The gmin_subdev_add() currently doesn't use ACPI device
power management. In order to prepare for adding support
for it, let's shift some things, placing the PM-related
stuff at the end of the probing logic.
Let's also store the current gs on a temporary var, in
order to simplify the source code.
Tested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The double poll additions were centered around doing POLL_ADD on file
descriptors that use more than one waitqueue (typically one for read,
one for write) when being polled. However, it can also end up being
triggered for when we use poll triggered retry. For that case, we cannot
safely use req->io, as that could be used by the request type itself.
Add a second io_poll_iocb pointer in the structure we allocate for poll
based retry, and ensure we use the right one from the two paths.
Fixes: 18bceab101 ("io_uring: allow POLL_ADD with double poll_wait() users")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This time there are a number of actual code fixes, plus
a small set of device tree issues getting addressed:
- Renesas:
- one defconfig cleanup to allow a later Kconfig change
- Intel socfpga:
- enable QSPI devices on some machines
- fix DTC validation warnings
- TI OMAP:
- Two DEBUG_ATOMIC_SLEEP fixes for ti-sysc interconnect target module
driver
- A regression fix for ti-sysc no-idle handling that caused issues
compared to earlier platform data based booting
- A fix for memory leak for omap_hwmod_allocate_module
- Fix d_can driver probe for am437x
- NXP i.MX
- A couple of fixes on i.MX platform device registration code to stop
the use of invalid IRQ 0.
- Fix a regression seen on ls1021a platform, caused by commit
52102a3ba6 ("soc: imx: move cpu code to drivers/soc/imx").
- Fix a misconfiguration of audio SSI on imx6qdl-gw551x board.
- Amlogic Meson
- misc DT fixes
- SoC ID fixes to detect all chips correctly
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-fixes-5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc into master
Pull ARM SoC fixes from Arnd Bergmann:
"This time there are a number of actual code fixes, plus a small set of
device tree issues getting addressed:
Renesas:
- one defconfig cleanup to allow a later Kconfig change
Intel socfpga:
- enable QSPI devices on some machines
- fix DTC validation warnings
TI OMAP:
- Two DEBUG_ATOMIC_SLEEP fixes for ti-sysc interconnect target
module driver
- A regression fix for ti-sysc no-idle handling that caused issues
compared to earlier platform data based booting
- A fix for memory leak for omap_hwmod_allocate_module
- Fix d_can driver probe for am437x
NXP i.MX:
- A couple of fixes on i.MX platform device registration code to
stop the use of invalid IRQ 0.
- Fix a regression seen on ls1021a platform, caused by commit
52102a3ba6 ("soc: imx: move cpu code to drivers/soc/imx").
- Fix a misconfiguration of audio SSI on imx6qdl-gw551x board.
Amlogic Meson:
- misc DT fixes
- SoC ID fixes to detect all chips correctly"
* tag 'arm-fixes-5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
arm64: dts: spcfpga: Align GIC, NAND and UART nodenames with dtschema
ARM: dts: socfpga: Align L2 cache-controller nodename with dtschema
arm64: dts: stratix10: increase QSPI reg address in nand dts file
arm64: dts: stratix10: add status to qspi dts node
arm64: dts: agilex: add status to qspi dts node
ARM: dts: Fix dcan driver probe failed on am437x platform
ARM: OMAP2+: Fix possible memory leak in omap_hwmod_allocate_module
arm64: defconfig: Enable CONFIG_PCIE_RCAR_HOST
soc: imx: check ls1021a
ARM: imx: Remove imx_add_imx_dma() unused irq_err argument
ARM: imx: Provide correct number of resources when registering gpio devices
ARM: dts: imx6qdl-gw551x: fix audio SSI
bus: ti-sysc: Do not disable on suspend for no-idle
bus: ti-sysc: Fix sleeping function called from invalid context for RTC quirk
bus: ti-sysc: Fix wakeirq sleeping function called from invalid context
ARM: dts: meson: Align L2 cache-controller nodename with dtschema
arm64: dts: meson-gxl-s805x: reduce initial Mali450 core frequency
arm64: dts: meson: add missing gxl rng clock
soc: amlogic: meson-gx-socinfo: Fix S905X3 and S905D3 ID's
- Fix kernel text addresses for relocatable images booting using EFI
and with KASLR disabled so that they match the vmlinux ELF binary.
- Fix unloading and unbinding of PMU driver modules.
- Fix generic mmiowb() when writeX() is called from preemptible context
(reported by the riscv folks).
- Fix ptrace hardware single-step interactions with signal handlers,
system calls and reverse debugging.
- Fix reporting of 64-bit x0 register for 32-bit tasks via 'perf_regs'.
- Add comments describing syscall entry/exit tracing ABI.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux into master
Pull arm64 fixes from Will Deacon:
"A batch of arm64 fixes.
Although the diffstat is a bit larger than we'd usually have at this
stage, a decent amount of it is the addition of comments describing
our syscall tracing behaviour, and also a sweep across all the modular
arm64 PMU drivers to make them rebust against unloading and unbinding.
There are a couple of minor things kicking around at the moment (CPU
errata and module PLTs for very large modules), but I'm not expecting
any significant changes now for us in 5.8.
- Fix kernel text addresses for relocatable images booting using EFI
and with KASLR disabled so that they match the vmlinux ELF binary.
- Fix unloading and unbinding of PMU driver modules.
- Fix generic mmiowb() when writeX() is called from preemptible
context (reported by the riscv folks).
- Fix ptrace hardware single-step interactions with signal handlers,
system calls and reverse debugging.
- Fix reporting of 64-bit x0 register for 32-bit tasks via
'perf_regs'.
- Add comments describing syscall entry/exit tracing ABI"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
drivers/perf: Prevent forced unbinding of PMU drivers
asm-generic/mmiowb: Allow mmiowb_set_pending() when preemptible()
arm64: Use test_tsk_thread_flag() for checking TIF_SINGLESTEP
arm64: ptrace: Use NO_SYSCALL instead of -1 in syscall_trace_enter()
arm64: syscall: Expand the comment about ptrace and syscall(-1)
arm64: ptrace: Add a comment describing our syscall entry/exit trap ABI
arm64: compat: Ensure upper 32 bits of x0 are zero on syscall return
arm64: ptrace: Override SPSR.SS when single-stepping is enabled
arm64: ptrace: Consistently use pseudo-singlestep exceptions
drivers/perf: Fix kernel panic when rmmod PMU modules during perf sampling
efi/libstub/arm64: Retain 2MB kernel Image alignment if !KASLR
Setting interrupt affinity on inactive interrupts is inconsistent when
hierarchical irq domains are enabled. The core code should just store the
affinity and not call into the irq chip driver for inactive interrupts
because the chip drivers may not be in a state to handle such requests.
X86 has a hacky workaround for that but all other irq chips have not which
causes problems e.g. on GIC V3 ITS.
Instead of adding more ugly hacks all over the place, solve the problem in
the core code. If the affinity is set on an inactive interrupt then:
- Store it in the irq descriptors affinity mask
- Update the effective affinity to reflect that so user space has
a consistent view
- Don't call into the irq chip driver
This is the core equivalent of the X86 workaround and works correctly
because the affinity setting is established in the irq chip when the
interrupt is activated later on.
Note, that this is only effective when hierarchical irq domains are enabled
by the architecture. Doing it unconditionally would break legacy irq chip
implementations.
For hierarchial irq domains this works correctly as none of the drivers can
have a dependency on affinity setting in inactive state by design.
Remove the X86 workaround as it is not longer required.
Fixes: 02edee152d ("x86/apic/vector: Ignore set_affinity call for inactive interrupts")
Reported-by: Ali Saidi <alisaidi@amazon.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Ali Saidi <alisaidi@amazon.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200529015501.15771-1-alisaidi@amazon.com
Link: https://lkml.kernel.org/r/877dv2rv25.fsf@nanos.tec.linutronix.de
When an expiration delta falls into the last level of the wheel, that delta
has be compared against the maximum possible delay and reduced to fit in if
necessary.
However instead of comparing the delta against the maximum, the code
compares the actual expiry against the maximum. Then instead of fixing the
delta to fit in, it sets the maximum delta as the expiry value.
This can result in various undesired outcomes, the worst possible one
being a timer expiring 15 days ahead to fire immediately.
Fixes: 500462a9de ("timers: Switch to a non-cascading wheel")
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20200717140551.29076-2-frederic@kernel.org
Reverting commit d03727b248 "NFSv4 fix CLOSE not waiting for
direct IO compeletion". This patch made it so that fput() by calling
inode_dio_done() in nfs_file_release() would wait uninterruptably
for any outstanding directIO to the file (but that wait on IO should
be killable).
The problem the patch was also trying to address was REMOVE returning
ERR_ACCESS because the file is still opened, is supposed to be resolved
by server returning ERR_FILE_OPEN and not ERR_ACCESS.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Merge tag 'io_uring-5.8-2020-07-17' of git://git.kernel.dk/linux-block into master
Pull io_uring fix from Jens Axboe:
"Fix for a case where, with automatic buffer selection, we can leak the
buffer descriptor for recvmsg"
* tag 'io_uring-5.8-2020-07-17' of git://git.kernel.dk/linux-block:
io_uring: fix recvmsg memory leak with buffer selection
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Merge tag 'fuse-fixes-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse into master
Pull fuse fixes from Miklos Szeredi:
- two regressions in this cycle caused by the conversion of writepage
list to an rb_tree
- two regressions in v5.4 cause by the conversion to the new mount API
- saner behavior of fsconfig(2) for the reconfigure case
- an ancient issue with FS_IOC_{GET,SET}FLAGS ioctls
* tag 'fuse-fixes-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: Fix parameter for FS_IOC_{GET,SET}FLAGS
fuse: don't ignore errors from fuse_writepages_fill()
fuse: clean up condition for writepage sending
fuse: reject options on reconfigure via fsconfig(2)
fuse: ignore 'data' argument of mount(..., MS_REMOUNT)
fuse: use ->reconfigure() instead of ->remount_fs()
fuse: fix warning in tree_insert() and clean up writepage insertion
fuse: move rb_erase() before tree_insert()
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Merge tag 'ovl-fixes-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs into master
Pull overlayfs fixes from Miklos Szeredi:
- fix a regression introduced in v4.20 in handling a regenerated
squashfs lower layer
- two regression fixes for this cycle, one of which is Oops inducing
- miscellaneous issues
* tag 'ovl-fixes-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: fix lookup of indexed hardlinks with metacopy
ovl: fix unneeded call to ovl_change_flags()
ovl: fix mount option checks for nfs_export with no upperdir
ovl: force read-only sb on failure to create index dir
ovl: fix regression with re-formatted lower squashfs
ovl: fix oops in ovl_indexdir_cleanup() with nfs_export=on
ovl: relax WARN_ON() when decoding lower directory file handle
ovl: remove not used argument in ovl_check_origin
ovl: change ovl_copy_up_flags static
ovl: inode reference leak in ovl_is_inuse true case.
A couple of small driver specific fixes for fairly minor issues.
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Merge tag 'spi-fix-v5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into master
Pull spi fixes from Mark Brown:
"A couple of small driver specific fixes for fairly minor issues"
* tag 'spi-fix-v5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi-sun6i: sun6i_spi_transfer_one(): fix setting of clock rate
spi: mediatek: use correct SPI_CFG2_REG MACRO
The more substantial fix here is the rename of the da903x driver which
fixes a collision with the parent MFD driver name which caused issues
when things were built as modules. There's also a fix for a mislableled
regulator on the pmi8994 which is quite important for systems with that
device.
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Merge tag 'regulator-fix-v5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into master
Pull regulator fixes from Mark Brown:
"The more substantial fix here is the rename of the da903x driver which
fixes a collision with the parent MFD driver name which caused issues
when things were built as modules.
There's also a fix for a mislableled regulator on the pmi8994 which is
quite important for systems with that device"
* tag 'regulator-fix-v5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
MAINTAINERS: remove obsolete entry after file renaming
regulator: rename da903x to da903x-regulator
regulator: qcom_smd: Fix pmi8994 label
A couple of substantial fixes here, one from Doug which fixes the
debugfs code for MMIO regmaps (fortunately not the common case) and one
from Marc fixing lookups of multiple regmaps for the same device (a very
unusual case). There's also a fix for Kconfig to ensure we enable
SoundWire properly.
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Merge tag 'regmap-fix-v5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap into master
Pull regmap fixes from Mark Brown:
"A couple of substantial fixes here, one from Doug which fixes the
debugfs code for MMIO regmaps (fortunately not the common case) and
one from Marc fixing lookups of multiple regmaps for the same device
(a very unusual case).
There's also a fix for Kconfig to ensure we enable SoundWire properly"
* tag 'regmap-fix-v5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: debugfs: Don't sleep while atomic for fast_io regmaps
regmap: add missing dependency on SoundWire
regmap: dev_get_regmap_match(): fix string comparison
Pull HID fixes from Jiri Kosina:
- linked list race condition fix in hid-steam driver from Rodrigo Rivas
Costa
- assorted deviceID-specific quirks and other small cosmetic cleanups
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: logitech-hidpp: avoid repeated "multiplier = " log messages
HID: logitech: Use HIDPP_RECEIVER_INDEX instead of 0xff
HID: quirks: Ignore Simply Automated UPB PIM
HID: apple: Disable Fn-key key-re-mapping on clone keyboards
MAINTAINERS: update uhid and hid-wiimote entry
HID: steam: fixes race in handling device list.
HID: magicmouse: do not set up autorepeat
HID: alps: support devices with report id 2
HID: quirks: Always poll Obins Anne Pro 2 keyboard
HID: i2c-hid: add Mediacom FlexBook edge13 to descriptor override
While digging through the recent mmiowb preemption issue it came up that
we aren't actually preventing IO from crossing a scheduling boundary.
While it's a bit ugly to overload smp_mb__after_spinlock() with this
behavior, it's what PowerPC is doing so there's some precedent.
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
An awful lot of mostly small fixes here, mainly for x86 based platforms
and the CODEC drivers mainly used on them. For the most part this is
either minor device specific stuff which seems to come from detailed
testing or robustness against errors which comes from people having done
some fuzzing runs aginst the topology code.
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Merge tag 'asoc-fix-v5.8-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v5.8
An awful lot of mostly small fixes here, mainly for x86 based platforms
and the CODEC drivers mainly used on them. For the most part this is
either minor device specific stuff which seems to come from detailed
testing or robustness against errors which comes from people having done
some fuzzing runs aginst the topology code.
- Replace CONFIG_PCIE_RCAR by CONFIG_PCIE_RCAR_HOST in the defconfig,
to unblock a planned Kconfig change.
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Merge tag 'renesas-fixes-for-v5.8-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/fixes
Renesas fixes for v5.8
- Replace CONFIG_PCIE_RCAR by CONFIG_PCIE_RCAR_HOST in the defconfig,
to unblock a planned Kconfig change.
* tag 'renesas-fixes-for-v5.8-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
arm64: defconfig: Enable CONFIG_PCIE_RCAR_HOST
Link: https://lore.kernel.org/r/20200717100523.15418-1-geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
No surprise here, just a few device-specific small fixes: two fixes
for USB LINE6 and one for USB-audio drivers wrt syzkaller fuzzer
issues, while the rest are all HD-audio Realtek quirks.
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Merge tag 'sound-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound into master
Pull sound fixes from Takashi Iwai:
"No surprise here, just a few device-specific small fixes: two fixes
for USB LINE6 and one for USB-audio drivers wrt syzkaller fuzzer
issues, while the rest are all HD-audio Realtek quirks"
* tag 'sound-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek - fixup for yet another Intel reference board
ALSA: hda/realtek - Enable Speaker for ASUS UX563
ALSA: hda/realtek - Enable Speaker for ASUS UX533 and UX534
ALSA: hda/realtek: Enable headset mic of Acer TravelMate B311R-31 with ALC256
ALSA: hda/realtek: enable headset mic of ASUS ROG Zephyrus G14(G401) series with ALC289
ALSA: hda/realtek - change to suitable link model for ASUS platform
ALSA: usb-audio: Fix race against the error recovery URB submission
ALSA: line6: Sync the pending work cancel at disconnection
ALSA: line6: Perform sanity check for each URB creation
Right now, the driver is not doing the right thing to detect
the clock like used by the sensor, at least on devices
without the gmin's EFI vars.
Add some notes at the code to explain why and skip the wrong
value provided by the _DSM table.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
To pick up the changes from:
83d31e5271 ("KVM: nVMX: fixes for preemption timer migration")
That don't entail changes in tooling.
This silences these tools/perf build warnings:
Warning: Kernel ABI header at 'tools/arch/x86/include/uapi/asm/kvm.h' differs from latest version at 'arch/x86/include/uapi/asm/kvm.h'
diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick up the changes in:
b2f9f1535b ("libbpf: Fix libbpf hashmap on (I)LP32 architectures")
Silencing this warning:
Warning: Kernel ABI header at 'tools/perf/util/hashmap.h' differs from latest version at 'tools/lib/bpf/hashmap.h'
diff -u tools/perf/util/hashmap.h tools/lib/bpf/hashmap.h
I'll eventually update the warning to remove the "Kernel ABI" part
and instead state libbpf when noticing that the original is at
"tools/lib/something".
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andriin@fb.com>
Cc: Jakub Bogusz <qboosh@pld-linux.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Ian Rogers <irogers@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Any option macro with _SET suffix should set opt->set variable which is
not happening for OPT_CALLBACK_SET(). This is causing issues with perf
record --switch-output-event. Fix that.
Before:
# ./perf record --overwrite -e sched:*switch,syscalls:sys_enter_mmap \
--switch-output-event syscalls:sys_enter_mmap
^C[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.297 MB perf.data (657 samples) ]
After:
$ ./perf record --overwrite -e sched:*switch,syscalls:sys_enter_mmap \
--switch-output-event syscalls:sys_enter_mmap
[ perf record: dump data: Woken up 1 times ]
[ perf record: Dump perf.data.2020061918144542 ]
[ perf record: dump data: Woken up 1 times ]
[ perf record: Dump perf.data.2020061918144608 ]
[ perf record: dump data: Woken up 1 times ]
[ perf record: Dump perf.data.2020061918144660 ]
^C[ perf record: dump data: Woken up 1 times ]
[ perf record: Dump perf.data.2020061918144784 ]
[ perf record: Woken up 0 times to write data ]
[ perf record: Dump perf.data.2020061918144803 ]
[ perf record: Captured and wrote 0.419 MB perf.data.<timestamp> ]
Fixes: 636eb4d001 ("libsubcmd: Introduce OPT_CALLBACK_SET()")
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lore.kernel.org/lkml/20200619133412.50705-1-ravi.bangoria@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
When the extra HPD polling in sun4i_hdmi was removed, the result of
HPD was accidentally inverted.
Fix this by inverting the check.
Fixes: bda8eaa6de ("drm: sun4i: hdmi: Remove extra HPD polling")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Tested-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200711011030.21997-1-wens@kernel.org
Forcefully unbinding PMU drivers during perf sampling will lead to
a kernel panic, because the perf upper-layer framework call a NULL
pointer in this situation.
To solve this issue, "suppress_bind_attrs" should be set to true, so
that bind/unbind can be disabled via sysfs and prevent unbinding PMU
drivers during perf sampling.
Signed-off-by: Qi Liu <liuqi115@huawei.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Link: https://lore.kernel.org/r/1594975763-32966-1-git-send-email-liuqi115@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
Although mmiowb() is concerned only with serialising MMIO writes occuring
in contexts where a spinlock is held, the call to mmiowb_set_pending()
from the MMIO write accessors can occur in preemptible contexts, such
as during driver probe() functions where ordering between CPUs is not
usually a concern, assuming that the task migration path provides the
necessary ordering guarantees.
Unfortunately, the default implementation of mmiowb_set_pending() is not
preempt-safe, as it makes use of a a per-cpu variable to track its
internal state. This has been reported to generate the following splat
on riscv:
| BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1
| caller is regmap_mmio_write32le+0x1c/0x46
| CPU: 3 PID: 1 Comm: swapper/0 Not tainted 5.8.0-rc3-hfu+ #1
| Call Trace:
| walk_stackframe+0x0/0x7a
| dump_stack+0x6e/0x88
| regmap_mmio_write32le+0x18/0x46
| check_preemption_disabled+0xa4/0xaa
| regmap_mmio_write32le+0x18/0x46
| regmap_mmio_write+0x26/0x44
| regmap_write+0x28/0x48
| sifive_gpio_probe+0xc0/0x1da
Although it's possible to fix the driver in this case, other splats have
been seen from other drivers, including the infamous 8250 UART, and so
it's better to address this problem in the mmiowb core itself.
Fix mmiowb_set_pending() by using the raw_cpu_ptr() to get at the mmiowb
state and then only updating the 'mmiowb_pending' field if we are not
preemptible (i.e. we have a non-zero nesting count).
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Guo Ren <guoren@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Reported-by: Palmer Dabbelt <palmer@dabbelt.com>
Reported-by: Emil Renner Berthing <kernel@esmil.dk>
Tested-by: Emil Renner Berthing <kernel@esmil.dk>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>
Link: https://lore.kernel.org/r/20200716112816.7356-1-will@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
snd_info_get_line() has a sanity check of NULL buffer -- both buffer
itself being NULL and buffer->buffer being NULL. Basically both
checks are valid and necessary, but the problem is that it's with
snd_BUG_ON() macro that triggers WARN_ON(). The latter condition
(NULL buffer->buffer) can be met arbitrarily by user since the buffer
is allocated at the first write, so it means that user can trigger
WARN_ON() at will.
This patch addresses it by simply moving buffer->buffer NULL check out
of snd_BUG_ON() so that spurious WARNING is no longer triggered.
Reported-by: syzbot+e42d0746c3c3699b6061@syzkaller.appspotmail.com
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200717084023.5928-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
dma-buf:
- sleeping atomic fix
amdgpu:
- Fix a race condition with KIQ
- Preemption fix
- Fix handling of fake MST encoders
- OLED panel fix
- Handle allocation failure in stream construction
- Renoir SMC fix
- SDMA 5.x fix
i915:
- FBC w/a stride fix
- Fix use-after-free fix on module reload
- Ignore irq enabling on the virtual engines to fix device sleep
- Use GTT when saving/restoring engine GPR
- Fix selftest sort function
vmwgfx:
- black screen fix
aspeed:
- fbcon init warn fix
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Merge tag 'drm-fixes-2020-07-17-1' of git://anongit.freedesktop.org/drm/drm into master
Pull drm fixes from Dave Airlie:
"Weekly fixes pull, big bigger than I'd normally like, but they are
fairly scattered and small individually.
The vmwgfx one is a black screen regression, otherwise the largest is
an MST encoder fix for amdgpu which results in a WARN in some cases,
and a scattering of i915 fixes.
I'm tracking two regressions at the moment that hopefully we get
nailed down this week for rc7.
dma-buf:
- sleeping atomic fix
amdgpu:
- Fix a race condition with KIQ
- Preemption fix
- Fix handling of fake MST encoders
- OLED panel fix
- Handle allocation failure in stream construction
- Renoir SMC fix
- SDMA 5.x fix
i915:
- FBC w/a stride fix
- Fix use-after-free fix on module reload
- Ignore irq enabling on the virtual engines to fix device sleep
- Use GTT when saving/restoring engine GPR
- Fix selftest sort function
vmwgfx:
- black screen fix
aspeed:
- fbcon init warn fix"
* tag 'drm-fixes-2020-07-17-1' of git://anongit.freedesktop.org/drm/drm:
drm/amdgpu/sdma5: fix wptr overwritten in ->get_wptr()
drm/amdgpu/powerplay: Modify SMC message name for setting power profile mode
drm/amd/display: handle failed allocation during stream construction
drm/amd/display: OLED panel backlight adjust not work with external display connected
drm/amdgpu/display: create fake mst encoders ahead of time (v4)
drm/amdgpu: fix preemption unit test
drm/amdgpu/gfx10: fix race condition for kiq
drm/i915: Recalculate FBC w/a stride when needed
drm/i915: Move cec_notifier to intel_hdmi_connector_unregister, v2.
drm/i915/gt: Only swap to a random sibling once upon creation
drm/i915/gt: Ignore irq enabling on the virtual engines
drm/i915/perf: Use GTT when saving/restoring engine GPR
drm/i915/selftests: Fix compare functions provided for sorting
drm/vmwgfx: fix update of display surface when resolution changes
dmabuf: use spinlock to access dmabuf->name
drm/aspeed: Call drm_fbdev_generic_setup after drm_dev_register
task_h_load() can return 0 in some situations like running stress-ng
mmapfork, which forks thousands of threads, in a sched group on a 224 cores
system. The load balance doesn't handle this correctly because
env->imbalance never decreases and it will stop pulling tasks only after
reaching loop_max, which can be equal to the number of running tasks of
the cfs. Make sure that imbalance will be decreased by at least 1.
misfit task is the other feature that doesn't handle correctly such
situation although it's probably more difficult to face the problem
because of the smaller number of CPUs and running tasks on heterogenous
system.
We can't simply ensure that task_h_load() returns at least one because it
would imply to handle underflow in other places.
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Valentin Schneider <valentin.schneider@arm.com>
Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Tested-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Cc: <stable@vger.kernel.org> # v4.4+
Link: https://lkml.kernel.org/r/20200710152426.16981-1-vincent.guittot@linaro.org
Few fixes for issues noticed during testing:
- Two DEBUG_ATOMIC_SLEEP fixes for ti-sysc interconnect target module
driver
- A regression fix for ti-sysc no-idle handling that caused issues
compared to earlier platform data based booting
- A fix for memory leak for omap_hwmod_allocate_module
- Fix d_can driver probe for am437x
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Merge tag 'omap-for-v5.8/fixes-rc5-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fixes for omaps for v5.8-rc cycle
Few fixes for issues noticed during testing:
- Two DEBUG_ATOMIC_SLEEP fixes for ti-sysc interconnect target module
driver
- A regression fix for ti-sysc no-idle handling that caused issues
compared to earlier platform data based booting
- A fix for memory leak for omap_hwmod_allocate_module
- Fix d_can driver probe for am437x
* tag 'omap-for-v5.8/fixes-rc5-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: Fix dcan driver probe failed on am437x platform
ARM: OMAP2+: Fix possible memory leak in omap_hwmod_allocate_module
bus: ti-sysc: Do not disable on suspend for no-idle
bus: ti-sysc: Fix sleeping function called from invalid context for RTC quirk
bus: ti-sysc: Fix wakeirq sleeping function called from invalid context
Link: https://lore.kernel.org/r/pull-1594840100-132735@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- A couple of fixes on i.MX platform device registration code to stop
the use of invalid IRQ 0.
- Fix a regression seen on ls1021a platform, caused by commit
52102a3ba6 ("soc: imx: move cpu code to drivers/soc/imx").
- Fix a misconfiguration of audio SSI on imx6qdl-gw551x board.
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Merge tag 'imx-fixes-5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.8, round 2:
- A couple of fixes on i.MX platform device registration code to stop
the use of invalid IRQ 0.
- Fix a regression seen on ls1021a platform, caused by commit
52102a3ba6 ("soc: imx: move cpu code to drivers/soc/imx").
- Fix a misconfiguration of audio SSI on imx6qdl-gw551x board.
* tag 'imx-fixes-5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx: check ls1021a
ARM: imx: Remove imx_add_imx_dma() unused irq_err argument
ARM: imx: Provide correct number of resources when registering gpio devices
ARM: dts: imx6qdl-gw551x: fix audio SSI
Link: https://lore.kernel.org/r/20200714145649.GP15718@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
If a regmap has "fast_io" set then its lock function uses a spinlock.
That doesn't work so well with the functions:
* regmap_cache_only_write_file()
* regmap_cache_bypass_write_file()
Both of the above functions have the pattern:
1. Lock the regmap.
2. Call:
debugfs_write_file_bool()
copy_from_user()
__might_fault()
__might_sleep()
Let's reorder things a bit so that we do all of our sleepable
functions before we grab the lock.
Fixes: d3dc5430d6 ("regmap: debugfs: Allow writes to cache state settings")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20200715164611.1.I35b3533e8a80efde0cec1cc70f71e1e74b2fa0da@changeid
Signed-off-by: Mark Brown <broonie@kernel.org>
The irq work will be manipulated by resume function, and it will report
the wrong jack type while the jack type is headphone in the button event.
Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Link: https://lore.kernel.org/r/20200716030123.27122-1-oder_chiou@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
snd_byt_cht_es8316_mc_probe() misses to call put_device() in an error
path. Add the missed function call to fix it.
Fixes: ba49cf6f8e ("ASoC: Intel: bytcht_es8316: Add quirk for inverted jack detect")
Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200714080918.148196-1-jingxiangfeng@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add missing handling of a command line switch to the intel_pstate
driver (Rafael Wysocki) and fix the freeing of the operating
performance point (OPP) entries for the legacy (v1) OPP table
type (Walter Lozano).
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Merge tag 'pm-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm into master
Pull power management fixes from Rafael Wysocki:
"Add missing handling of a command line switch to the intel_pstate
driver (Rafael Wysocki) and fix the freeing of the operating
performance point (OPP) entries for the legacy (v1) OPP table type
(Walter Lozano)"
* tag 'pm-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
opp: Increase parsed_static_opps in _of_add_opp_table_v1()
cpufreq: intel_pstate: Fix active mode setting from command line
Here are number of small char/misc driver fixes for 5.8-rc6
Not that many complex fixes here, just a number of small fixes for
reported issues, and some new device ids. Nothing fancy.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc into master
Pull char/misc fixes from Greg KH:
"Here are number of small char/misc driver fixes for 5.8-rc6
Not that many complex fixes here, just a number of small fixes for
reported issues, and some new device ids. Nothing fancy.
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
virtio: virtio_console: add missing MODULE_DEVICE_TABLE() for rproc serial
intel_th: Fix a NULL dereference when hub driver is not loaded
intel_th: pci: Add Emmitsburg PCH support
intel_th: pci: Add Tiger Lake PCH-H support
intel_th: pci: Add Jasper Lake CPU support
virt: vbox: Fix guest capabilities mask check
virt: vbox: Fix VBGL_IOCTL_VMMDEV_REQUEST_BIG and _LOG req numbers to match upstream
uio_pdrv_genirq: fix use without device tree and no interrupt
uio_pdrv_genirq: Remove warning when irq is not specified
coresight: etmv4: Fix CPU power management setup in probe() function
coresight: cti: Fix error handling in probe
Revert "zram: convert remaining CLASS_ATTR() to CLASS_ATTR_RO()"
mei: bus: don't clean driver pointer
misc: atmel-ssc: lock with mutex instead of spinlock
phy: sun4i-usb: fix dereference of pointer phy0 before it is null checked
phy: rockchip: Fix return value of inno_dsidphy_probe()
phy: ti: j721e-wiz: Constify structs
phy: ti: am654-serdes: Constify regmap_config
phy: intel: fix enum type mismatch warning
phy: intel: Fix compilation error on FIELD_PREP usage
...
Here are 3 driver core fixes for 5.8-rc6.
They resolve some issues found with the deferred probe code for some
types of devices on some embedded systems. They have been tested a
bunch and have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core into master
Pull driver core fixes from Greg KH:
"Here are 3 driver core fixes for 5.8-rc6.
They resolve some issues found with the deferred probe code for some
types of devices on some embedded systems. They have been tested a
bunch and have been in linux-next for a while with no reported issues"
* tag 'driver-core-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
driver core: Avoid deferred probe due to fw_devlink_pause/resume()
driver core: Rename dev_links_info.defer_sync to defer_hook
driver core: Don't do deferred probe in parallel with kernel_init thread
Here are some IIO and staging driver fixes for 5.8-rc6.
The majority of fixes are for IIO drivers, resolving a number of small
reported issues, and there are some counter fixes in here too that were
tied to the IIO fixes. There's only one staging driver fix here, a
comedi fix found by code inspection.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging into master
Pull IIO and staging driver fixes from Greg KH:
"Here are some IIO and staging driver fixes for 5.8-rc6.
The majority of fixes are for IIO drivers, resolving a number of small
reported issues, and there are some counter fixes in here too that
were tied to the IIO fixes. There's only one staging driver fix here,
a comedi fix found by code inspection.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: comedi: verify array index is correct before using it
iio: adc: ad7780: Fix a resource handling path in 'ad7780_probe()'
iio:pressure:ms5611 Fix buffer element alignment
iio:humidity:hts221 Fix alignment and data leak issues
iio:humidity:hdc100x Fix alignment and data leak issues
iio:magnetometer:ak8974: Fix alignment and data leak issues
iio: adc: adi-axi-adc: Fix object reference counting
iio: pressure: zpa2326: handle pm_runtime_get_sync failure
counter: 104-quad-8: Add lock guards - filter clock prescaler
counter: 104-quad-8: Add lock guards - differential encoder
iio: core: add missing IIO_MOD_H2/ETHANOL string identifiers
iio: magnetometer: ak8974: Fix runtime PM imbalance on error
iio: mma8452: Add missed iio_device_unregister() call in mma8452_probe()
iio:health:afe4404 Fix timestamp alignment and prevent data leak.
iio:health:afe4403 Fix timestamp alignment and prevent data leak.
Here are some small tty and serial driver fixes for 5.8-rc6.
The largest set of patches in here is a revert of the sysrq changes that
went into 5.8-rc1 but turned out to cause a noticable overhead and cpu
usage.
Other than that, there's a few small serial driver fixes to resolve
reported issues, and finally resolving the spinlock init problem on many
serial driver consoles.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty into master
Pull tty/serial driver fixes from Greg KH:
:Here are some small tty and serial driver fixes for 5.8-rc6.
The largest set of patches in here is a revert of the sysrq changes
that went into 5.8-rc1 but turned out to cause a noticable overhead
and cpu usage.
Other than that, there's a few small serial driver fixes to resolve
reported issues, and finally resolving the spinlock init problem on
many serial driver consoles.
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: core: Initialise spin lock before use in uart_configure_port()
serial: mxs-auart: add missed iounmap() in probe failure and remove
serial: sh-sci: Initialize spinlock for uart console
Revert "tty: xilinx_uartps: Fix missing id assignment to the console"
serial: core: drop redundant sysrq checks
serial: core: fix sysrq overhead regression
Revert "serial: core: Refactor uart_unlock_and_check_sysrq()"
tty/serial: fix serial_core.c kernel-doc warnings
tty: serial: cpm_uart: Fix behaviour for non existing GPIOs
kernel panic (Bartosz Szczepanek)
- Fix debug message level to prevent flooding on some platform (Alex
Hung)
- Fix invalid bank access by reverting "thermal: mediatek: fix
register index error" (Enric Balletbo i Serra)
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Merge tag 'thermal-v5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux into master
Pull thermal fixes from Daniel Lezcano:
- Fix invalid index array access on int340x_thermal leading to a kernel
panic (Bartosz Szczepanek)
- Fix debug message level to prevent flooding on some platform (Alex
Hung)
- Fix invalid bank access by reverting "thermal: mediatek: fix register
index error" (Enric Balletbo i Serra)
* tag 'thermal-v5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux:
Revert "thermal: mediatek: fix register index error"
thermal: int3403_thermal: Downgrade error message
thermal/int340x_thermal: Prevent page fault on .set_mode() op
Here's a fix for 5.8 addressing a long-standing bug in iuu_phoenix.
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Merge tag 'usb-serial-5.8-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for 5.8-rc6
Here's a fix for 5.8 addressing a long-standing bug in iuu_phoenix.
* tag 'usb-serial-5.8-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: iuu_phoenix: fix memory corruption
The clang integrated assembler requires the 'cmp' instruction to
have a length prefix here:
arch/x86/math-emu/wm_sqrt.S:212:2: error: ambiguous instructions require an explicit suffix (could be 'cmpb', 'cmpw', or 'cmpl')
cmp $0xffffffff,-24(%ebp)
^
Make this a 32-bit comparison, which it was clearly meant to be.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lkml.kernel.org/r/20200527135352.1198078-1-arnd@arndb.de
When assembling with Clang via `make LLVM_IAS=1` and CONFIG_HYPERV enabled,
we observe the following error:
<instantiation>:9:6: error: expected absolute expression
.if HYPERVISOR_REENLIGHTENMENT_VECTOR == 3
^
<instantiation>:1:1: note: while in macro instantiation
idtentry HYPERVISOR_REENLIGHTENMENT_VECTOR asm_sysvec_hyperv_reenlightenment sysvec_hyperv_reenlightenment has_error_code=0
^
./arch/x86/include/asm/idtentry.h:627:1: note: while in macro instantiation
idtentry_sysvec HYPERVISOR_REENLIGHTENMENT_VECTOR sysvec_hyperv_reenlightenment;
^
<instantiation>:9:6: error: expected absolute expression
.if HYPERVISOR_STIMER0_VECTOR == 3
^
<instantiation>:1:1: note: while in macro instantiation
idtentry HYPERVISOR_STIMER0_VECTOR asm_sysvec_hyperv_stimer0 sysvec_hyperv_stimer0 has_error_code=0
^
./arch/x86/include/asm/idtentry.h:628:1: note: while in macro instantiation
idtentry_sysvec HYPERVISOR_STIMER0_VECTOR sysvec_hyperv_stimer0;
This is caused by typos in arch/x86/include/asm/idtentry.h:
HYPERVISOR_REENLIGHTENMENT_VECTOR -> HYPERV_REENLIGHTENMENT_VECTOR
HYPERVISOR_STIMER0_VECTOR -> HYPERV_STIMER0_VECTOR
For more details see ClangBuiltLinux issue #1088.
Fixes: a16be368dd ("x86/entry: Convert various hypervisor vectors to IDTENTRY_SYSVEC")
Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Wei Liu <wei.liu@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://github.com/ClangBuiltLinux/linux/issues/1088
Link: https://github.com/ClangBuiltLinux/linux/issues/1043
Link: https://lore.kernel.org/patchwork/patch/1272115/
Link: https://lkml.kernel.org/r/20200714194740.4548-1-sedat.dilek@gmail.com
Clang's integrated assembler does not allow symbols with non-absolute
values to be reassigned. Modify the interrupt entry loop macro to be
compatible with IAS by using a label and an offset.
Reported-by: Nick Desaulniers <ndesaulniers@google.com>
Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
Suggested-by: Brian Gerst <brgerst@gmail.com>
Suggested-by: Arvind Sankar <nivedita@alum.mit.edu>
Signed-off-by: Jian Cai <caij2003@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com> #
Link: https://github.com/ClangBuiltLinux/linux/issues/1043
Link: https://lkml.kernel.org/r/20200714233024.1789985-1-caij2003@gmail.com
