This reverts commit 0b96da639a.
We can't just go flushing random signals, under the assumption that the
OOM killer will just do something else. It's not safe from the OOM
perspective, and it could also cause other signals to get randomly lost.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
APF6 Dev compatible is armadeus,imx6dl-apf6dev and not
armadeus,imx6dl-apf6dldev.
Fixes: 3d735471d0 ("dt-bindings: arm: Document Armadeus SoM and Dev boards devicetree binding")
Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Signed-off-by: Rob Herring <robh@kernel.org>
io_wq_flush() is buggy, during cancelation of a flush, the associated
work may be passed to the caller's (i.e. io_uring) @match callback. That
callback is expecting it to be embedded in struct io_kiocb. Cancelation
of internal work probably doesn't make a lot of sense to begin with.
As the flush helper is no longer used, just delete it and the associated
work flag.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fixes for v5.6, please pull the following:
- Stefan restores CONFIG_DEBUG_FS from the bcm2835_defconfig which was
accidentally removed
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Merge tag 'arm-soc/for-5.6/defconfig-fixes' of https://github.com/Broadcom/stblinux into arm/fixes
This pull request contains Broadcom ARM-based SoCs defconfig file(s)
fixes for v5.6, please pull the following:
- Stefan restores CONFIG_DEBUG_FS from the bcm2835_defconfig which was
accidentally removed
* tag 'arm-soc/for-5.6/defconfig-fixes' of https://github.com/Broadcom/stblinux:
ARM: bcm2835_defconfig: Explicitly restore CONFIG_DEBUG_FS
Link: https://lore.kernel.org/r/20200302195043.14513-1-f.fainelli@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
The commit 0e4a459f56 ("tracing: Remove unnecessary DEBUG_FS dependency")
accidentally dropped the DEBUG FS support in bcm2835_defconfig. So
restore the config as before the commit.
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Fixes: 0e4a459f56 ("tracing: Remove unnecessary DEBUG_FS dependency")
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
The packet handling function, specifically the iteration of the qp list
for mad packet processing misses locking RCU before running through the
list. Not only is this incorrect, but the list_for_each_entry_rcu() call
can not be called with a conditional check for lock dependency. Remedy
this by invoking the rcu lock and unlock around the critical section.
This brings MAD packet processing in line with what is done for non-MAD
packets.
Fixes: 7724105686 ("IB/hfi1: add driver files")
Link: https://lore.kernel.org/r/20200225195445.140896.41873.stgit@awfm-01.aw.intel.com
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
The purpose of commit 0fd85869c2 ("spi/bcm63xx-hsspi: keep pll clk enabled")
was to keep the pll clk enabled through the lifetime of the device.
In order to do that, some 'clk_prepare_enable()'/'clk_disable_unprepare()'
calls have been added in the error handling path of the probe function, in
the remove function and in the suspend and resume functions.
However, a 'clk_disable_unprepare()' call has been unfortunately left in
the probe function. So the commit seems to be more or less a no-op.
Axe it now, so that the pll clk is left enabled through the lifetime of
the device, as described in the commit.
Fixes: 0fd85869c2 ("spi/bcm63xx-hsspi: keep pll clk enabled")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Jonas Gorski <jonas.gorski@gmail.com>
Link: https://lore.kernel.org/r/20200228213838.7124-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <broonie@kernel.org>
To cancel a work, io-wq sets IO_WQ_WORK_CANCEL and executes the
callback. However, IO_WQ_WORK_NO_CANCEL works will just execute and may
return next work, which will be ignored and lost.
Cancel the whole link.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Commit ee63cfa7fc ("block: add kblockd_schedule_work_on()")
introduced the helper in 2016. Remove it because since then no caller
was added.
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Pull x86 fixes from Ingo Molnar:
"Misc fixes: a pkeys fix for a bug that triggers with weird BIOS
settings, and two Xen PV fixes: a paravirt interface fix, and
pagetable dumping fix"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Fix dump_pagetables with Xen PV
x86/ioperm: Add new paravirt function update_io_bitmap()
x86/pkeys: Manually set X86_FEATURE_OSPKE to preserve existing changes
Pull scheduler fix from Ingo Molnar:
"Fix a scheduler statistics bug"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Fix statistics for find_idlest_group()
Pull perf fixes from Ingo Molnar:
"No kernel side changes, all tooling fixes plus two tooling cleanups
that were committed late in the merge window alongside the perf
annotate fixes, delayed by Arnaldo's European trip"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
perf annotate: Fix segfault with source toggle
perf annotate: Align struct annotate_args
perf annotate: Simplify disasm_line allocation and freeing code
perf annotate: Remove privsize from symbol__annotate() args
perf probe: Check return value of strlist__add() for -ENOMEM
perf config: Document missing config options
perf annotate: Fix perf config option description
perf annotate: Prefer cmdline option over default config
perf annotate: Make perf config effective
perf config: Introduce perf_config_u8()
perf annotate: Fix --show-nr-samples for tui/stdio2
perf annotate: Fix --show-total-period for tui/stdio2
perf annotate/tui: Re-render title bar after switching back from script browser
tools headers UAPI: Update tools's copy of kvm.h headers
tools arch x86: Sync the msr-index.h copy with the kernel sources
perf arch powerpc: Sync powerpc syscall.tbl with the kernel sources
perf auxtrace: Add auxtrace_record__read_finish()
perf arm-spe: Fix endless record after being terminated
perf cs-etm: Fix endless record after being terminated
perf intel-bts: Fix endless record after being terminated
...
Pull EFI fixes from Ingo Molnar:
"Three fixes to EFI mixed boot mode, mostly related to x86-64 vmap
stacks activated years ago, bug-fixed recently for EFI, which had
knock-on effects of various 1:1 mapping assumptions in mixed mode.
There's also a READ_ONCE() fix for reading an mmap-ed EFI firmware
data field only once, out of caution"
* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi: READ_ONCE rng seed size before munmap
efi/x86: Handle by-ref arguments covering multiple pages in mixed mode
efi/x86: Remove support for EFI time and counter services in mixed mode
efi/x86: Align GUIDs to their size in the mixed mode runtime wrapper
Since commit f88f42f853 ("arm64: context: Free up kernel ASIDs if KPTI
is not in use"), the NUM_USER_ASIDS macro doesn't correspond to the
effective number of ASIDs when KPTI is enabled. Get an accurate number
of available ASIDs in an arch_initcall, once we've discovered all CPUs'
capabilities and know if we still need to halve the ASID space for KPTI.
Fixes: f88f42f853 ("arm64: context: Free up kernel ASIDs if KPTI is not in use")
Reviewed-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Will Deacon <will@kernel.org>
Fix bogus NULL checks on the return value of acpi_cpu_get_madt_gicc()
by checking for a 0 'gicc->performance_interrupt' value instead.
Signed-off-by: Liguang Zhang <zhangliguang@linux.alibaba.com>
Signed-off-by: Will Deacon <will@kernel.org>
When disabling a counter from ddr_perf_event_stop(), the counter value
is reset to 0 at the same time.
Preserve the counter value by performing a read-modify-write of the
PMU register and clearing only the enable bit.
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: Will Deacon <will@kernel.org>
The assert_mmap_offset() returns type bool so if we return an error
pointer that is "return true;" or success. If we have an error, then
we should return false.
Fixes: 3d81d589d6 ("drm/i915: Test exhaustion of the mmap space")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200228141413.qfjf4abr323drlo4@kili.mountain
(cherry picked from commit efbf928824)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
We need to be extremely careful inside i915_request_await_start() as it
needs to walk the list of requests in the foreign timeline with very
little protection. As we hold our own timeline mutex, we can not nest
inside the signaler's timeline mutex, so all that remains is our RCU
protection. However, to be safe we need to tell the compiler that we may
be traversing the list only under RCU protection, and furthermore we
need to start declaring requests as elements of the timeline from their
construction.
Fixes: 9ddc8ec027 ("drm/i915: Eliminate the trylock for awaiting an earlier request")
Fixes: 6a79d84840 ("drm/i915: Lock signaler timeline while navigating")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200227085723.1961649-11-chris@chris-wilson.co.uk
(cherry picked from commit d22d2d073e)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Wa_1608008084 is an additional WA that applies to writes on FF_MODE2
register. We can't read it back either from CPU or GPU. Since the other
bits should be 0, recommendation to handle Wa_1604555607 is to actually
just write the timer value.
Do a write only and don't try to read it, neither before or after
the WA is applied.
Fixes: ff690b2111 ("drm/i915/tgl: Implement Wa_1604555607")
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200224191258.15668-1-lucas.demarchi@intel.com
(cherry picked from commit e94bda1432)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
We need to explicitly set the TLB Request Timer initial value in the
BW_BUDDY registers to 0x8 rather than relying on the hardware default.
v2: Apply missing REG_FIELD_PREP to ensure 0x8 is placed in the correct
bits during the rmw. (Jose)
Bspec: 52890
Bspec: 50044
Fixes: 3fa01d642f ("drm/i915/tgl: Program BW_BUDDY registers during display init")
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200219215655.2923650-1-matthew.d.roper@intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
(cherry picked from commit 87e04f7592)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200228004320.127142-2-matthew.d.roper@intel.com
Commit 60c6a14b48 ("drm/i915/display: Force the state compute phase
once to enable PSR") was forcing the state compute too earlier
causing errors because not everything was initialized, so here
moving to the end of i915_driver_modeset_probe() when the display is
all initialized.
Also fixing the place where it disarm the force probe as during the
atomic check phase errors could happen like the ones due locking and
it would cause PSR to never be enabled if that happens.
Leaving the disarm to the atomic commit phase, intel_psr_enable() or
intel_psr_update() will be called even if the current state do not
allow PSR to be enabled.
v2: Check if intel_dp is null in intel_psr_force_mode_changed_set()
v3: Check intel_dp before get dev_priv
v4:
- renamed intel_psr_force_mode_changed_set() to
intel_psr_set_force_mode_changed()
- removed the set parameter from intel_psr_set_force_mode_changed()
- not calling intel_psr_set_force_mode_changed() from
intel_psr_enable/update(), directly setting it after the same checks
that intel_psr_set_force_mode_changed() does
- moved intel_psr_set_force_mode_changed() arm call to
i915_driver_modeset_probe() as it is a better for a PSR call, all the
functions calls happening between the old and the new function call
will cause issue
[backported to v5.6-rc3]
Fixes: 60c6a14b48 ("drm/i915/display: Force the state compute phase once to enable PSR")
Closes: https://gitlab.freedesktop.org/drm/intel/issues/1151
Tested-by: Ross Zwisler <zwisler@google.com>
Reported-by: Ross Zwisler <zwisler@google.com>
Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Anshuman Gupta <anshuman.gupta@intel.com>
Reviewed-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200221212635.11614-1-jose.souza@intel.com
Link: https://patchwork.freedesktop.org/patch/msgid/20200227205540.126135-1-jose.souza@intel.com
(cherry picked from commit df1a5bfc16)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Call cond_resched() between each freed object in case we have a really,
really long list, and we don't want to block normal processes.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200221100953.2587176-1-chris@chris-wilson.co.uk
(cherry picked from commit deeee411a9)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Was added by commit 95cf9264d5 ("x86, drm, fbdev: Do not specify
encrypted memory for video mappings"), then it was kept through various
changes.
While vram actually needs decrypted mappings this is not correct for
shmem gem objects which live in main memory not io memory, so remove the
call.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200228104723.18757-1-kraxel@redhat.com
Move enabling and disabling HDMI_EN optional regulator to probe() function
to keep track on the regulator status. This fixes following warning if
probe() fails (for example when I2C DDC adapter cannot be yet gathered
due to the missing driver). This fixes following warning observed on
Arndale5250 board with multi_v7_defconfig:
[drm] Failed to get ddc i2c adapter by node
------------[ cut here ]------------
WARNING: CPU: 0 PID: 214 at drivers/regulator/core.c:2051 _regulator_put+0x16c/0x184
Modules linked in: ...
CPU: 0 PID: 214 Comm: systemd-udevd Not tainted 5.6.0-rc2-next-20200219-00040-g38af1dfafdbb #7570
Hardware name: Samsung Exynos (Flattened Device Tree)
[<c0312258>] (unwind_backtrace) from [<c030cc10>] (show_stack+0x10/0x14)
[<c030cc10>] (show_stack) from [<c0f0d3a0>] (dump_stack+0xcc/0xe0)
[<c0f0d3a0>] (dump_stack) from [<c0346a58>] (__warn+0xe0/0xf8)
[<c0346a58>] (__warn) from [<c0346b20>] (warn_slowpath_fmt+0xb0/0xb8)
[<c0346b20>] (warn_slowpath_fmt) from [<c0893f58>] (_regulator_put+0x16c/0x184)
[<c0893f58>] (_regulator_put) from [<c0893f8c>] (regulator_put+0x1c/0x2c)
[<c0893f8c>] (regulator_put) from [<c09b2664>] (release_nodes+0x17c/0x200)
[<c09b2664>] (release_nodes) from [<c09aebe8>] (really_probe+0x10c/0x350)
[<c09aebe8>] (really_probe) from [<c09aefa8>] (driver_probe_device+0x60/0x1a0)
[<c09aefa8>] (driver_probe_device) from [<c09af288>] (device_driver_attach+0x58/0x60)
[<c09af288>] (device_driver_attach) from [<c09af310>] (__driver_attach+0x80/0xbc)
[<c09af310>] (__driver_attach) from [<c09ace34>] (bus_for_each_dev+0x68/0xb4)
[<c09ace34>] (bus_for_each_dev) from [<c09ae00c>] (bus_add_driver+0x130/0x1e8)
[<c09ae00c>] (bus_add_driver) from [<c09afd98>] (driver_register+0x78/0x110)
[<c09afd98>] (driver_register) from [<bf139558>] (exynos_drm_init+0xe8/0x11c [exynosdrm])
[<bf139558>] (exynos_drm_init [exynosdrm]) from [<c0302fa8>] (do_one_initcall+0x50/0x220)
[<c0302fa8>] (do_one_initcall) from [<c03dc02c>] (do_init_module+0x60/0x210)
[<c03dc02c>] (do_init_module) from [<c03daf44>] (load_module+0x1c0c/0x2310)
[<c03daf44>] (load_module) from [<c03db85c>] (sys_finit_module+0xac/0xbc)
[<c03db85c>] (sys_finit_module) from [<c0301000>] (ret_fast_syscall+0x0/0x54)
Exception stack(0xecca3fa8 to 0xecca3ff0)
...
---[ end trace 276c91214635905c ]---
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Writing to the built-in strings arrays doesn't work if driver is loaded
as kernel module. This is also considered as a bad pattern. Fix this by
adding a call to clk_get() with legacy clock name. This fixes following
kernel oops if driver is loaded as module:
Unable to handle kernel paging request at virtual address bf047978
pgd = (ptrval)
[bf047978] *pgd=59344811, *pte=5903c6df, *ppte=5903c65f
Internal error: Oops: 80f [#1] SMP ARM
Modules linked in: mc exynosdrm(+) analogix_dp rtc_s3c exynos_ppmu i2c_gpio
CPU: 1 PID: 212 Comm: systemd-udevd Not tainted 5.6.0-rc2-next-20200219 #326
videodev: Linux video capture interface: v2.00
Hardware name: Samsung Exynos (Flattened Device Tree)
PC is at exynos_dsi_probe+0x1f0/0x384 [exynosdrm]
LR is at exynos_dsi_probe+0x1dc/0x384 [exynosdrm]
...
Process systemd-udevd (pid: 212, stack limit = 0x(ptrval))
...
[<bf03cf14>] (exynos_dsi_probe [exynosdrm]) from [<c09b1ca0>] (platform_drv_probe+0x6c/0xa4)
[<c09b1ca0>] (platform_drv_probe) from [<c09afcb8>] (really_probe+0x210/0x350)
[<c09afcb8>] (really_probe) from [<c09aff74>] (driver_probe_device+0x60/0x1a0)
[<c09aff74>] (driver_probe_device) from [<c09b0254>] (device_driver_attach+0x58/0x60)
[<c09b0254>] (device_driver_attach) from [<c09b02dc>] (__driver_attach+0x80/0xbc)
[<c09b02dc>] (__driver_attach) from [<c09ade00>] (bus_for_each_dev+0x68/0xb4)
[<c09ade00>] (bus_for_each_dev) from [<c09aefd8>] (bus_add_driver+0x130/0x1e8)
[<c09aefd8>] (bus_add_driver) from [<c09b0d64>] (driver_register+0x78/0x110)
[<c09b0d64>] (driver_register) from [<bf038558>] (exynos_drm_init+0xe8/0x11c [exynosdrm])
[<bf038558>] (exynos_drm_init [exynosdrm]) from [<c0302fa8>] (do_one_initcall+0x50/0x220)
[<c0302fa8>] (do_one_initcall) from [<c03dd02c>] (do_init_module+0x60/0x210)
[<c03dd02c>] (do_init_module) from [<c03dbf44>] (load_module+0x1c0c/0x2310)
[<c03dbf44>] (load_module) from [<c03dc85c>] (sys_finit_module+0xac/0xbc)
[<c03dc85c>] (sys_finit_module) from [<c0301000>] (ret_fast_syscall+0x0/0x54)
Exception stack(0xd979bfa8 to 0xd979bff0)
...
---[ end trace db16efe05faab470 ]---
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Properly propagate error value from devm_regulator_bulk_get() and don't
confuse user with meaningless warning about failure in getting regulators
in case of deferred probe.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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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>
