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Building with UBSAN_DIV_ZERO with clang produces numerous fallthrough
warnings from objtool.
In the case of uncheck division, UBSAN_DIV_ZERO may introduce new
control flow to check for division by zero.
Because the result of the division is undefined, LLVM may optimize the
control flow such that after the call to __ubsan_handle_divrem_overflow
doesn't matter. If panic_on_warn was set,
__ubsan_handle_divrem_overflow would panic.
The problem is is that panic_on_warn is run time configurable. If it's
disabled, then we cannot guarantee that we will be able to recover
safely. Disable this config for clang until we can come up with a
solution in LLVM.
Link: https://github.com/ClangBuiltLinux/linux/issues/1657
Link: https://github.com/llvm/llvm-project/issues/56289
Link: https://lore.kernel.org/lkml/CAHk-=wj1qhf7y3VNACEexyp5EbkNpdcu_542k-xZpzmYLOjiCg@mail.gmail.com/
Reported-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This reverts commit 4a57a8400075bc5287c5c877702c68aeae2a033d.
Dave Chinner reports:
"As I suspected would occur, this change causes test failures. e.g
generic/517 in fstests fails with:
generic/517 1s ... - output mismatch [..]
-deduped 131172/131172 bytes at offset 65536
+deduped 131072/131172 bytes at offset 65536"
can you please revert this commit for the 5.19 series to give us more
time to investigate and consider the impact of the the API change on
userspace applications before we commit to changing the API"
That changed return value seems to reflect reality, but with the fstest
change, let's revert for now.
Requested-by: Dave Chinner <david@fromorbit.com>
Link: https://lore.kernel.org/all/20220714223238.GH3600936@dread.disaster.area/
Cc: Ansgar Lößer <ansgar.loesser@tu-darmstadt.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Clang warns:
arch/x86/kernel/cpu/bugs.c:58:21: error: section attribute is specified on redeclared variable [-Werror,-Wsection]
DEFINE_PER_CPU(u64, x86_spec_ctrl_current);
^
arch/x86/include/asm/nospec-branch.h:283:12: note: previous declaration is here
extern u64 x86_spec_ctrl_current;
^
1 error generated.
The declaration should be using DECLARE_PER_CPU instead so all
attributes stay in sync.
Cc: stable@vger.kernel.org
Fixes: fc02735b14ff ("KVM: VMX: Prevent guest RSB poisoning attacks with eIBRS")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The node names should be generic and DT schema expects certain pattern
(e.g. with key/button/switch).
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220624170811.66395-1-krzysztof.kozlowski@linaro.org
Link: https://lore.kernel.org/all/20220616005224.18391-1-krzysztof.kozlowski@linaro.org/
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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When CONFIG_KEXEC_FILE=y but CONFIG_KEXEC is not set:
kernel/kexec_core.o: In function `kimage_free':
kexec_core.c:(.text+0xa0c): undefined reference to `machine_kexec_cleanup'
kernel/kexec_core.o: In function `.L0 ':
kexec_core.c:(.text+0xde8): undefined reference to `machine_crash_shutdown'
kexec_core.c:(.text+0xdf4): undefined reference to `machine_kexec'
kernel/kexec_core.o: In function `.L231':
kexec_core.c:(.text+0xe1c): undefined reference to `riscv_crash_save_regs'
kernel/kexec_core.o: In function `.L0 ':
kexec_core.c:(.text+0x119e): undefined reference to `machine_shutdown'
kernel/kexec_core.o: In function `.L312':
kexec_core.c:(.text+0x11b2): undefined reference to `machine_kexec'
kernel/kexec_file.o: In function `.L0 ':
kexec_file.c:(.text+0xb84): undefined reference to `machine_kexec_prepare'
kernel/kexec_file.o: In function `.L177':
kexec_file.c:(.text+0xc5a): undefined reference to `machine_kexec_prepare'
Makefile:1160: recipe for target 'vmlinux' failed
make: *** [vmlinux] Error 1
These symbols should depend on CONFIG_KEXEC_CORE rather than CONFIG_KEXEC
when kexec_file has been implemented on RISC-V, like the other archs have
done.
Signed-off-by: Li Zhengyu <lizhengyu3@huawei.com>
Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20220601070204.26882-1-lizhengyu3@huawei.com
Fixes: 6261586e0c91 ("RISC-V: Add kexec_file support")
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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When CONFIG_MODULES is not set/enabled:
../arch/riscv/kernel/elf_kexec.c:353:9: error: unknown type name 'Elf_Rela'; did you mean 'Elf64_Rela'?
353 | Elf_Rela *relas;
| ^~~~~~~~
| Elf64_Rela
Replace Elf_Rela by Elf64_Rela to avoid relying on CONFIG_MODULES.
Signed-off-by: Li Zhengyu <lizhengyu3@huawei.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20220601063924.13037-1-lizhengyu3@huawei.com
Fixes: 838b3e28488f ("RISC-V: Load purgatory in kexec_file")
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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It's a home router with 1 GiB of RAM, 6 Ethernet ports, 2 USB ports.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: William Zhang <william.zhang@broadcom.com>
Link: https://lore.kernel.org/r/20220713200351.28526-2-zajec5@gmail.com
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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Both THERMAL and THERMAL_OF are user-selectable and we should not force
the selection of those Kconfig entries.
Link: https://lore.kernel.org/r/20220711222919.4048833-1-f.fainelli@gmail.com
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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"numa_stat" should not be included in the scope of CONFIG_HUGETLB_PAGE, if
CONFIG_HUGETLB_PAGE is not configured even if CONFIG_NUMA is configured,
"numa_stat" is missed form /proc. Move it out of CONFIG_HUGETLB_PAGE to
fix it.
Fixes: 4518085e127d ("mm, sysctl: make NUMA stats configurable")
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Cc: <stable@vger.kernel.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
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Change dm-writecache, so that it counts the number of blocks discarded
instead of the number of discard bios. Make it consistent with the
read and write statistics counters that were changed to count the
number of blocks instead of bios.
Fixes: e3a35d03407c ("dm writecache: add event counters")
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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Change dm-writecache, so that it counts the number of blocks written
instead of the number of write bios. Bios can be split and requeued
using the dm_accept_partial_bio function, so counting bios caused
inaccurate results.
Fixes: e3a35d03407c ("dm writecache: add event counters")
Reported-by: Yu Kuai <yukuai1@huaweicloud.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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Change dm-writecache, so that it counts the number of blocks read
instead of the number of read bios. Bios can be split and requeued
using the dm_accept_partial_bio function, so counting bios caused
inaccurate results.
Fixes: e3a35d03407c ("dm writecache: add event counters")
Reported-by: Yu Kuai <yukuai1@huaweicloud.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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The functions writecache_map_remap_origin and writecache_bio_copy_ssd
only return a single value, thus they can be made to return void.
This helps simplify the following IO accounting changes.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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dm-kcopyd doesn't access the allocated pages directly, it only passes
them to dm-io which adds them to a bio list - thus, we can allocate
the pages from high memory. This will reduce pressure on the low
memory when there are a large number of kcopyd jobs in progress.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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dm-writecache has the capability to limit the number of writeback jobs
in progress. However, this feature was off by default. As such there
were some out-of-memory crashes observed when lowering the low
watermark while the cache is full.
This commit enables writeback limit by default. It is set to 256MiB or
1/16 of total system memory, whichever is smaller.
Cc: stable@vger.kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter, bpf and wireless.
Still no major regressions, the release continues to be calm. An
uptick of fixes this time around due to trivial data race fixes and
patches flowing down from subtrees.
There has been a few driver fixes (particularly a few fixes for false
positives due to 66e4c8d95008 which went into -next in May!) that make
me worry the wide testing is not exactly fully through.
So "calm" but not "let's just cut the final ASAP" vibes over here.
Current release - regressions:
- wifi: rtw88: fix write to const table of channel parameters
Current release - new code bugs:
- mac80211: add gfp_t arg to ieeee80211_obss_color_collision_notify
- mlx5:
- TC, allow offload from uplink to other PF's VF
- Lag, decouple FDB selection and shared FDB
- Lag, correct get the port select mode str
- bnxt_en: fix and simplify XDP transmit path
- r8152: fix accessing unset transport header
Previous releases - regressions:
- conntrack: fix crash due to confirmed bit load reordering (after
atomic -> refcount conversion)
- stmmac: dwc-qos: disable split header for Tegra194
Previous releases - always broken:
- mlx5e: ring the TX doorbell on DMA errors
- bpf: make sure mac_header was set before using it
- mac80211: do not wake queues on a vif that is being stopped
- mac80211: fix queue selection for mesh/OCB interfaces
- ip: fix dflt addr selection for connected nexthop
- seg6: fix skb checksums for SRH encapsulation/insertion
- xdp: fix spurious packet loss in generic XDP TX path
- bunch of sysctl data race fixes
- nf_log: incorrect offset to network header
Misc:
- bpf: add flags arg to bpf_dynptr_read and bpf_dynptr_write APIs"
* tag 'net-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (87 commits)
nfp: flower: configure tunnel neighbour on cmsg rx
net/tls: Check for errors in tls_device_init
MAINTAINERS: Add an additional maintainer to the AMD XGBE driver
xen/netback: avoid entering xenvif_rx_next_skb() with an empty rx queue
selftests/net: test nexthop without gw
ip: fix dflt addr selection for connected nexthop
net: atlantic: remove aq_nic_deinit() when resume
net: atlantic: remove deep parameter on suspend/resume functions
sfc: fix kernel panic when creating VF
seg6: bpf: fix skb checksum in bpf_push_seg6_encap()
seg6: fix skb checksum in SRv6 End.B6 and End.B6.Encaps behaviors
seg6: fix skb checksum evaluation in SRH encapsulation/insertion
sfc: fix use after free when disabling sriov
net: sunhme: output link status with a single print.
r8152: fix accessing unset transport header
net: stmmac: fix leaks in probe
net: ftgmac100: Hold reference returned by of_get_child_by_name()
nexthop: Fix data-races around nexthop_compat_mode.
ipv4: Fix data-races around sysctl_ip_dynaddr.
tcp: Fix a data-race around sysctl_tcp_ecn_fallback.
...
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Commit 3a0cf7ab8df3 ("ACPI: video: Change how we determine if brightness
key-presses are handled") made acpi_video_handles_brightness_key_presses()
report false when none of the ACPI Video Devices support backlight control.
But it turns out that at least on a Dell Inspiron N4010 there is no ACPI
backlight control, yet brightness hotkeys are still reported through
the ACPI Video Bus; and since acpi_video_handles_brightness_key_presses()
now returns false, brightness keypresses are now reported twice.
To fix this rename the has_backlight flag to may_report_brightness_keys and
also set it the first time a brightness key press event is received.
Depending on the delivery of the other ACPI (WMI) event vs the ACPI Video
Bus event this means that the first brightness key press might still get
reported twice, but all further keypresses will be filtered as before.
Note that this relies on other drivers reporting brightness key events
calling acpi_video_handles_brightness_key_presses() when delivering
the events (rather then once during driver probe). This is already
required and documented in include/acpi/video.h:
/*
* Note: The value returned by acpi_video_handles_brightness_key_presses()
* may change over time and should not be cached.
*/
Fixes: 3a0cf7ab8df3 ("ACPI: video: Change how we determine if brightness key-presses are handled")
Link: https://lore.kernel.org/regressions/CALF=6jEe5G8+r1Wo0vvz4GjNQQhdkLT5p8uCHn6ZXhg4nsOWow@mail.gmail.com/
Reported-and-tested-by: Ben Greening <bgreening@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20220713211101.85547-2-hdegoede@redhat.com
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Pull cifs fixes from Steve French:
"Three smb3 client fixes:
- two multichannel fixes: fix a potential deadlock freeing a channel,
and fix a race condition on failed creation of a new channel
- mount failure fix: work around a server bug in some common older
Samba servers by avoiding padding at the end of the negotiate
protocol request"
* tag '5.19-rc6-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb3: workaround negprot bug in some Samba servers
cifs: remove unnecessary locking of chan_lock while freeing session
cifs: fix race condition with delayed threads
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git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fixes from Chuck Lever:
"Notable regression fixes:
- Enable SETATTR(time_create) to fix regression with Mac OS clients
- Fix a lockd crasher and broken NLM UNLCK behavior"
* tag 'nfsd-5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
lockd: fix nlm_close_files
lockd: set fl_owner when unlocking files
NFSD: Decode NFSv4 birth time attribute
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git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull integrity fixes from Mimi Zohar:
"Here are a number of fixes for recently found bugs.
Only 'ima: fix violation measurement list record' was introduced in
the current release. The rest address existing bugs"
* tag 'integrity-v5.19-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
ima: Fix potential memory leak in ima_init_crypto()
ima: force signature verification when CONFIG_KEXEC_SIG is configured
ima: Fix a potential integer overflow in ima_appraise_measurement
ima: fix violation measurement list record
Revert "evm: Fix memleak in init_desc"
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Pull ARM fixes from Russell King:
- quieten the spectre-bhb prints
- mark flattened device tree sections as shareable
- remove some obsolete CPU domain code and help text
- fix thumb unaligned access abort emulation
- fix amba_device_add() refcount underflow
- fix literal placement
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 9208/1: entry: add .ltorg directive to keep literals in range
ARM: 9207/1: amba: fix refcount underflow if amba_device_add() fails
ARM: 9214/1: alignment: advance IT state after emulating Thumb instruction
ARM: 9213/1: Print message about disabled Spectre workarounds only once
ARM: 9212/1: domain: Modify Kconfig help text
ARM: 9211/1: domain: drop modify_domain()
ARM: 9210/1: Mark the FDT_FIXED sections as shareable
ARM: 9209/1: Spectre-BHB: avoid pr_info() every time a CPU comes out of idle
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The UML function names to_virt() and to_phys() are exposed by UML
headers, and are very generic and may be defined by drivers. As it
turns out, commit 9409c9b6709e ("pmem: refactor pmem_clear_poison()")
did exactly that.
This results in build errors such as the following when trying to build
um:allmodconfig:
drivers/nvdimm/pmem.c: In function ‘pmem_dax_zero_page_range’:
./arch/um/include/asm/page.h:105:20: error: too few arguments to function ‘to_phys’
105 | #define __pa(virt) to_phys((void *) (unsigned long) (virt))
| ^~~~~~~
Use less generic function names for the um specific to_phys() and
to_virt() functions to fix the problem and to avoid similar problems in
the future.
Fixes: 9409c9b6709e ("pmem: refactor pmem_clear_poison()")
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Both genpd_debug_add() and genpd_debug_remove() may be called
indirectly by other drivers while genpd_debugfs_dir is not yet
set. For example, drivers can call pm_genpd_init() in probe or
pm_genpd_init() in probe fail/cleanup path:
pm_genpd_init()
--> genpd_debug_add()
pm_genpd_remove()
--> genpd_remove()
--> genpd_debug_remove()
At this time, genpd_debug_init() may not yet be called.
genpd_debug_add() checks that if genpd_debugfs_dir is NULL, it
will return directly. Make sure this is also checked
in pm_genpd_remove(), otherwise components under debugfs root
which has the same name as other components under pm_genpd may
be accidentally removed, since NULL represents debugfs root.
Fixes: 718072ceb211 ("PM: domains: create debugfs nodes when adding power domains")
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Hopefully the last one for 5.19. This became bigger than wished, but
all changes are pretty device-specific small fixes, which look less
worrisome.
The majority of changes are about various ASoC fixes, while the usual
HD-audio quirks are included as well"
* tag 'sound-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (28 commits)
ALSA: hda/realtek - Enable the headset-mic on a Xiaomi's laptop
ALSA: hda/realtek - Fix headset mic problem for a HP machine with alc221
ALSA: hda/realtek: fix mute/micmute LEDs for HP machines
ALSA: hda/realtek - Fix headset mic problem for a HP machine with alc671
ALSA: hda - Add fixup for Dell Latitidue E5430
ALSA: hda/conexant: Apply quirk for another HP ProDesk 600 G3 model
ALSA: hda/realtek: Fix headset mic for Acer SF313-51
ASoC: Intel: Skylake: Correct the handling of fmt_config flexible array
ASoC: Intel: Skylake: Correct the ssp rate discovery in skl_get_ssp_clks()
ASoC: rt5640: Fix the wrong state of JD1 and JD2
ASoC: Intel: sof_rt5682: fix out-of-bounds array access
ASoC: qdsp6: fix potential memory leak in q6apm_get_audioreach_graph()
ASoC: tas2764: Fix amp gain register offset & default
ASoC: tas2764: Correct playback volume range
ASoC: tas2764: Fix and extend FSYNC polarity handling
ASoC: tas2764: Add post reset delays
ASoC: dt-bindings: Fix description for msm8916
ASoC: doc: Capitalize RESET line name
ASoC: arizona: Update arizona_aif_cfg_changed to use RX_BCLK_RATE
ASoC: cs47l92: Fix event generation for OUT1 demux
...
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Taking a recent change in the i8042 quirklist to this one: Clevo
board_names are somewhat unique, and if not: The generic Board_-/Sys_Vendor
string "Notebook" doesn't help much anyway. So identifying the devices just
by the board_name helps keeping the list significantly shorter and might
even hit more devices requiring the fix.
Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
Fixes: c844d22fe0c0 ("ACPI: video: Force backlight native for Clevo NL5xRU and NL5xNU")
Cc: All applicable <stable@vger.kernel.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The TongFang PF5PU1G, PF4NU1F, PF5NU1G, and PF5LUXG/TUXEDO BA15 Gen10,
Pulse 14/15 Gen1, and Pulse 15 Gen2 have the same problem as the Clevo
NL5xRU and NL5xNU/TUXEDO Aura 15 Gen1 and Gen2:
They have a working native and video interface. However the default
detection mechanism first registers the video interface before
unregistering it again and switching to the native interface during boot.
This results in a dangling SBIOS request for backlight change for some
reason, causing the backlight to switch to ~2% once per boot on the first
power cord connect or disconnect event. Setting the native interface
explicitly circumvents this buggy behaviour by avoiding the unregistering
process.
Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
Cc: All applicable <stable@vger.kernel.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Going forward, I'll be using my kernel.org for upstream work.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20220714112533.539910-9-lee@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Remove the code checking and returning uninitialized variable.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Link: https://lore.kernel.org/r/20220714101212.502824-1-axel.lin@ingics.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Improve static type checking by using the enum req_op type for request
operations.
Reviewed-by: Johannes Thumshirn <jth@kernel.org>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Cc: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-64-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve static type checking by using the enum req_op type for variables
that represent a request operation and the new blk_opf_t type for the
combination of a request operation with request flags.
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-63-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve static type checking by using the enum req_op type for variables
that represent a request operation and the new blk_opf_t type for
variables that represent request flags. Combine the first two
hib_submit_io() arguments into a single argument.
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-62-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve static type checking by using the enum req_op type for variables
that represent a request operation and the new blk_opf_t type for
variables that represent request flags. Combine the last two
o2hb_setup_one_bio() arguments into a single argument.
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-61-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve static type checking by using enum req_op instead of u32 for
block layer request operations.
Cc: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-60-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve static type checking by using the enum req_op type for variables
that represent a request operation and the new blk_opf_t type for
variables that represent request flags. Combine the 'mode' and
'mode_flags' arguments of nilfs_btnode_submit_block into a single
argument 'opf'.
Reviewed-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-59-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve static type checking by using enum req_op for request operations.
Rename an 'rw' argument into 'op' since that name is typically used for
request operations. This patch does not change any functionality. Note:
REQ_OP_READ = READ = 0 and REQ_OP_WRITE = WRITE = 1.
Cc: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: Anna Schumaker <anna@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-58-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Commit 2a222ca992c3 ("fs: have submit_bh users pass in op and flags
separately") renamed the jbd2_write_superblock() 'write_op' argument into
'write_flags'. Propagate this change to the jbd2_write_superblock()
callers. Additionally, change the type of 'write_flags' into blk_opf_t.
Cc: Mike Christie <michael.christie@oracle.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-57-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve static type checking by using the enum req_op type for variables
that represent a request operation and the new blk_opf_t type for
the combination of a request operation and request flags.
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-56-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve static type checking by using the enum req_op type for variables
that represent a request operation and the new blk_opf_t type for
variables that represent request flags. Combine the last two
hfsplus_submit_bio() arguments into a single argument.
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-55-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve static type checking by using the enum req_op type for variables
that represent a request operation and the new blk_opf_t type for
variables that represent request flags. Combine the first two
gfs2_submit_bhs() arguments into a single argument.
Reviewed-by: Andreas Gruenbacher <agruenba@redhat.com>
Cc: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-54-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve static type checking by using the enum req_op type for variables
that represent a request operation and the new blk_opf_t type for
variables that represent request flags.
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-53-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve static type checking by using the new blk_opf_t type for
variables that represent request flags.
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Baokun Li <libaokun1@huawei.com>
Cc: Ye Bin <yebin10@huawei.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-52-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve static type checking by using the enum req_op type for variables
that represent a request operation and the new blk_opf_t type for
variables that represent request flags.
Acked-by: David Sterba <dsterba@suse.com>
Cc: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-51-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve static type checking by using the new blk_opf_t type for the
combination of a block layer request with block layer request flags.
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-50-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Reduce the size of struct dio by combining the 'op' and 'op_flags' into
the new 'opf' member. Use the new blk_opf_t type to improve static type
checking. This patch does not change any functionality.
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-49-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Both submit_bh() and ll_rw_block() accept a request operation type and
request flags as their first two arguments. Micro-optimize these two
functions by combining these first two arguments into a single argument.
This patch does not change the behavior of any of the modified code.
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Jan Kara <jack@suse.cz>
Acked-by: Song Liu <song@kernel.org> (for the md changes)
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-48-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve static type checking by using the new blk_opf_t type for block layer
request flags. Change WRITE into REQ_OP_WRITE. This patch does not change
any functionality since REQ_OP_WRITE == WRITE == 1.
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-47-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve static type checking by using the new blk_opf_t type for block
layer request flags.
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jan Kara <jack@suse.cz>
Cc: Stefan Roesch <shr@fb.com>
Cc: NeilBrown <neilb@suse.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-46-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve static type checking by using the new blk_opf_t type for variables
that represent a request operation combined with request flags.
Cc: Mike Christie <michael.christie@oracle.com>
Cc: Bodo Stroesser <bostroesser@gmail.com>
Cc: Mingzhe Zou <mingzhe.zou@easystack.cn>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-45-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve consistency of the kernel code by renaming a request operation
argument from 'dir' into 'op'.
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-44-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve static type checking by using the new blk_opf_t type for variables
that represent request flags.
Cc: Hannes Reinecke <hare@suse.com>
Cc: Martin Wilck <mwilck@suse.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-43-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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