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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"Two more bug fixes (including a regression) for 5.6"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: potential crash on allocation error in ext4_alloc_flex_bg_array()
jbd2: fix data races at struct journal_head
as too large frame sizes on some configurations. On the
ARM side, the compiler was messing up shadow stacks between
EL1 and EL2 code, which is easily fixed with __always_inline.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"More bugfixes, including a few remaining "make W=1" issues such as too
large frame sizes on some configurations.
On the ARM side, the compiler was messing up shadow stacks between EL1
and EL2 code, which is easily fixed with __always_inline"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: VMX: check descriptor table exits on instruction emulation
kvm: x86: Limit the number of "kvm: disabled by bios" messages
KVM: x86: avoid useless copy of cpufreq policy
KVM: allow disabling -Werror
KVM: x86: allow compiling as non-module with W=1
KVM: Pre-allocate 1 cpumask variable per cpu for both pv tlb and pv ipis
KVM: Introduce pv check helpers
KVM: let declaration of kvm_get_running_vcpus match implementation
KVM: SVM: allocate AVIC data structures based on kvm_amd module parameter
arm64: Ask the compiler to __always_inline functions used by KVM at HYP
KVM: arm64: Define our own swab32() to avoid a uapi static inline
KVM: arm64: Ask the compiler to __always_inline functions used at HYP
kvm: arm/arm64: Fold VHE entry/exit work into kvm_vcpu_run_vhe()
KVM: arm/arm64: Fix up includes for trace.h
KVM emulates UMIP on hardware that doesn't support it by setting the
'descriptor table exiting' VM-execution control and performing
instruction emulation. When running nested, this emulation is broken as
KVM refuses to emulate L2 instructions by default.
Correct this regression by allowing the emulation of descriptor table
instructions if L1 hasn't requested 'descriptor table exiting'.
Fixes: 07721feee4 ("KVM: nVMX: Don't emulate instructions in guest mode")
Reported-by: Jan Kiszka <jan.kiszka@web.de>
Cc: stable@vger.kernel.org
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Jim Mattson <jmattson@google.com>
Signed-off-by: Oliver Upton <oupton@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
before
[6.418252] brcmfmac: F1 signature read @0x18000000=0x17224356
[6.435663] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac4356-sdio for chip BCM4356/2
[6.551259] brcmfmac: brcmf_sdiod_ramrw: membytes transfer failed
[6.551275] brcmfmac: brcmf_sdio_verifymemory: error -84 on reading 2048 membytes at 0x00184000
[6.551352] brcmfmac: brcmf_sdio_download_firmware: dongle image file download failed
after
[6.657165] brcmfmac: F1 signature read @0x18000000=0x17224356
[6.660807] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac4356-sdio for chip BCM4356/2
[6.918643] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac4356-sdio for chip BCM4356/2
[6.918734] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available (err=-2), device may have limited channels available
[6.922724] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4356/2 wl0: Jun 16 2015 14:25:06 version 7.35.184.r1 (TOB) (r559293) FWID 01-b22ae69c
Fixes: adc52bf7ef ("arm64: dts: meson: fix mmc v2 chips max frequencies")
Suggested-by: Art Nikpal <email2tema@gmail.com>
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/1582212790-11402-1-git-send-email-christianshewitt@gmail.com
Pull i2c fixes from Wolfram Sang:
"I2C has three driver bugfixes for you. We agreed on the Mac regression
to go in via I2C"
* 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
macintosh: therm_windtunnel: fix regression when instantiating devices
i2c: altera: Fix potential integer overflow
i2c: jz4780: silence log flood on txabrt
If sbi->s_flex_groups_allocated is zero and the first allocation fails
then this code will crash. The problem is that "i--" will set "i" to
-1 but when we compare "i >= sbi->s_flex_groups_allocated" then the -1
is type promoted to unsigned and becomes UINT_MAX. Since UINT_MAX
is more than zero, the condition is true so we call kvfree(new_groups[-1]).
The loop will carry on freeing invalid memory until it crashes.
Fixes: 7c990728b9 ("ext4: fix potential race between s_flex_groups online resizing and access")
Reviewed-by: Suraj Jitindar Singh <surajjs@amazon.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable@kernel.org
Link: https://lore.kernel.org/r/20200228092142.7irbc44yaz3by7nb@kili.mountain
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Removing attach_adapter from this driver caused a regression for at
least some machines. Those machines had the sensors described in their
DT, too, so they didn't need manual creation of the sensor devices. The
old code worked, though, because manual creation came first. Creation of
DT devices then failed later and caused error logs, but the sensors
worked nonetheless because of the manually created devices.
When removing attach_adaper, manual creation now comes later and loses
the race. The sensor devices were already registered via DT, yet with
another binding, so the driver could not be bound to it.
This fix refactors the code to remove the race and only manually creates
devices if there are no DT nodes present. Also, the DT binding is updated
to match both, the DT and manually created devices. Because we don't
know which device creation will be used at runtime, the code to start
the kthread is moved to do_probe() which will be called by both methods.
Fixes: 3e7bed5271 ("macintosh: therm_windtunnel: drop using attach_adapter")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=201723
Reported-by: Erhard Furtner <erhard_f@mailbox.org>
Tested-by: Erhard Furtner <erhard_f@mailbox.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org # v4.19+
5.6, please pull the following:
- Stefan adds missing Device Tree properties for the Raspberry Pi 3B and
4 LEDs to have proper default configuration
- Nicolas adds an alias for the PCIe root complex node that is looked up
by the Raspberry Pi firmware for patching in specific properties
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Merge tag 'arm-soc/for-5.6/devicetree-fixes' of https://github.com/Broadcom/stblinux into arm/fixes
This pull request contains Broadcom ARM-based SoCs Device Tree fixes for
5.6, please pull the following:
- Stefan adds missing Device Tree properties for the Raspberry Pi 3B and
4 LEDs to have proper default configuration
- Nicolas adds an alias for the PCIe root complex node that is looked up
by the Raspberry Pi firmware for patching in specific properties
* tag 'arm-soc/for-5.6/devicetree-fixes' of https://github.com/Broadcom/stblinux:
ARM: dts: bcm2711: Add pcie0 alias
ARM: dts: bcm283x: Add missing properties to the PWR LED
Link: https://lore.kernel.org/r/20200228181144.15148-2-f.fainelli@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
This series of changes contains few code fixes for issues
recently discovered:
- A build fix for ARMv6 only configs when CONFIG_HAVE_ARM_SMCCC is
not set
- A fix for ti-sysc quirk handling for 1-wire hdq reset
And a handful of dts fixes that I had queued up and should
have already sent earlier instead of waiting for the code
fixes to get sorted out:
- Fix naming of vsys_3v3 regulator for dra7-evm
- Fix incorrect OPP node names for am437x-idk-evm
- Fix IPU1 mux clock parent source for dra7
- Add missing PWM property for dra7 timers 13 to 16
- Add missing dma-ranges for dra7 PCIe nodes
- Fix mmc3 max-frequency for dra76x
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Merge tag 'omap-for-v5.6/fixes-rc3-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Few fixes for omaps for v5.6-rc cycle
This series of changes contains few code fixes for issues
recently discovered:
- A build fix for ARMv6 only configs when CONFIG_HAVE_ARM_SMCCC is
not set
- A fix for ti-sysc quirk handling for 1-wire hdq reset
And a handful of dts fixes that I had queued up and should
have already sent earlier instead of waiting for the code
fixes to get sorted out:
- Fix naming of vsys_3v3 regulator for dra7-evm
- Fix incorrect OPP node names for am437x-idk-evm
- Fix IPU1 mux clock parent source for dra7
- Add missing PWM property for dra7 timers 13 to 16
- Add missing dma-ranges for dra7 PCIe nodes
- Fix mmc3 max-frequency for dra76x
* tag 'omap-for-v5.6/fixes-rc3-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Fix compile if CONFIG_HAVE_ARM_SMCCC is not set
arm: dts: dra76x: Fix mmc3 max-frequency
ARM: dts: dra7: Add "dma-ranges" property to PCIe RC DT nodes
bus: ti-sysc: Fix 1-wire reset quirk
ARM: dts: dra7-l4: mark timer13-16 as pwm capable
ARM: dts: dra7xx-clocks: Fixup IPU1 mux clock parent source
ARM: dts: am437x-idk-evm: Fix incorrect OPP node names
ARM: dts: dra7-evm: Rename evm_3v3 regulator to vsys_3v3
Link: https://lore.kernel.org/r/pull-1582903541-589933@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
journal_head::b_transaction and journal_head::b_next_transaction could
be accessed concurrently as noticed by KCSAN,
LTP: starting fsync04
/dev/zero: Can't open blockdev
EXT4-fs (loop0): mounting ext3 file system using the ext4 subsystem
EXT4-fs (loop0): mounted filesystem with ordered data mode. Opts: (null)
==================================================================
BUG: KCSAN: data-race in __jbd2_journal_refile_buffer [jbd2] / jbd2_write_access_granted [jbd2]
write to 0xffff99f9b1bd0e30 of 8 bytes by task 25721 on cpu 70:
__jbd2_journal_refile_buffer+0xdd/0x210 [jbd2]
__jbd2_journal_refile_buffer at fs/jbd2/transaction.c:2569
jbd2_journal_commit_transaction+0x2d15/0x3f20 [jbd2]
(inlined by) jbd2_journal_commit_transaction at fs/jbd2/commit.c:1034
kjournald2+0x13b/0x450 [jbd2]
kthread+0x1cd/0x1f0
ret_from_fork+0x27/0x50
read to 0xffff99f9b1bd0e30 of 8 bytes by task 25724 on cpu 68:
jbd2_write_access_granted+0x1b2/0x250 [jbd2]
jbd2_write_access_granted at fs/jbd2/transaction.c:1155
jbd2_journal_get_write_access+0x2c/0x60 [jbd2]
__ext4_journal_get_write_access+0x50/0x90 [ext4]
ext4_mb_mark_diskspace_used+0x158/0x620 [ext4]
ext4_mb_new_blocks+0x54f/0xca0 [ext4]
ext4_ind_map_blocks+0xc79/0x1b40 [ext4]
ext4_map_blocks+0x3b4/0x950 [ext4]
_ext4_get_block+0xfc/0x270 [ext4]
ext4_get_block+0x3b/0x50 [ext4]
__block_write_begin_int+0x22e/0xae0
__block_write_begin+0x39/0x50
ext4_write_begin+0x388/0xb50 [ext4]
generic_perform_write+0x15d/0x290
ext4_buffered_write_iter+0x11f/0x210 [ext4]
ext4_file_write_iter+0xce/0x9e0 [ext4]
new_sync_write+0x29c/0x3b0
__vfs_write+0x92/0xa0
vfs_write+0x103/0x260
ksys_write+0x9d/0x130
__x64_sys_write+0x4c/0x60
do_syscall_64+0x91/0xb05
entry_SYSCALL_64_after_hwframe+0x49/0xbe
5 locks held by fsync04/25724:
#0: ffff99f9911093f8 (sb_writers#13){.+.+}, at: vfs_write+0x21c/0x260
#1: ffff99f9db4c0348 (&sb->s_type->i_mutex_key#15){+.+.}, at: ext4_buffered_write_iter+0x65/0x210 [ext4]
#2: ffff99f5e7dfcf58 (jbd2_handle){++++}, at: start_this_handle+0x1c1/0x9d0 [jbd2]
#3: ffff99f9db4c0168 (&ei->i_data_sem){++++}, at: ext4_map_blocks+0x176/0x950 [ext4]
#4: ffffffff99086b40 (rcu_read_lock){....}, at: jbd2_write_access_granted+0x4e/0x250 [jbd2]
irq event stamp: 1407125
hardirqs last enabled at (1407125): [<ffffffff980da9b7>] __find_get_block+0x107/0x790
hardirqs last disabled at (1407124): [<ffffffff980da8f9>] __find_get_block+0x49/0x790
softirqs last enabled at (1405528): [<ffffffff98a0034c>] __do_softirq+0x34c/0x57c
softirqs last disabled at (1405521): [<ffffffff97cc67a2>] irq_exit+0xa2/0xc0
Reported by Kernel Concurrency Sanitizer on:
CPU: 68 PID: 25724 Comm: fsync04 Tainted: G L 5.6.0-rc2-next-20200221+ #7
Hardware name: HPE ProLiant DL385 Gen10/ProLiant DL385 Gen10, BIOS A40 07/10/2019
The plain reads are outside of jh->b_state_lock critical section which result
in data races. Fix them by adding pairs of READ|WRITE_ONCE().
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Qian Cai <cai@lca.pw>
Link: https://lore.kernel.org/r/20200222043111.2227-1-cai@lca.pw
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Support for Amlogic Meson SoCs depends on ARCH_MULTI_V7, and thus on
ARCH_MULTIPLATFORM.
As the latter selects COMMON_CLK, there is no need for ARCH_MESON to
select COMMON_CLK.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: linux-amlogic@lists.infradead.org
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20200121103722.1781-12-geert+renesas@glider.be
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Four small fixes. Three are in drivers for fairly obvious bugs. The
fourth is a set of regressions introduced by the compat_ioctl changes
because some of the compat updates wrongly replaced .ioctl instead of
.compat_ioctl.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four small fixes.
Three are in drivers for fairly obvious bugs. The fourth is a set of
regressions introduced by the compat_ioctl changes because some of the
compat updates wrongly replaced .ioctl instead of .compat_ioctl"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: compat_ioctl: cdrom: Replace .ioctl with .compat_ioctl in four appropriate places
scsi: zfcp: fix wrong data and display format of SFP+ temperature
scsi: sd_sbc: Fix sd_zbc_report_zones()
scsi: libfc: free response frame from GPN_ID
Commit 2ae27137b2 ("x86: mm: convert dump_pagetables to use
walk_page_range") broke Xen PV guests as the hypervisor reserved hole in
the memory map was not taken into account.
Fix that by starting the kernel range only at GUARD_HOLE_END_ADDR.
Fixes: 2ae27137b2 ("x86: mm: convert dump_pagetables to use walk_page_range")
Reported-by: Julien Grall <julien@xen.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Julien Grall <julien@xen.org>
Link: https://lkml.kernel.org/r/20200221103851.7855-1-jgross@suse.com
Commit 111e7b15cf ("x86/ioperm: Extend IOPL config to control ioperm()
as well") reworked the iopl syscall to use I/O bitmaps.
Unfortunately this broke Xen PV domains using that syscall as there is
currently no I/O bitmap support in PV domains.
Add I/O bitmap support via a new paravirt function update_io_bitmap which
Xen PV domains can use to update their I/O bitmaps via a hypercall.
Fixes: 111e7b15cf ("x86/ioperm: Extend IOPL config to control ioperm() as well")
Reported-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Cc: <stable@vger.kernel.org> # 5.5
Link: https://lkml.kernel.org/r/20200218154712.25490-1-jgross@suse.com
perf annotate:
Ravi Bangoria:
- Fix segfault with source toggle.
- Fix --show-total-period and --show-nr-samples for tui/stdio2.
- Fix handling of settings in ~/.perfconfig versus the ones passed
in the command line
- Re-render title bar after switching back from script browser.
- Fix options man page, document some missing ones.
perf probe:
He Zhe:
- Check return value of strlist__add() for -ENOMEM.
tools UAPI:
Arnaldo Carvalho de Melo:
- Sync x86's msr-index.h copy with the kernel sources.
- Update tools's copy of x86's kvm.h headers.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo-5.6-20200228' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/urgent fixes from Arnaldo Carvalho de Melo:
perf annotate:
Ravi Bangoria:
- Fix segfault with source toggle.
- Fix --show-total-period and --show-nr-samples for tui/stdio2.
- Fix handling of settings in ~/.perfconfig versus the ones passed
in the command line
- Re-render title bar after switching back from script browser.
- Fix options man page, document some missing ones.
perf probe:
He Zhe:
- Check return value of strlist__add() for -ENOMEM.
tools UAPI:
Arnaldo Carvalho de Melo:
- Sync x86's msr-index.h copy with the kernel sources.
- Update tools's copy of x86's kvm.h headers.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Fix all the warnings in the DT binding schema examples when built with
'W=1'. This is in preparation to make that the default for examples.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Merge tag 'io_uring-5.6-2020-02-28' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
- Fix for a race with IOPOLL used with SQPOLL (Xiaoguang)
- Only show ->fdinfo if procfs is enabled (Tobias)
- Fix for a chain with multiple personalities in the SQEs
- Fix for a missing free of personality idr on exit
- Removal of the spin-for-work optimization
- Fix for next work lookup on request completion
- Fix for non-vec read/write result progation in case of links
- Fix for a fileset references on switch
- Fix for a recvmsg/sendmsg 32-bit compatability mode
* tag 'io_uring-5.6-2020-02-28' of git://git.kernel.dk/linux-block:
io_uring: fix 32-bit compatability with sendmsg/recvmsg
io_uring: define and set show_fdinfo only if procfs is enabled
io_uring: drop file set ref put/get on switch
io_uring: import_single_range() returns 0/-ERROR
io_uring: pick up link work on submit reference drop
io-wq: ensure work->task_pid is cleared on init
io-wq: remove spin-for-work optimization
io_uring: fix poll_list race for SETUP_IOPOLL|SETUP_SQPOLL
io_uring: fix personality idr leak
io_uring: handle multiple personalities in link chains
The QSPI controller memory space is limited to 128MB:
0x9000_00000-0x9800_00000/0XD000_0000--0XD800_0000.
There are nor flashes that are bigger in size than the memory size
supported by the controller: Micron MT25QL02G (256 MB).
Check if the address exceeds the MMIO window size. An improvement
would be to add support for regular SPI mode and fall back to it
when the flash memories overrun the controller's memory space.
Fixes: 0e6aae08e9 ("spi: Add QuadSPI driver for Atmel SAMA5D2")
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20200228155437.1558219-1-tudor.ambarus@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
commit 1e5ddb6ba7 ("ASoC: component: Add sync_stop PCM ops")
added snd_soc_pcm_component_sync_stop(), but it is checking
ioctrl instead of sync_stop. This is bug.
This patch fixup it.
Fixes: commit 1e5ddb6ba7 ("ASoC: component: Add sync_stop PCM ops")
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/8736av7a8c.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
commit c2caa4da46 ("ASoC: Fix widget powerdown on shutdown") added a
set of the power state during snd_soc_dapm_shutdown to ensure the
widgets powered off. However, when commit 39eb5fd13d
("ASoC: dapm: Delay w->power update until the changes are written")
added the new_power member of the widget structure, to differentiate
between the current power state and the target power state, it did not
update the shutdown to use the new_power member.
As new_power has not updated it will be left in the state set by the
last DAPM sequence, ie. 1 for active widgets. So as the DAPM sequence
for the shutdown proceeds it will turn the widgets on (despite them
already being on) rather than turning them off.
Fixes: 39eb5fd13d ("ASoC: dapm: Delay w->power update until the changes are written")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20200228153145.21013-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Fix a couple of configuration issues in the ACPI watchdog (WDAT)
driver (Mika Westerberg) and make it possible to disable that
driver at boot time in case it still does not work as
expected (Jean Delvare).
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Merge tag 'acpi-5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"Fix a couple of configuration issues in the ACPI watchdog (WDAT)
driver (Mika Westerberg) and make it possible to disable that driver
at boot time in case it still does not work as expected (Jean
Delvare)"
* tag 'acpi-5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: watchdog: Set default timeout in probe
ACPI: watchdog: Fix gas->access_width usage
ACPICA: Introduce ACPI_ACCESS_BYTE_WIDTH() macro
ACPI: watchdog: Allow disabling WDAT at boot
Fix a recent cpufreq initialization regression (Rafael Wysocki),
revert a devfreq commit that made incompatible changes and broke
user land on some systems (Orson Zhai), drop a stale reference to
a document that has gone away recently (Jonathan Neuschäfer) and
fix a typo in a hibernation code comment (Alexandre Belloni).
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Merge tag 'pm-5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"Fix a recent cpufreq initialization regression (Rafael Wysocki),
revert a devfreq commit that made incompatible changes and broke user
land on some systems (Orson Zhai), drop a stale reference to a
document that has gone away recently (Jonathan Neuschäfer), and fix a
typo in a hibernation code comment (Alexandre Belloni)"
* tag 'pm-5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: Fix policy initialization for internal governor drivers
Revert "PM / devfreq: Modify the device name as devfreq(X) for sysfs"
PM / hibernate: fix typo "reserverd_size" -> "reserved_size"
Documentation: power: Drop reference to interface.rst
Two fixes in this pull request:
* Revert the initial decision to silently ignore IOCB_NOWAIT for
asynchronous direct IOs to sequential zone files. Instead, return an
error to the user to signal that the feature is not supported (from
Christoph)
* A fix to zonefs Kconfig to select FS_IOMAP to avoid build failures if
no other file system already selected this option (from Johannes).
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
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Merge tag 'zonefs-5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs
Pull zonefs fixes from Damien Le Moal:
"Two fixes in here:
- Revert the initial decision to silently ignore IOCB_NOWAIT for
asynchronous direct IOs to sequential zone files. Instead, return
an error to the user to signal that the feature is not supported
(from Christoph)
- A fix to zonefs Kconfig to select FS_IOMAP to avoid build failures
if no other file system already selected this option (from
Johannes)"
* tag 'zonefs-5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
zonefs: select FS_IOMAP
zonefs: fix IOCB_NOWAIT handling
We need to nest the console lock in sel_lock, so we have to push it down
a bit. Fortunately, the callers of set_selection_* just lock the console
lock around the function call. So moving it down is easy.
In the next patch, we switch the order.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Fixes: 07e6124a1a ("vt: selection, close sel_buffer race")
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200228115406.5735-1-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes the following sparse error:
kernel/exit.c:627:25: error: incompatible types in comparison expression
And the following warning:
kernel/exit.c:626:40: warning: incorrect type in assignment
Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
[christian.brauner@ubuntu.com: edit commit message]
Link: https://lore.kernel.org/r/20200130062028.4870-1-madhuparnabhowmik10@gmail.com
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
- Fix compilation on 32bit
- Move VHE guest entry/exit into the VHE-specific entry code
- Make sure all functions called by the non-VHE HYP code is tagged as __always_inline
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Merge tag 'kvmarm-fixes-5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm fixes for 5.6, take #1
- Fix compilation on 32bit
- Move VHE guest entry/exit into the VHE-specific entry code
- Make sure all functions called by the non-VHE HYP code is tagged as __always_inline
In older version of systemd(219), at boot time, udevadm is called with :
/usr/bin/udevadm trigger --type=devices --action=add"
This program generates an echo "add" in /sys/devices/system/cpu/cpu<x>/uevent,
leading to the "kvm: disabled by bios" message in case of your Bios disabled
the virtualization extensions.
On a modern system running up to 256 CPU threads, this pollutes the Kernel logs.
This patch offers to ratelimit this message to avoid any userspace program triggering
this uevent printing this message too often.
This patch is only a workaround but greatly reduce the pollution without
breaking the current behavior of printing a message if some try to instantiate
KVM on a system that doesn't support it.
Note that recent versions of systemd (>239) do not have trigger this behavior.
This patch will be useful at least for some using older systemd with recent Kernels.
Signed-off-by: Erwan Velu <e.velu@criteo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* pm-sleep:
PM / hibernate: fix typo "reserverd_size" -> "reserved_size"
Documentation: power: Drop reference to interface.rst
* pm-devfreq:
Revert "PM / devfreq: Modify the device name as devfreq(X) for sysfs"
struct cpufreq_policy is quite big and it is not a good idea
to allocate one on the stack. Just use cpufreq_cpu_get and
cpufreq_cpu_put which is even simpler.
Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Restrict -Werror to well-tested configurations and allow disabling it
via Kconfig.
Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Compile error with CONFIG_KVM_INTEL=y and W=1:
CC arch/x86/kvm/vmx/vmx.o
arch/x86/kvm/vmx/vmx.c:68:32: error: 'vmx_cpu_id' defined but not used [-Werror=unused-const-variable=]
68 | static const struct x86_cpu_id vmx_cpu_id[] = {
| ^~~~~~~~~~
cc1: all warnings being treated as errors
When building with =y, the MODULE_DEVICE_TABLE macro doesn't generate a
reference to the structure (or any code at all). This makes W=1 compiles
unhappy.
Wrap both in a #ifdef to avoid the issue.
Signed-off-by: Valdis Kletnieks <valdis.kletnieks@vt.edu>
[Do the same for CONFIG_KVM_AMD. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Nick Desaulniers Reported:
When building with:
$ make CC=clang arch/x86/ CFLAGS=-Wframe-larger-than=1000
The following warning is observed:
arch/x86/kernel/kvm.c:494:13: warning: stack frame size of 1064 bytes in
function 'kvm_send_ipi_mask_allbutself' [-Wframe-larger-than=]
static void kvm_send_ipi_mask_allbutself(const struct cpumask *mask, int
vector)
^
Debugging with:
https://github.com/ClangBuiltLinux/frame-larger-than
via:
$ python3 frame_larger_than.py arch/x86/kernel/kvm.o \
kvm_send_ipi_mask_allbutself
points to the stack allocated `struct cpumask newmask` in
`kvm_send_ipi_mask_allbutself`. The size of a `struct cpumask` is
potentially large, as it's CONFIG_NR_CPUS divided by BITS_PER_LONG for
the target architecture. CONFIG_NR_CPUS for X86_64 can be as high as
8192, making a single instance of a `struct cpumask` 1024 B.
This patch fixes it by pre-allocate 1 cpumask variable per cpu and use it for
both pv tlb and pv ipis..
Reported-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Introduce some pv check helpers for consistency.
Suggested-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Even if APICv is disabled at startup, the backing page and ir_list need
to be initialized in case they are needed later. The only case in
which this can be skipped is for userspace irqchip, and that must be
done because avic_init_backing_page dereferences vcpu->arch.apic
(which is NULL for userspace irqchip).
Tested-by: rmuncrief@humanavance.com
Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=206579
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
amdgpu:
- Drop DRIVER_USE_AGP
- Fix memory leak in GPU reset
- Resume fix for raven
radeon:
- Drop DRIVER_USE_AGP
i915:
- downgrade gen7 back to aliasing-ppgtt to avoid GPU hangs
- shrinker fix
- pmu leak and double free fixes
- gvt user after free and virtual display reset fixes
- randconfig build fix
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Merge tag 'drm-fixes-2020-02-28' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Just some fixes for this week: amdgpu, radeon and i915.
The main i915 one is a regression Gen7 (Ivybridge/Haswell), this moves
them back from trying to use the full-ppgtt support to the aliasing
version it used to use due to gpu hangs. Otherwise it's pretty quiet.
amdgpu:
- Drop DRIVER_USE_AGP
- Fix memory leak in GPU reset
- Resume fix for raven
radeon:
- Drop DRIVER_USE_AGP
i915:
- downgrade gen7 back to aliasing-ppgtt to avoid GPU hangs
- shrinker fix
- pmu leak and double free fixes
- gvt user after free and virtual display reset fixes
- randconfig build fix"
* tag 'drm-fixes-2020-02-28' of git://anongit.freedesktop.org/drm/drm:
drm/radeon: Inline drm_get_pci_dev
drm/amdgpu: Drop DRIVER_USE_AGP
drm/i915: Avoid recursing onto active vma from the shrinker
drm/i915/pmu: Avoid using globals for PMU events
drm/i915/pmu: Avoid using globals for CPU hotplug state
drm/i915/gtt: Downgrade gen7 (ivb, byt, hsw) back to aliasing-ppgtt
drm/i915: fix header test with GCOV
amdgpu/gmc_v9: save/restore sdpif regs during S3
drm/amdgpu: fix memory leak during TDR test(v2)
drm/i915/gvt: Fix orphan vgpu dmabuf_objs' lifetime
drm/i915/gvt: Separate display reset from ALL_ENGINES reset
Pull networking fixes from David Miller:
1) Fix leak in nl80211 AP start where we leak the ACL memory, from
Johannes Berg.
2) Fix double mutex unlock in mac80211, from Andrei Otcheretianski.
3) Fix RCU stall in ipset, from Jozsef Kadlecsik.
4) Fix devlink locking in devlink_dpipe_table_register, from Madhuparna
Bhowmik.
5) Fix race causing TX hang in ll_temac, from Esben Haabendal.
6) Stale eth hdr pointer in br_dev_xmit(), from Nikolay Aleksandrov.
7) Fix TX hash calculation bounds checking wrt. tc rules, from Amritha
Nambiar.
8) Size netlink responses properly in schedule action code to take into
consideration TCA_ACT_FLAGS. From Jiri Pirko.
9) Fix firmware paths for mscc PHY driver, from Antoine Tenart.
10) Don't register stmmac notifier multiple times, from Aaro Koskinen.
11) Various rmnet bug fixes, from Taehee Yoo.
12) Fix vsock deadlock in vsock transport release, from Stefano
Garzarella.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (61 commits)
net: dsa: mv88e6xxx: Fix masking of egress port
mlxsw: pci: Wait longer before accessing the device after reset
sfc: fix timestamp reconstruction at 16-bit rollover points
vsock: fix potential deadlock in transport->release()
unix: It's CONFIG_PROC_FS not CONFIG_PROCFS
net: rmnet: fix packet forwarding in rmnet bridge mode
net: rmnet: fix bridge mode bugs
net: rmnet: use upper/lower device infrastructure
net: rmnet: do not allow to change mux id if mux id is duplicated
net: rmnet: remove rcu_read_lock in rmnet_force_unassociate_device()
net: rmnet: fix suspicious RCU usage
net: rmnet: fix NULL pointer dereference in rmnet_changelink()
net: rmnet: fix NULL pointer dereference in rmnet_newlink()
net: phy: marvell: don't interpret PHY status unless resolved
mlx5: register lag notifier for init network namespace only
unix: define and set show_fdinfo only if procfs is enabled
hinic: fix a bug of rss configuration
hinic: fix a bug of setting hw_ioctxt
hinic: fix a irq affinity bug
net/smc: check for valid ib_client_data
...
PowerVM systems running compatibility mode on a few Power8 revisions are
still vulnerable to the hardware defect that loses PMU exceptions arriving
prior to a context switch.
The software fix for this issue is enabled through the CPU_FTR_PMAO_BUG
cpu_feature bit, nevertheless this bit also needs to be set for PowerVM
compatibility mode systems.
Fixes: 68f2f0d431 ("powerpc: Add a cpu feature CPU_FTR_PMAO_BUG")
Signed-off-by: Desnes A. Nunes do Rosario <desnesn@linux.ibm.com>
Reviewed-by: Leonardo Bras <leonardo@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200227134715.9715-1-desnesn@linux.ibm.com
de80f95ccb ("PCI: cadence: Move all files to per-device cadence
directory") moved files of the PCI cadence drivers, but did not update the
MAINTAINERS entry.
Since then, ./scripts/get_maintainer.pl --self-test complains:
warning: no file matches F: drivers/pci/controller/pcie-cadence*
Repair the MAINTAINERS entry.
Link: https://lore.kernel.org/r/20200221185402.4703-1-lukas.bulwahn@gmail.com
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
