfx7: fix function name
drm/amd/amdgpu: Disabling Power Gating for Stoney platform
drm/amd/amdgpu: Added a quirk for Stoney platform
drm/amdgpu: jt_size was wrongly counted twice
drm/amdgpu: fix missing endian-safe guard
drm/amdgpu: ignore digest_size when loading sdma fw for raven
drm/amdgpu: Uninitialized variable in amdgpu_ttm_backend_bind()
drm/amd/powerplay: fix coding style in hwmgr.c
drm/amd/powerplay: refine dmesg info under powerplay.
drm/amdgpu: don't finish the ring if not initialized
drm/radeon: Fix preferred typo
drm/amdgpu: Fix preferred typo
drm/radeon: Fix stolen typo
drm/amdgpu: Fix stolen typo
drm/amd/powerplay: fix coccinelle warnings in vega10_hwmgr.c
drm/amdgpu: set gfx_v9_0_ip_funcs as static
drm/radeon: switch to drm_*{get,put} helpers
drm/amdgpu: switch to drm_*{get,put} helpers
drm/amd/powerplay: add CZ profile support
drm/amd/powerplay: fix PSI not enabled by kmd
...
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Currently the alarmtimer registers a wake-up source unconditionally,
regardless of the system having a (wake-up capable) RTC or not.
Hence the alarmtimer will always show up in
/sys/kernel/debug/wakeup_sources, even if it is not available, and thus
cannot be a wake-up source.
To fix this, postpone registration until a wake-up capable RTC device is
added.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Miroslav Lichvar <mlichvar@redhat.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Stephen Boyd <stephen.boyd@linaro.org>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: John Stultz <john.stultz@linaro.org>
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When CONFIG_DEBUG_TIMEKEEPING is enabled the timekeeping_check_update()
function will update status like last_warning and underflow_seen on the
timekeeper.
If there are issues found this state is used to rate limit the warnings
that get printed.
This rate limiting doesn't really really work if stored in real_tk as
the shadow timekeeper is overwritten onto real_tk at the end of every
update_wall_time() call, resetting last_warning and other statuses.
Fix rate limiting by using the shadow_timekeeper for
timekeeping_check_update().
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Miroslav Lichvar <mlichvar@redhat.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Stephen Boyd <stephen.boyd@linaro.org>
Fixes: commit 57d05a93ada7 ("time: Rework debugging variables so they aren't global")
Signed-off-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
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These testcases are motivated by a recent alarmtimer regression, which
caused one-shot CLOCK_{BOOTTIME,REALTIME}_ALARM timers to become
periodic timers.
The new testcases are very similar to the existing testcases for
repeating timers. But rather than waiting for 5 alarms, they wait for 5
seconds and verify that the alarm fired exactly once.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Miroslav Lichvar <mlichvar@redhat.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Stephen Boyd <stephen.boyd@linaro.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-kselftest@vger.kernel.org
Signed-off-by: Greg Hackmann <ghackmann@google.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
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Rather than printing an error inside the alarm signal handler, set a
flag that we check later. This keeps the test from spamming the console
every time the alarm fires early. It also fixes the test exiting with
error code 0 if this was the only test failure.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Miroslav Lichvar <mlichvar@redhat.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Stephen Boyd <stephen.boyd@linaro.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-kselftest@vger.kernel.org
Signed-off-by: Greg Hackmann <ghackmann@google.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
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Fixes the following build warning:
freq-step.c: In function ‘main’:
freq-step.c:271:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
By returning the return values from ksft_success/fail.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Miroslav Lichvar <mlichvar@redhat.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Stephen Boyd <stephen.boyd@linaro.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-kselftest@vger.kernel.org
Signed-off-by: John Stultz <john.stultz@linaro.org>
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kernel headers
On some systems, the kernel headers haven't been updated to include
ADJ_SETOFFSET, so define it in the test if needed.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Miroslav Lichvar <mlichvar@redhat.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Stephen Boyd <stephen.boyd@linaro.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-kselftest@vger.kernel.org
Signed-off-by: John Stultz <john.stultz@linaro.org>
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* intel_pstate-fix:
cpufreq: intel_pstate: report correct CPU frequencies during trace
* cpufreq-x86-fix:
cpufreq: x86: Disable interrupts during MSRs reading
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Commit 2a5708409e4e (ACPI / EC: Fix a gap that ECDT EC cannot handle
EC events) introduced acpi_ec_ecdt_start(), but that function is
invoked before acpi_ec_query_init(), which is too early. This causes
the kernel to crash if an EC event occurs after boot, when ec_query_wq
is not valid:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000102
...
Workqueue: events acpi_ec_event_handler
task: ffff9f539790dac0 task.stack: ffffb437c0e10000
RIP: 0010:__queue_work+0x32/0x430
Normally, the DSDT EC should always be valid, so acpi_ec_ecdt_start()
is actually a no-op in the majority of cases. However, commit
c712bb58d827 (ACPI / EC: Add support to skip boot stage DSDT probe)
caused the probing of the DSDT EC as the "boot EC" to be skipped when
the ECDT EC is valid and uncovered the bug.
Fix this issue by invoking acpi_ec_ecdt_start() after acpi_ec_query_init()
in acpi_ec_init().
Link: https://jira01.devtools.intel.com/browse/LCK-4348
Fixes: 2a5708409e4e (ACPI / EC: Fix a gap that ECDT EC cannot handle EC events)
Fixes: c712bb58d827 (ACPI / EC: Add support to skip boot stage DSDT probe)
Reported-by: Wang Wendy <wendy.wang@intel.com>
Tested-by: Feng Chenzhou <chenzhoux.feng@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller:
- Fix PCI memory bar assignments with 64-bit kernels on machines with
Dino/Cujo PCI chipsets. This makes PCI graphic cards work on such
machines (from Thomas Bogendoerfer).
- Fix documentation to be more clear about the difference between %pF
and %pS printk format usage. There are still many places in the
kernel which have it wrong (from Petr Mladek, Sergey Senozhatsky &
me).
* 'parisc-4.13-5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
printk-formats.txt: Better describe the difference between %pS and %pF
parisc: pci memory bar assignment fails with 64bit kernels on dino/cujo
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The sysctl documentation states that the JIT is only available on
x86_64, which is no longer correct.
Update the list, and break it out to indicate which architectures
support the cBPF JIT (via HAVE_CBPF_JIT) or the eBPF JIT
(HAVE_EBPF_JIT).
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Only print the specified options that are not recognized, instead
of the whole list of options.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
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