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In rbio_update_error_bitmap(), we need to calculate the length of the
rbio. As since it's called in the endio function, we can not directly
grab the length from bi_iter.
Currently we call bio_for_each_segment_all(), which will always return a
range inside a page. But that's not necessary as we don't really care
about anything inside the page.
So use bio_for_each_bvec_all(), which can return a bvec across multiple
continuous pages thus reduce the loops.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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There quite a few spelling mistakes as found using codespell. Fix them.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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During fiemap, when checking if a data extent is shared we are doing the
backref walking even if we already know the leaf is shared, which is a
waste of time since if the leaf shared then the data extent is also
shared. So skip the backref walking when we know we are in a shared leaf.
The following test was measures the gains for a case where all leaves
are shared due to a snapshot:
$ cat test.sh
#!/bin/bash
DEV=/dev/sdj
MNT=/mnt/sdj
umount $DEV &> /dev/null
mkfs.btrfs -f $DEV
# Use compression to quickly create files with a lot of extents
# (each with a size of 128K).
mount -o compress=lzo $DEV $MNT
# 40G gives 327680 extents, each with a size of 128K.
xfs_io -f -c "pwrite -S 0xab -b 1M 0 40G" $MNT/foobar
# Add some more files to increase the size of the fs and extent
# trees (in the real world there's a lot of files and extents
# from other files).
xfs_io -f -c "pwrite -S 0xcd -b 1M 0 20G" $MNT/file1
xfs_io -f -c "pwrite -S 0xef -b 1M 0 20G" $MNT/file2
xfs_io -f -c "pwrite -S 0x73 -b 1M 0 20G" $MNT/file3
# Create a snapshot so all the extents become indirectly shared
# through subtrees, with a generation less than or equals to the
# generation used to create the snapshot.
btrfs subvolume snapshot -r $MNT $MNT/snap1
# Unmount and mount again to clear cached metadata.
umount $MNT
mount -o compress=lzo $DEV $MNT
start=$(date +%s%N)
# The filefrag tool uses the fiemap ioctl.
filefrag $MNT/foobar
end=$(date +%s%N)
dur=$(( (end - start) / 1000000 ))
echo "fiemap took $dur milliseconds (metadata not cached)"
echo
start=$(date +%s%N)
filefrag $MNT/foobar
end=$(date +%s%N)
dur=$(( (end - start) / 1000000 ))
echo "fiemap took $dur milliseconds (metadata cached)"
umount $MNT
The results were the following on a non-debug kernel (Debian's default
kernel config).
Before this patch:
(...)
/mnt/sdi/foobar: 327680 extents found
fiemap took 1821 milliseconds (metadata not cached)
/mnt/sdi/foobar: 327680 extents found
fiemap took 399 milliseconds (metadata cached)
After this patch:
(...)
/mnt/sdi/foobar: 327680 extents found
fiemap took 591 milliseconds (metadata not cached)
/mnt/sdi/foobar: 327680 extents found
fiemap took 123 milliseconds (metadata cached)
That's a speedup of 3.1x and 3.2x.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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During fiemap, when accessing the cache that stores the sharedness of an
extent, we need to either be holding a transaction handle or the commit
root semaphore. I left comments about this in the comment that precedes
store_backref_shared_cache() and lookup_backref_shared_cache(), but have
actually not enforced it through assertions. So assert that the commit
root semaphore is held if we are not holding a transaction handle.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Async discard does not acquire the block group reference count while it
holds a reference on the discard list. This is generally OK, as the
paths which destroy block groups tend to try to synchronize on
cancelling async discard work. However, relying on cancelling work
requires careful analysis to be sure it is safe from races with
unpinning scheduling more work.
While I am unable to find a race with unpinning in the current code for
either the unused bgs or relocation paths, I believe we have one in an
older version of auto relocation in a Meta internal build. This suggests
that this is in fact an error prone model, and could be fragile to
future changes to these bg deletion paths.
To make this ownership more clear, add a refcount for async discard. If
work is queued for a block group, its refcount should be incremented,
and when work is completed or canceled, it should be decremented.
CC: stable@vger.kernel.org # 5.15+
Signed-off-by: Boris Burkov <boris@bur.io>
Signed-off-by: David Sterba <dsterba@suse.com>
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Whenever we add or remove an entry to a directory, we issue an utimes
command for the directory. If we add 1000 entries to a directory (create
1000 files under it or move 1000 files to it), then we issue the same
utimes command 1000 times, which increases the send stream size, results
in more pipe IO, one search in the send b+tree, allocating one path for
the search, etc, as well as making the receiver do a system call for each
duplicated utimes command.
We also issue an utimes command when we create a new directory, but later
we might add entries to it corresponding to inodes with an higher inode
number, so it's pointless to issue the utimes command before we create
the last inode under the directory.
So use a lru cache to track directories for which we must send a utimes
command. When we need to remove an entry from the cache, we issue the
utimes command for the respective directory. When finishing the send
operation, we go over each cache element and issue the respective utimes
command. Finally the caching is entirely optional, just a performance
optimization, meaning that if we fail to cache (due to memory allocation
failure), we issue the utimes command right away, that is, we fallback
to the previous, unoptimized, behaviour.
This patch belongs to a patchset comprised of the following patches:
btrfs: send: directly return from did_overwrite_ref() and simplify it
btrfs: send: avoid unnecessary generation search at did_overwrite_ref()
btrfs: send: directly return from will_overwrite_ref() and simplify it
btrfs: send: avoid extra b+tree searches when checking reference overrides
btrfs: send: remove send_progress argument from can_rmdir()
btrfs: send: avoid duplicated orphan dir allocation and initialization
btrfs: send: avoid unnecessary orphan dir rbtree search at can_rmdir()
btrfs: send: reduce searches on parent root when checking if dir can be removed
btrfs: send: iterate waiting dir move rbtree only once when processing refs
btrfs: send: initialize all the red black trees earlier
btrfs: send: genericize the backref cache to allow it to be reused
btrfs: adapt lru cache to allow for 64 bits keys on 32 bits systems
btrfs: send: cache information about created directories
btrfs: allow a generation number to be associated with lru cache entries
btrfs: add an api to delete a specific entry from the lru cache
btrfs: send: use the lru cache to implement the name cache
btrfs: send: update size of roots array for backref cache entries
btrfs: send: cache utimes operations for directories if possible
The following test was run before and after applying the whole patchset,
and on a non-debug kernel (Debian's default kernel config):
#!/bin/bash
MNT=/mnt/sdi
DEV=/dev/sdi
mkfs.btrfs -f $DEV > /dev/null
mount $DEV $MNT
mkdir $MNT/A
for ((i = 1; i <= 20000; i++)); do
echo -n > $MNT/A/file_$i
done
btrfs subvolume snapshot -r $MNT $MNT/snap1
mkdir $MNT/B
for ((i = 20000; i <= 40000; i++)); do
echo -n > $MNT/B/file_$i
done
mv $MNT/A/file_* $MNT/B/
btrfs subvolume snapshot -r $MNT $MNT/snap2
start=$(date +%s%N)
btrfs send -p $MNT/snap1 $MNT/snap2 > /dev/null
end=$(date +%s%N)
dur=$(( (end - start) / 1000000 ))
echo "Incremental send took $dur milliseconds"
umount $MNT
Before the whole patchset: 18408 milliseconds
After the whole patchset: 1942 milliseconds (9.5x speedup)
Using 60000 files instead of 40000:
Before the whole patchset: 39764 milliseconds
After the whole patchset: 3076 milliseconds (12.9x speedup)
Using 20000 files instead of 40000:
Before the whole patchset: 5072 milliseconds
After the whole patchset: 916 milliseconds (5.5x speedup)
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Currently we limit the size of the roots array, for backref cache entries,
to 12 elements. This is because that number is enough for most cases and
to make the backref cache entry size to be exactly 128 bytes, so that
memory is allocated from the kmalloc-128 slab and no space is wasted.
However recent changes in the series refactored the backref cache to be
more generic and allow it to be reused for other purposes, which resulted
in increasing the size of the embedded structure btrfs_lru_cache_entry in
order to allow for supporting inode numbers as keys on 32 bits system and
allow multiple generations per key. This resulted in increasing the size
of struct backref_cache_entry from 128 bytes to 152 bytes. Since the cache
entries are allocated with kmalloc(), it means we end up using the slab
kmalloc-192, so we end up wasting 40 bytes of memory. So bump the size of
the roots array from 12 elements to 17 elements, so we end up using 192
bytes for each backref cache entry.
This patch is part of a larger patchset and the changelog of the last
patch in the series contains a sample performance test and results.
The patches that comprise the patchset are the following:
btrfs: send: directly return from did_overwrite_ref() and simplify it
btrfs: send: avoid unnecessary generation search at did_overwrite_ref()
btrfs: send: directly return from will_overwrite_ref() and simplify it
btrfs: send: avoid extra b+tree searches when checking reference overrides
btrfs: send: remove send_progress argument from can_rmdir()
btrfs: send: avoid duplicated orphan dir allocation and initialization
btrfs: send: avoid unnecessary orphan dir rbtree search at can_rmdir()
btrfs: send: reduce searches on parent root when checking if dir can be removed
btrfs: send: iterate waiting dir move rbtree only once when processing refs
btrfs: send: initialize all the red black trees earlier
btrfs: send: genericize the backref cache to allow it to be reused
btrfs: adapt lru cache to allow for 64 bits keys on 32 bits systems
btrfs: send: cache information about created directories
btrfs: allow a generation number to be associated with lru cache entries
btrfs: add an api to delete a specific entry from the lru cache
btrfs: send: use the lru cache to implement the name cache
btrfs: send: update size of roots array for backref cache entries
btrfs: send: cache utimes operations for directories if possible
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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The name cache in send is basically a lru cache implemented with a radix
tree and linked lists, very similar to the lru cache module which is used
for the send backref cache and the cache of previously created directories
during a send operation. So remove all the custom caching code for the
name cache and make it use the lru cache instead.
One particular detail to note is that the current cache behaves a bit
differently when it comes to eviction of entries. Namely when after
inserting a new name in the cache, if the cache now has 256 entries, we
evict the last 128 LRU entries. The lru_cache.{c,h} module behaves a bit
differently in that once we reach the cache limit, we evict a single LRU
entry. In practice this doesn't make much difference, but it's actually
better to evict just one entry instead of half of the entries, as there's
always a chance we will need a name stored in one of that last 128 removed
entries.
This patch is part of a larger patchset and the changelog of the last
patch in the series contains a sample performance test and results.
The patches that comprise the patchset are the following:
btrfs: send: directly return from did_overwrite_ref() and simplify it
btrfs: send: avoid unnecessary generation search at did_overwrite_ref()
btrfs: send: directly return from will_overwrite_ref() and simplify it
btrfs: send: avoid extra b+tree searches when checking reference overrides
btrfs: send: remove send_progress argument from can_rmdir()
btrfs: send: avoid duplicated orphan dir allocation and initialization
btrfs: send: avoid unnecessary orphan dir rbtree search at can_rmdir()
btrfs: send: reduce searches on parent root when checking if dir can be removed
btrfs: send: iterate waiting dir move rbtree only once when processing refs
btrfs: send: initialize all the red black trees earlier
btrfs: send: genericize the backref cache to allow it to be reused
btrfs: adapt lru cache to allow for 64 bits keys on 32 bits systems
btrfs: send: cache information about created directories
btrfs: allow a generation number to be associated with lru cache entries
btrfs: add an api to delete a specific entry from the lru cache
btrfs: send: use the lru cache to implement the name cache
btrfs: send: update size of roots array for backref cache entries
btrfs: send: cache utimes operations for directories if possible
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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This documentation wasn't added in the original patch,
add it now.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 6e4c0d0460bd ("wifi: mac80211: add a workaround for receiving non-standard mesh A-MSDU")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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cfg80211_obss_color_collision_notify description
Get rid of gfp parameter from cfg80211_obss_color_collision_notify
routine description.
Fixes: 935ef47b16cc ("wifi: cfg80211: get rid of gfp in cfg80211_bss_color_notify")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/2da652e2cd5c7903191091ae9757718f1be802a1.1676453359.git.lorenzo@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When we have multiple interfaces receiving the same frame,
such as a multicast frame, one interface might have a sta
and the other not. In this case, link_sta would be set but
not cleared again.
Always set link_sta, so we keep an invariant that link_sta
and sta are either both set or both not set.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There's at least one case in ieee80211_rx_for_interface()
where we might pass &((struct sta_info *)NULL)->sta to it
only to then do container_of(), and then checking the
result for NULL, but checking the result of container_of()
for NULL looks really odd.
Fix this by just passing the struct sta_info * instead.
Fixes: e66b7920aa5a ("wifi: mac80211: fix initialization of rx->link and rx->link_sta")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When a connection was established without going through
NL80211_CMD_CONNECT, the ssid was never set in the wireless_dev struct.
Now we set it in __cfg80211_connect_result() when it is not already set.
When using a userspace configuration that does not call
cfg80211_connect() (can be checked with breakpoints in the kernel),
this patch should allow `networkctl status device_name` to output the
SSID instead of null.
Cc: stable@vger.kernel.org
Reported-by: Yohan Prod'homme <kernel@zoddo.fr>
Fixes: 7b0a0e3c3a88 (wifi: cfg80211: do some rework towards MLO link APIs)
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216711
Signed-off-by: Marc Bornand <dev.mbornand@systemb.ch>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The compiler is optimizing out majority of unref_ptr read/writes, so the test
wasn't testing much. For example, one could delete '__kptr' tag from
'struct prog_test_ref_kfunc __kptr *unref_ptr;' and the test would still "pass".
Convert it to volatile stores. Confirmed by comparing bpf asm before/after.
Fixes: 2cbc469a6fc3 ("selftests/bpf: Add C tests for kptr")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20230214235051.22938-1-alexei.starovoitov@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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Use spinlocks to deal with workers introducing a wrapper
asus_schedule_work(), and several spinlock checks.
Otherwise, asus_kbd_backlight_set() may schedule led->work after the
structure has been freed, causing a use-after-free.
Fixes: af22a610bc38 ("HID: asus: support backlight on USB keyboards")
Signed-off-by: Pietro Borrello <borrello@diag.uniroma1.it>
Link: https://lore.kernel.org/r/20230125-hid-unregister-leds-v4-5-7860c5763c38@diag.uniroma1.it
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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asus driver has a worker that may access data concurrently.
Proct the accesses using a spinlock.
Fixes: af22a610bc38 ("HID: asus: support backlight on USB keyboards")
Signed-off-by: Pietro Borrello <borrello@diag.uniroma1.it>
Link: https://lore.kernel.org/r/20230125-hid-unregister-leds-v4-4-7860c5763c38@diag.uniroma1.it
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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Use spinlocks to deal with workers introducing a wrapper
bigben_schedule_work(), and several spinlock checks.
Otherwise, bigben_set_led() may schedule bigben->worker after the
structure has been freed, causing a use-after-free.
Fixes: 4eb1b01de5b9 ("HID: hid-bigbenff: fix race condition for scheduled work during removal")
Signed-off-by: Pietro Borrello <borrello@diag.uniroma1.it>
Link: https://lore.kernel.org/r/20230125-hid-unregister-leds-v4-3-7860c5763c38@diag.uniroma1.it
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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bigben_worker() checks report_field to be non-NULL.
The check has been added in commit
918aa1ef104d ("HID: bigbenff: prevent null pointer dereference")
to prevent a NULL pointer crash.
However, the true root cause was a missing check for output
reports, patched in commit
c7bf714f8755 ("HID: check empty report_list in bigben_probe()"),
where the type-confused report list_entry was overlapping with
a NULL pointer, which was then causing the crash.
Fixes: 918aa1ef104d ("HID: bigbenff: prevent null pointer dereference")
Signed-off-by: Pietro Borrello <borrello@diag.uniroma1.it>
Link: https://lore.kernel.org/r/20230125-hid-unregister-leds-v4-2-7860c5763c38@diag.uniroma1.it
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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bigben driver has a worker that may access data concurrently.
Proct the accesses using a spinlock.
Fixes: 256a90ed9e46 ("HID: hid-bigbenff: driver for BigBen Interactive PS3OFMINIPAD gamepad")
Signed-off-by: Pietro Borrello <borrello@diag.uniroma1.it>
Link: https://lore.kernel.org/r/20230125-hid-unregister-leds-v4-1-7860c5763c38@diag.uniroma1.it
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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When the BPF selftests are cross-compiled, only the a host version of
bpftool is built. This version of bpftool is used on the host-side to
generate various intermediates, e.g., skeletons.
The test runners are also using bpftool, so the Makefile will symlink
bpftool from the selftest/bpf root, where the test runners will look
the tool:
| $(Q)ln -sf $(if $2,..,.)/tools/build/bpftool/bootstrap/bpftool \
| $(OUTPUT)/$(if $2,$2/)bpftool
There are two problems for cross-compilation builds:
1. There is no native (cross-compilation target) of bpftool
2. The bootstrap/bpftool is never cross-compiled (by design)
Make sure that a native/cross-compiled version of bpftool is built,
and if CROSS_COMPILE is set, symlink the native/non-bootstrap version.
Acked-by: Quentin Monnet <quentin@isovalent.com>
Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://lore.kernel.org/r/20230214161253.183458-1-bjorn@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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In commit 7e2a9ebe8126 ("docs, bpf: Ensure IETF's BPF mailing list gets
copied for ISA doc changes"), a new MAINTAINERS entry was added for any
BPF IETF documentation updates for the ongoing standardization process.
I've been making it a point to try and review as many BPF documentation
patches as possible, and have made a committment to Alexei to
consistently review BPF standardization patches going forward. This
patch adds my name as a reviewer to the MAINTAINERS entry for the
standardization effort.
Signed-off-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/r/20230214223553.78353-1-void@manifault.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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There exists build error when make -C tools/testing/selftests/bpf/
on LoongArch:
BINARY test_verifier
In file included from test_verifier.c:27:
tools/include/uapi/linux/bpf_perf_event.h:14:28: error: field 'regs' has incomplete type
14 | bpf_user_pt_regs_t regs;
| ^~~~
make: *** [Makefile:577: tools/testing/selftests/bpf/test_verifier] Error 1
make: Leaving directory 'tools/testing/selftests/bpf'
Add missing uapi header for LoongArch to use the following definition:
typedef struct user_pt_regs bpf_user_pt_regs_t;
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Link: https://lore.kernel.org/r/1676458867-22052-1-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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code block
Stephen Rothwell reported htmldocs warning when merging bpf-next tree,
which was the same warning as reported by kernel test robot:
Documentation/bpf/graph_ds_impl.rst:62: ERROR: Error in "code-block" directive:
maximum 1 argument(s) allowed, 12 supplied.
The error is due to Sphinx confuses node_data struct declaration with
code-block directive option.
Fix the warning by separating the code-block marker with node_data struct
declaration.
Link: https://lore.kernel.org/linux-next/20230215144505.4751d823@canb.auug.org.au/
Link: https://lore.kernel.org/linux-doc/202302151123.wUE5FYFx-lkp@intel.com/
Fixes: c31315c3aa0929 ("bpf, documentation: Add graph documentation for non-owning refs")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://lore.kernel.org/r/20230215123253.41552-3-bagasdotme@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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The syscfg based thermal driver is only supporting STiH415 STiH416 and
STiD127 platforms which are all no more supported. We can thus safely
remove this driver since the remaining STi platform STiH407/STiH410
and STiH418 are all using the memmap based thermal driver.
Signed-off-by: Alain Volmat <avolmat@me.com>
Link: https://lore.kernel.org/r/20230209091659.1409-7-avolmat@me.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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As the name states "thermal_core.h" is the header file for the core
components of the thermal framework.
Too many drivers are including it. Hopefully the recent cleanups
helped to self encapsulate the code a bit more and prevented the
drivers to need this header.
Remove this inclusion in every place where it is possible.
Some other drivers did a confusion with the core header and the one
exported in linux/thermal.h. They include the former instead of the
latter. The changes also fix this.
The tegra/soctherm driver still remains as it uses an internal
function which need to be replaced.
The Intel HFI driver uses the netlink internal framework core and
should be changed to prevent to deal with the internals.
No functional changes intended.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> # armada_thermal.c
Reviewed-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> # uniphier_thermal.c
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> # rcar_gen3_thermal.c
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> # amlogic_thermal.c
Acked-by: Florian Fainelli <f.fainelli@gmail.com> # bcm2835_thermal.c
Acked-by: Thierry Reding <treding@nvidia.com> # tegra30-tsensor.c
Link: https://lore.kernel.org/r/20230206153432.1017282-1-daniel.lezcano@linaro.org
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Fixes pkg-config returning malformed CFLAGS for libthermal.
Signed-off-by: Vibhav Pant <vibhavp@gmail.com>
Link: https://lore.kernel.org/r/20230211081935.62690-1-vibhavp@gmail.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The commit 74c8e6bffbe1 ("driver core: Add __alloc_size hint to devm
allocators") exposes a panic "BRK handler: Fatal exception" on the
hi3660_thermal_probe funciton.
This is because the function allocates memory for only one
sensors array entry, but tries to fill up a second one.
Fix this by removing the unneeded second access.
Fixes: 7d3a2a2bbadb ("thermal/drivers/hisi: Fix number of sensors on hi3660")
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
Link: https://lore.kernel.org/linux-mm/20221101223321.1326815-5-keescook@chromium.org/
Link: https://lore.kernel.org/r/20230210141507.71014-1-yongqin.liu@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The thermal zone is registered before the device is register and the
thermal coefficients are calculated, providing a window for very
incorrect readings.
The reason why the zone was register before the device was fully
initialized was that the presence of the set_trips() callback is used to
determine if the driver supports interrupt or not, as it is not defined
if the device is incapable of interrupts.
Fix this by using the operations structure in the private data instead
of the zone to determine if interrupts are available or not, and
initialize the device before registering the zone.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20230208190333.3159879-4-niklas.soderlund+renesas@ragnatech.se
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The callback operations are modified on a driver global level. If one
device tree description do not define interrupts, the set_trips()
operation was disabled globally for all users of the driver.
Fix this by creating a device local copy of the operations structure and
modify the copy depending on what the device can do.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20230208190333.3159879-3-niklas.soderlund+renesas@ragnatech.se
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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There is no need to explicitly call set_trips() when resuming from
suspend. The thermal framework calls thermal_zone_device_update() that
restores the trip points.
Suggested-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/20230208190333.3159879-2-niklas.soderlund+renesas@ragnatech.se
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add support for the Thermal Sensor/Chip Internal Voltage Monitor/Core
Voltage Monitor (THS/CIVM/CVM) on the Renesas R-Car V4H (R8A779G0) SoC.
According to the R-Car V4H Hardware User's Manual Rev. 0.70, the
(preliminary) conversion formula for the thermal sensor is the same as
for most other R-Car Gen3 and Gen4 SoCs, while the (preliminary)
conversion formula for the chip internal voltage monitor differs.
As the driver only uses the former, no further changes are needed.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/852048eb5f4cc001be7a97744f4c5caea912d071.1675958665.git.geert+renesas@glider.be
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Document support for the Thermal Sensor/Chip Internal Voltage
Monitor/Core Voltage Monitor (THS/CIVM/CVM) on the Renesas R-Car V4H
(R8A779G0) SoC.
Unlike most other R-Car Gen3 and Gen4 SoCs, it has 4 instead of 3
sensors, so increase the maximum number of reg tuples.
Just like other R-Car Gen4 SoCs, interrupts are not routed to the
INTC-AP but to the ECM.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/11f740522ec479011cc8eef6bb450603be394def.1675958665.git.geert+renesas@glider.be
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The Low Voltage Thermal Sensor (LVTS) is a multiple sensors, multi
controllers contained in a thermal domain.
A thermal domains can be the MCU or the AP.
Each thermal domains contain up to seven controllers, each thermal
controller handle up to four thermal sensors.
The LVTS has two Finite State Machines (FSM), one to handle the
functionin temperatures range like hot or cold temperature and another
one to handle monitoring trip point. The FSM notifies via interrupts
when a trip point is crossed.
The interrupt is managed at the thermal controller level, so when an
interrupt occurs, the driver has to find out which sensor triggered
such an interrupt.
The sampling of the thermal can be filtered or immediate. For the
former, the LVTS measures several points and applies a low pass
filter.
Signed-off-by: Balsam CHIHI <bchihi@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
On MT8195 Tomato Chromebook:
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230209105628.50294-5-bchihi@baylibre.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add LVTS thermal controllers dt-binding definition for mt8192 and mt8195.
Signed-off-by: Balsam CHIHI <bchihi@baylibre.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230209105628.50294-3-bchihi@baylibre.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add MediaTek proprietary folder to upstream more thermal zone and cooler
drivers, relocate the original thermal controller driver to it, and rename it
as "auxadc_thermal.c" to show its purpose more clearly.
Signed-off-by: Balsam CHIHI <bchihi@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230209105628.50294-2-bchihi@baylibre.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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thermal_sampling_init() suscribes to THERMAL_GENL_SAMPLING_GROUP_NAME group
so thermal_sampling_exit() should unsubscribe from the same group.
Fixes: 47c4b0de080a ("tools/lib/thermal: Add a thermal library")
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20230202102812.453357-1-vincent.guittot@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Merge thermal control changes related to Intel platforms for 6.3-rc1:
- Rework ACPI helper functions for thermal control to retrieve a trip
point temperature instead of initializing a trip point objetc (Rafael
Wysocki).
- Clean up and improve the int340x thermal driver ((Rafael Wysocki).
- Simplify and clean up the intel_pch thermal driver ((Rafael Wysocki).
- Fix the Intel powerclamp thermal driver and make it use the common
idle injection framework (Srinivas Pandruvada).
- Add two module parameters, cpumask and max_idle, to the Intel powerclamp
thermal driver to allow it to affect only a specific subset of CPUs
instead of all of them (Srinivas Pandruvada).
- Make the Intel quark_dts thermal driver Use generic trip point
objects instead of its own trip point representation (Daniel
Lezcano).
- Add toctree entry for thermal documents and fix two issues in the
Intel powerclamp driver documentation (Bagas Sanjaya).
* thermal-intel: (25 commits)
Documentation: powerclamp: Fix numbered lists formatting
Documentation: powerclamp: Escape wildcard in cpumask description
Documentation: admin-guide: Add toctree entry for thermal docs
thermal: intel: powerclamp: Add two module parameters
Documentation: admin-guide: Move intel_powerclamp documentation
thermal: intel: powerclamp: Fix duration module parameter
thermal: intel: powerclamp: Return last requested state as cur_state
thermal: intel: quark_dts: Use generic trip points
thermal: intel: powerclamp: Use powercap idle-inject feature
powercap: idle_inject: Add update callback
powercap: idle_inject: Export symbols
thermal: intel: powerclamp: Fix cur_state for multi package system
thermal: intel: intel_pch: Drop struct board_info
thermal: intel: intel_pch: Rename board ID symbols
thermal: intel: intel_pch: Fold suspend and resume routines into their callers
thermal: intel: intel_pch: Fold two functions into their callers
thermal: intel: intel_pch: Eliminate device operations object
thermal: intel: intel_pch: Rename device operations callbacks
thermal: intel: intel_pch: Eliminate redundant return pointers
thermal: intel: intel_pch: Make pch_wpt_add_acpi_psv_trip() return int
...
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With the switching to dev_err_probe(), during the conversion
of GPIO calls, the return code is passed is a paratemer to it.
At the same time a copy'n'paste mistake was made, so the wrong
variable has been taken for the error reporting. Fix this.
Fixes: 3ee0d39c50dc ("ASoC: soc-ac97: Convert to agnostic GPIO API")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230215132343.35547-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add struct snd_pcm_substream forward declaration
Fixes: 078a85f2806f ("ASoC: dapm: Only power up active channels from a DAI")
Signed-off-by: Lucas Tanure <lucas.tanure@collabora.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230215132851.1626881-1-lucas.tanure@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Merge thermal control core changes for 6.3-rc1:
- Clean up thermal device unregistration code (Viresh Kumar).
- Fix and clean up thermal control core initialization error code
paths (Daniel Lezcano).
- Relocate the trip points handling code into a separate file (Daniel
Lezcano).
- Make the thermal core fail registration of thermal zones and cooling
devices if the thermal class has not been registered (Rafael Wysocki).
- Make the core thermal control code use sysfs_emit_at() instead of
scnprintf() where applicable (ye xingchen).
* thermal-core:
thermal: core: Use sysfs_emit_at() instead of scnprintf()
thermal: Fail object registration if thermal class is not registered
thermal/core: Move the thermal trip code to a dedicated file
thermal/core: Remove unneeded ida_destroy()
thermal/core: Fix unregistering netlink at thermal init time
thermal: core: Use device_unregister() instead of device_del/put()
thermal: core: Move cdev cleanup to thermal_release()
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wait_for_completion_timeout() never returns a <0 value. It returns either
on timeout or a positive value (at least 1, or number of jiffies left
till timeout)
So, fix the error handling path and return -ETIMEDOUT should a timeout
occur.
Fixes: b0823ee35cf9 ("spi: Add spi driver for Socionext SynQuacer platform")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Jassi Brar <jaswinder.singh@linaro.org>
Link: https://lore.kernel.org/r/c2040bf3cfa201fd8890cfab14fa5a701ffeca14.1676466072.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <broonie@kernel.org>
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This driver uncondictionally uses the GPIOLIB_IRQCHIP so
select it.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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Merge cpuidle updates, PM core updates and changes related to system
sleep handling for 6.3-rc1:
- Make the TEO cpuidle governor check CPU utilization in order to refine
idle state selection (Kajetan Puchalski).
- Make Kconfig select the haltpoll cpuidle governor when the haltpoll
cpuidle driver is selected and replace a default_idle() call in that
driver with arch_cpu_idle() which allows MWAIT to be used (Li
RongQing).
- Add Emerald Rapids Xeon support to the intel_idle driver (Artem
Bityutskiy).
- Add ARCH_SUSPEND_POSSIBLE dependencies for ARMv4 cpuidle drivers to
avoid randconfig build failures (Arnd Bergmann).
- Make kobj_type structures used in the cpuidle sysfs interface
constant (Thomas Weißschuh).
- Make the cpuidle driver registration code update microsecond values
of idle state parameters in accordance with their nanosecond values
if they are provided (Rafael Wysocki).
- Make the PSCI cpuidle driver prevent topology CPUs from being
suspended on PREEMPT_RT (Krzysztof Kozlowski).
- Document that pm_runtime_force_suspend() cannot be used with
DPM_FLAG_SMART_SUSPEND (Richard Fitzgerald).
- Add EXPORT macros for exporting PM functions from drivers (Richard
Fitzgerald).
- Drop "select SRCU" from system sleep Kconfig (Paul E. McKenney).
- Remove /** from non-kernel-doc comments in hibernation code (Randy
Dunlap).
* pm-cpuidle:
cpuidle: psci: Do not suspend topology CPUs on PREEMPT_RT
cpuidle: driver: Update microsecond values of state parameters as needed
cpuidle: sysfs: make kobj_type structures constant
cpuidle: add ARCH_SUSPEND_POSSIBLE dependencies
intel_idle: add Emerald Rapids Xeon support
cpuidle-haltpoll: Replace default_idle() with arch_cpu_idle()
cpuidle-haltpoll: select haltpoll governor
cpuidle: teo: Introduce util-awareness
cpuidle: teo: Optionally skip polling states in teo_find_shallower_state()
* pm-core:
PM: Add EXPORT macros for exporting PM functions
PM: runtime: Document that force_suspend() is incompatible with SMART_SUSPEND
* pm-sleep:
PM: sleep: Remove "select SRCU"
PM: hibernate: swap: don't use /** for non-kernel-doc comments
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The commit 1796f808e4bb ("HID: i2c-hid: acpi: Stop setting wakeup_capable")
changed the policy such that I2C touchpads may be able to wake up the
system by default if the system is configured as such.
However for some devices there is a bug, that is causing the touchpad to
instantly wake up the device again once it gets deactivated. The root cause
is still under investigation (see Link tag).
To workaround this problem for the time being, introduce a quirk for this
model that will prevent the wakeup capability for being set for GPIO 16.
Fixes: 1796f808e4bb ("HID: i2c-hid: acpi: Stop setting wakeup_capable")
Link: https://lore.kernel.org/linux-acpi/20230210164636.628462-1-wse@tuxedocomputers.com/
Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
Cc: <stable@vger.kernel.org> # v6.1+
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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kernel test robot reported htmldocs warning:
Documentation/admin-guide/pm/amd-pstate.rst:343: WARNING: duplicate label admin-guide/pm/amd-pstate:user space interface in ``sysfs``, other instance in Documentation/admin-guide/pm/amd-pstate.rst
The documentation contains two sections with the same "User Space Interface
in ``sysfs``" title. The first one deals with per-policy sysfs and the
second one is about general attributes (currently only global attributes
are documented).
Disambiguate title text of both sections to fix the warning.
Link: https://lore.kernel.org/linux-doc/202302151041.0SWs1RHK-lkp@intel.com/
Fixes: b9e6a2d47b2565 ("Documentation: amd-pstate: introduce new global sysfs attributes")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Reviewed-by: Wyes Karny <wyes.karny@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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`amd_pstate_set_epp` function uses `cppc_req_cached` and `epp` variable
to update the MSR_AMD_CPPC_REQ register for AMD MSR systems. The recent
commit 7cca9a9851a5 ("cpufreq: amd-pstate: avoid uninitialized variable
use") changed the sequence of updating cppc_req_cached and writing the
MSR_AMD_CPPC_REQ. Therefore while switching from powersave to
performance governor and vice-versa in active mode MSR_AMD_CPPC_REQ is
set with the previous cached value. To fix this: first update the
`cppc_req_cached` variable and then call `amd_pstate_set_epp` function.
- Before commit 7cca9a9851a5 ("cpufreq: amd-pstate: avoid uninitialized
variable use"):
With powersave governor:
[ 1.652743] amd_pstate_epp_init: writing to cppc_req_cached = 0x1eff
[ 1.652744] amd_pstate_set_epp: writing cppc_req_cached = 0x1eff
[ 1.652746] amd_pstate_set_epp: writing min_perf = 30, des_perf = 0, max_perf = 255, epp = 0
Changing to performance governor:
[ 300.493842] amd_pstate_epp_init: writing to cppc_req_cached = 0xffff
[ 300.493846] amd_pstate_set_epp: writing cppc_req_cached = 0xffff
[ 300.493847] amd_pstate_set_epp: writing min_perf = 255, des_perf = 0, max_perf = 255, epp = 0
- After commit 7cca9a9851a5 ("cpufreq: amd-pstate: avoid uninitialized
variable use"):
With powersave governor:
[ 1.646037] amd_pstate_set_epp: writing cppc_req_cached = 0xffff
[ 1.646038] amd_pstate_set_epp: writing min_perf = 255, des_perf = 0, max_perf = 255, epp = 0
[ 1.646042] amd_pstate_epp_init: writing to cppc_req_cached = 0x1eff
Changing to performance governor:
[ 687.117401] amd_pstate_set_epp: writing cppc_req_cached = 0x1eff
[ 687.117405] amd_pstate_set_epp: writing min_perf = 30, des_perf = 0, max_perf = 255, epp = 0
[ 687.117419] amd_pstate_epp_init: writing to cppc_req_cached = 0xffff
- After this fix:
With powersave governor:
[ 2.525717] amd_pstate_epp_init: writing to cppc_req_cached = 0x1eff
[ 2.525720] amd_pstate_set_epp: writing cppc_req_cached = 0x1eff
[ 2.525722] amd_pstate_set_epp: writing min_perf = 30, des_perf = 0, max_perf = 255, epp = 0
Changing to performance governor:
[ 3440.152468] amd_pstate_epp_init: writing to cppc_req_cached = 0xffff
[ 3440.152473] amd_pstate_set_epp: writing cppc_req_cached = 0xffff
[ 3440.152474] amd_pstate_set_epp: writing min_perf = 255, des_perf = 0, max_perf = 255, epp = 0
Fixes: 7cca9a9851a5 ("cpufreq: amd-pstate: avoid uninitialized variable use")
Signed-off-by: Wyes Karny <wyes.karny@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Since recently, the kernel is nagging about mutable irq_chips:
"not an immutable chip, please consider fixing it!"
Drop the unneeded copy, flag it as IRQCHIP_IMMUTABLE, add the new
helper functions and call the appropriate gpiolib functions.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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Merge ACPI backlight driver changes, miscellaneous ACPI-related changes
and ACPI-related documentation updates for 6.3-rc1:
- Fix Lenovo Ideapad Z570 DMI match in the ACPI backlight driver (Hans
de Goede).
- Silence missing prototype warnings in some places in the ACPI-related
code (Ammar Faizi).
- Make kobj_type structures used in the ACPI code constant (Thomas
Weißschuh).
- Correct spelling in firmware-guide/ACPI (Randy Dunlap).
- Clarify the meaning of Explicit and Implicit in the _DSD GPIO
properties documentation (Andy Shevchenko).
* acpi-video:
ACPI: video: Fix Lenovo Ideapad Z570 DMI match
* acpi-misc:
ACPI: make kobj_type structures constant
ACPI: Silence missing prototype warnings
* acpi-docs:
Documentation: firmware-guide: gpio-properties: Clarify Explicit and Implicit
Documentation: firmware-guide/ACPI: correct spelling
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Merge ACPI resources handling changes, ACPI PMIC and battery drivers
changes and ACPI APEI changes for 6.3-rc1:
- Add two more entries to the ACPI IRQ override quirk list (Adam
Niederer, Werner Sembach).
- Add a pmic_i2c_address entry for Intel Bay Trail Crystal Cove to
allow intel_soc_pmic_exec_mipi_pmic_seq_element() to be used with
the Bay Trail Crystal Cove PMIC OpRegion driver (Hans de Goede).
- Add comments with DSDT power OpRegion field names to the ACPI PMIC
driver (Hans de Goede).
- Fix string termination handling in the ACPI battery driver (Armin
Wolf).
- Limit error type to 32-bit width in the ACPI APEI error injection
code (Shuai Xue).
* acpi-resource:
ACPI: resource: Do IRQ override on all TongFang GMxRGxx
ACPI: resource: Add IRQ overrides for MAINGEAR Vector Pro 2 models
* acpi-pmic:
ACPI: PMIC: Add comments with DSDT power opregion field names
ACPI: PMIC: Add pmic_i2c_address to BYT Crystal Cove support
* acpi-battery:
ACPI: battery: Increase maximum string length
ACPI: battery: Fix buffer overread if not NUL-terminated
ACPI: battery: Fix missing NUL-termination with large strings
* acpi-apei:
ACPI: APEI: EINJ: Limit error type to 32-bit width
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'acpi-maintainers'
Merge ACPI processor driver changes, ACPI table parser changes, ACPI
device enumeration changes related to PNP and a MAINTAINERS update
related to ACPI for 6.3-rc1:
- Drop an unnecessary (void *) conversion from the ACPI processor
driver (Zhou jie).
- Modify the ACPI processor performance library code to use the "no
limit" frequency QoS as appropriate and adjust the intel_pstate
driver accordingly (Rafael Wysocki).
- Add support for NBFT to the ACPI table parser (Stuart Hayes).
- Introduce list of known non-PNP devices to avoid enumerating some of
them as PNP devices (Rafael Wysocki).
- Add x86 ACPI paths to the ACPI entry in MAINTAINERS to allow scripts
to report the actual maintainers information (Rafael Wysocki).
* acpi-processor:
cpufreq: intel_pstate: Drop ACPI _PSS states table patching
ACPI: processor: perflib: Avoid updating frequency QoS unnecessarily
ACPI: processor: perflib: Use the "no limit" frequency QoS
ACPI: processor: idle: Drop unnecessary (void *) conversion
* acpi-tables:
ACPI: tables: Add support for NBFT
* acpi-pnp:
ACPI: PNP: Introduce list of known non-PNP devices
* acpi-maintainers:
MAINTAINERS: Add x86 ACPI paths to the ACPI entry
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