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The gma500 driver expects 3 pipelines in several it's IRQ functions.
Accessing struct drm_device.vblank[], this fails with devices that only
have 2 pipelines. An example KASAN report is shown below.
[ 62.267688] ==================================================================
[ 62.268856] BUG: KASAN: slab-out-of-bounds in psb_irq_postinstall+0x250/0x3c0 [gma500_gfx]
[ 62.269450] Read of size 1 at addr ffff8880012bc6d0 by task systemd-udevd/285
[ 62.269949]
[ 62.270192] CPU: 0 PID: 285 Comm: systemd-udevd Tainted: G E 5.10.0-rc1-1-default+ #572
[ 62.270807] Hardware name: /DN2800MT, BIOS MTCDT10N.86A.0164.2012.1213.1024 12/13/2012
[ 62.271366] Call Trace:
[ 62.271705] dump_stack+0xae/0xe5
[ 62.272180] print_address_description.constprop.0+0x17/0xf0
[ 62.272987] ? psb_irq_postinstall+0x250/0x3c0 [gma500_gfx]
[ 62.273474] __kasan_report.cold+0x20/0x38
[ 62.273989] ? psb_irq_postinstall+0x250/0x3c0 [gma500_gfx]
[ 62.274460] kasan_report+0x3a/0x50
[ 62.274891] psb_irq_postinstall+0x250/0x3c0 [gma500_gfx]
[ 62.275380] drm_irq_install+0x131/0x1f0
<...>
[ 62.300751] Allocated by task 285:
[ 62.301223] kasan_save_stack+0x1b/0x40
[ 62.301731] __kasan_kmalloc.constprop.0+0xbf/0xd0
[ 62.302293] drmm_kmalloc+0x55/0x100
[ 62.302773] drm_vblank_init+0x77/0x210
Resolve the issue by only handling vblank entries up to the number of
CRTCs.
I'm adding a Fixes tag for reference, although the bug has been present
since the driver's initial commit.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Fixes: 5c49fd3aa0ab ("gma500: Add the core DRM files and headers")
Cc: Alan Cox <alan@linux.intel.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Cc: stable@vger.kernel.org#v3.3+
Link: https://patchwork.freedesktop.org/patch/msgid/20201105190256.3893-1-tzimmermann@suse.de
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hvfb_getmem uses vzalloc, therefore vmalloc.h should be included.
Fixes commit d21987d709e807ba7bbf47044deb56a3c02e8be4 ("video: hyperv:
hyperv_fb: Support deferred IO for Hyper-V frame buffer driver")
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201106183941.9751-1-olaf@aepfle.de
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With the integration of chip-id detection scheme in kernel[1], there
is no specific need to maintain multitudes of SoC specific config
options, discussed as per [2], we have deprecated the usage in other
places for v5.10-rc1. Fix the missing user so that we can clean up the
configs in v5.11.
[1] drivers/soc/ti/k3-socinfo.c commit 907a2b7e2fc7 ("soc: ti: add k3 platforms chipid module driver")
[2] https://lore.kernel.org/linux-arm-kernel/20200908112534.t5bgrjf7y3a6l2ss@akan/
Fixes: afba7e6c5fc1 ("drm: bridge: cdns-mhdp8546: Add TI J721E wrapper")
Cc: Swapnil Jakhade <sjakhade@cadence.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Yuti Amonkar <yamonkar@cadence.com>
Cc: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201026165441.22894-1-nm@ti.com
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Commit 6735b4632def ("Fonts: Support FONT_EXTRA_WORDS macros for built-in
fonts") introduced the following error when building rpc_defconfig (only
this build appears to be affected):
`acorndata_8x8' referenced in section `.text' of arch/arm/boot/compressed/ll_char_wr.o:
defined in discarded section `.data' of arch/arm/boot/compressed/font.o
`acorndata_8x8' referenced in section `.data.rel.ro' of arch/arm/boot/compressed/font.o:
defined in discarded section `.data' of arch/arm/boot/compressed/font.o
make[3]: *** [/scratch/linux/arch/arm/boot/compressed/Makefile:191: arch/arm/boot/compressed/vmlinux] Error 1
make[2]: *** [/scratch/linux/arch/arm/boot/Makefile:61: arch/arm/boot/compressed/vmlinux] Error 2
make[1]: *** [/scratch/linux/arch/arm/Makefile:317: zImage] Error 2
The .data section is discarded at link time. Reinstating acorndata_8x8 as
const ensures it is still available after linking. Do the same for the
other 12 built-in fonts as well, for consistency purposes.
Cc: <stable@vger.kernel.org>
Cc: Russell King <linux@armlinux.org.uk>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes: 6735b4632def ("Fonts: Support FONT_EXTRA_WORDS macros for built-in fonts")
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Co-developed-by: Peilin Ye <yepeilin.cs@gmail.com>
Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201102183242.2031659-1-yepeilin.cs@gmail.com
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The commit dcda7c28bff2 ("drm/vc4: kms: Add functions to create the state
objects") removed the last users of the vc4 variable, but didn't remove
that variable resulting in a warning.
Fixes: dcda7c28bff2 ("drm/vc4: kms: Add functions to create the state objects")
Reported-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201102162908.1436567-1-maxime@cerno.tech
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When unloading the call to pm_runtime_put_sync_suspend() will attempt to
turn the GPU cores off, however panfrost_device_fini() will have turned
the clocks off. This leads to the hardware locking up.
Instead don't call pm_runtime_put_sync_suspend() and instead simply mark
the device as suspended using pm_runtime_set_suspended(). And also
include this on the error path in panfrost_probe().
Fixes: aebe8c22a912 ("drm/panfrost: Fix possible suspend in panfrost_remove")
Signed-off-by: Steven Price <steven.price@arm.com>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201030145833.29006-1-steven.price@arm.com
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panfrost_ioctl_madvise() and panfrost_gem_purge() acquire the mappings
and shmem locks in different orders, thus leading to a potential
the mappings lock first.
Fixes: bdefca2d8dc0 ("drm/panfrost: Add the panfrost_gem_mapping concept")
Cc: <stable@vger.kernel.org>
Cc: Christian Hewitt <christianshewitt@gmail.com>
Reported-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201101174016.839110-1-boris.brezillon@collabora.com
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In order to make the vc4_kms_load code and error path a bit easier to
read and extend, add functions to create state objects, and use managed
actions to cleanup if needed.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201029190104.2181730-6-maxime@cerno.tech
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We can simplify a bit the bind code, its error path and unbind by using
the managed devm_drm_dev_alloc function.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20201029190104.2181730-5-maxime@cerno.tech
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We have a helper to retrieve the vc4_dev structure from the drm_device one
when needed, so let's use it consistently.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20201029190104.2181730-4-maxime@cerno.tech
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The job queue needs to be cleaned up using vc4_gem_destroy, but it's
not used consistently (vc4_drv's bind calls it in its error path, but
doesn't in unbind), and we can make that automatic through a managed
action. Let's remove the requirement to call vc4_gem_destroy.
Fixes: d5b1a78a772f ("drm/vc4: Add support for drawing 3D frames.")
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20201029190104.2181730-3-maxime@cerno.tech
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Using drmm_mode_config_init instead of drm_mode_config_init allows us to
cleanup a bit the error path.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201029190104.2181730-2-maxime@cerno.tech
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The BO cache needs to be cleaned up using vc4_bo_cache_destroy, but it's
not used consistently (vc4_drv's bind calls it in its error path, but
doesn't in unbind), and we can make that automatic through a managed
action. Let's remove the requirement to call vc4_bo_cache_destroy.
Fixes: c826a6e10644 ("drm/vc4: Add a BO cache.")
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20201029190104.2181730-1-maxime@cerno.tech
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"Three fixes all related to #DB:
- Handle the BTF bit correctly so it doesn't get lost due to a kernel
#DB
- Only clear and set the virtual DR6 value used by ptrace on user
space triggered #DB. A kernel #DB must leave it alone to ensure
data consistency for ptrace.
- Make the bitmasking of the virtual DR6 storage correct so it does
not lose DR_STEP"
* tag 'x86-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/debug: Fix DR_STEP vs ptrace_get_debugreg(6)
x86/debug: Only clear/set ->virtual_dr6 for userspace #DB
x86/debug: Fix BTF handling
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"A few fixes for timers/timekeeping:
- Prevent undefined behaviour in the timespec64_to_ns() conversion
which is used for converting user supplied time input to
nanoseconds. It lacked overflow protection.
- Mark sched_clock_read_begin/retry() to prevent recursion in the
tracer
- Remove unused debug functions in the hrtimer and timerlist code"
* tag 'timers-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
time: Prevent undefined behaviour in timespec64_to_ns()
timers: Remove unused inline funtion debug_timer_free()
hrtimer: Remove unused inline function debug_hrtimer_free()
time/sched_clock: Mark sched_clock_read_begin/retry() as notrace
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull smp fix from Thomas Gleixner:
"A single fix for stop machine.
Mark functions no trace to prevent a crash caused by recursion when
enabling or disabling a tracer on RISC-V (probably all architectures
which patch through stop machine)"
* tag 'smp-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
stop_machine, rcu: Mark functions as notrace
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Thomas Gleixner:
"A couple of locking fixes:
- Fix incorrect failure injection handling in the fuxtex code
- Prevent a preemption warning in lockdep when tracking
local_irq_enable() and interrupts are already enabled
- Remove more raw_cpu_read() usage from lockdep which causes state
corruption on !X86 architectures.
- Make the nr_unused_locks accounting in lockdep correct again"
* tag 'locking-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
lockdep: Fix nr_unused_locks accounting
locking/lockdep: Remove more raw_cpu_read() usage
futex: Fix incorrect should_fail_futex() handling
lockdep: Fix preemption WARN for spurious IRQ-enable
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes/removals from Greg KH:
"Here's some small fixes for 5.10-rc2 and a big driver removal.
The fixes are for some reported issues in the interconnect and
coresight drivers, nothing major.
The "big" driver removal is the MIC drivers have been asked to be
removed as the hardware never shipped and Intel no longer wants to
maintain something that no one can use. This is welcomed by many as
the DMA usage of these drivers was "interesting" and the security
people were starting to question some issues that were starting to be
found in the codebase.
Note, one of the subsystems for this driver, the "VOP" code, will
probably come back in future kernel versions as it was looking to
potentially solve some PCIe virtualization issues that a number of
other vendors were wanting to solve. But as-is, this codebase didn't
work for anyone else so no actual functionality is being removed.
All of these have been in linux-next with no reported issues"
* tag 'char-misc-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
coresight: cti: Initialize dynamic sysfs attributes
coresight: Fix uninitialised pointer bug in etm_setup_aux()
coresight: add module license
misc: mic: remove the MIC drivers
interconnect: qcom: use icc_sync state for sm8[12]50
interconnect: qcom: Ensure that the floor bandwidth value is enforced
interconnect: qcom: sc7180: Init BCMs before creating the nodes
interconnect: qcom: sdm845: Init BCMs before creating the nodes
interconnect: Aggregate before setting initial bandwidth
interconnect: qcom: sdm845: Enable keepalive for the MM1 BCM
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core and documentation fixes from Greg KH:
"Here is one tiny debugfs change to fix up an API where the last user
was successfully fixed up in 5.10-rc1 (so it couldn't be merged
earlier), and a much larger Documentation/ABI/ update to the files so
they can be automatically parsed by our tools.
The Documentation/ABI/ updates are just formatting issues, small ones
to bring the files into parsable format, and have been acked by
numerous subsystem maintainers and the documentation maintainer. I
figured it was good to get this into 5.10-rc2 to help wih the merge
issues that would arise if these were to stick in linux-next until
5.11-rc1.
The debugfs change has been in linux-next for a long time, and the
Documentation updates only for the last linux-next release"
* tag 'driver-core-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (40 commits)
scripts: get_abi.pl: assume ReST format by default
docs: ABI: sysfs-class-led-trigger-pattern: remove hw_pattern duplication
docs: ABI: sysfs-class-backlight: unify ABI documentation
docs: ABI: sysfs-c2port: remove a duplicated entry
docs: ABI: sysfs-class-power: unify duplicated properties
docs: ABI: unify /sys/class/leds/<led>/brightness documentation
docs: ABI: stable: remove a duplicated documentation
docs: ABI: change read/write attributes
docs: ABI: cleanup several ABI documents
docs: ABI: sysfs-bus-nvdimm: use the right format for ABI
docs: ABI: vdso: use the right format for ABI
docs: ABI: fix syntax to be parsed using ReST notation
docs: ABI: convert testing/configfs-acpi to ReST
docs: Kconfig/Makefile: add a check for broken ABI files
docs: abi-testing.rst: enable --rst-sources when building docs
docs: ABI: don't escape ReST-incompatible chars from obsolete and removed
docs: ABI: create a 2-depth index for ABI
docs: ABI: make it parse ABI/stable as ReST-compatible files
docs: ABI: sysfs-uevent: make it compatible with ReST output
docs: ABI: testing: make the files compatible with ReST output
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are some small staging driver fixes for issues that have been
reported in 5.10-rc1:
- octeon driver fixes
- wfx driver fixes
- memory leak fix in vchiq driver
- fieldbus driver bugfix
- comedi driver bugfix
All of these have been in linux-next with no reported issues"
* tag 'staging-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: fieldbus: anybuss: jump to correct label in an error path
staging: wfx: fix test on return value of gpiod_get_value()
staging: wfx: fix use of uninitialized pointer
staging: mmal-vchiq: Fix memory leak for vchiq_instance
staging: comedi: cb_pcidas: Allow 2-channel commands for AO subdevice
staging: octeon: Drop on uncorrectable alignment or FCS error
staging: octeon: repair "fixed-link" support
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some small TTY and Serial driver fixes for reported issues
for 5.10-rc2. They include:
- vt ioctl bugfix for reported problems
- fsl_lpuart serial driver fix
- 21285 serial driver bugfix
All have been in linux-next with no reported issues"
* tag 'tty-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
vt_ioctl: fix GIO_UNIMAP regression
vt: keyboard, extend func_buf_lock to readers
vt: keyboard, simplify vt_kdgkbsent
tty: serial: fsl_lpuart: LS1021A has a FIFO size of 16 words, like LS1028A
tty: serial: 21285: fix lockup on open
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB driver fixes from Greg KH:
"Here are a number of small bugfixes for reported issues in some USB
drivers. They include:
- typec bugfixes
- xhci bugfixes and lockdep warning fixes
- cdc-acm driver regression fix
- kernel doc fixes
- cdns3 driver bugfixes for a bunch of reported issues
- other tiny USB driver fixes
All have been in linux-next with no reported issues"
* tag 'usb-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: cdns3: gadget: own the lock wrongly at the suspend routine
usb: cdns3: Fix on-chip memory overflow issue
usb: cdns3: gadget: suspicious implicit sign extension
xhci: Don't create stream debugfs files with spinlock held.
usb: xhci: Workaround for S3 issue on AMD SNPS 3.0 xHC
xhci: Fix sizeof() mismatch
usb: typec: stusb160x: fix signedness comparison issue with enum variables
usb: typec: add missing MODULE_DEVICE_TABLE() to stusb160x
USB: apple-mfi-fastcharge: don't probe unhandled devices
usbcore: Check both id_table and match() when both available
usb: host: ehci-tegra: Fix error handling in tegra_ehci_probe()
usb: typec: stusb160x: fix an IS_ERR() vs NULL check in probe
usb: typec: tcpm: reset hard_reset_count for any disconnect
usb: cdc-acm: fix cooldown mechanism
usb: host: fsl-mph-dr-of: check return of dma_set_mask()
usb: fix kernel-doc markups
usb: typec: stusb160x: fix some signedness bugs
usb: cdns3: Variable 'length' set but not used
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Pull kvm fixes from Paolo Bonzini:
"ARM:
- selftest fix
- force PTE mapping on device pages provided via VFIO
- fix detection of cacheable mapping at S2
- fallback to PMD/PTE mappings for composite huge pages
- fix accounting of Stage-2 PGD allocation
- fix AArch32 handling of some of the debug registers
- simplify host HYP entry
- fix stray pointer conversion on nVHE TLB invalidation
- fix initialization of the nVHE code
- simplify handling of capabilities exposed to HYP
- nuke VCPUs caught using a forbidden AArch32 EL0
x86:
- new nested virtualization selftest
- miscellaneous fixes
- make W=1 fixes
- reserve new CPUID bit in the KVM leaves"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: vmx: remove unused variable
KVM: selftests: Don't require THP to run tests
KVM: VMX: eVMCS: make evmcs_sanitize_exec_ctrls() work again
KVM: selftests: test behavior of unmapped L2 APIC-access address
KVM: x86: Fix NULL dereference at kvm_msr_ignored_check()
KVM: x86: replace static const variables with macros
KVM: arm64: Handle Asymmetric AArch32 systems
arm64: cpufeature: upgrade hyp caps to final
arm64: cpufeature: reorder cpus_have_{const, final}_cap()
KVM: arm64: Factor out is_{vhe,nvhe}_hyp_code()
KVM: arm64: Force PTE mapping on fault resulting in a device mapping
KVM: arm64: Use fallback mapping sizes for contiguous huge page sizes
KVM: arm64: Fix masks in stage2_pte_cacheable()
KVM: arm64: Fix AArch32 handling of DBGD{CCINT,SCRext} and DBGVCR
KVM: arm64: Allocate stage-2 pgd pages with GFP_KERNEL_ACCOUNT
KVM: arm64: Drop useless PAN setting on host EL1 to EL2 transition
KVM: arm64: Remove leftover kern_hyp_va() in nVHE TLB invalidation
KVM: arm64: Don't corrupt tpidr_el2 on failed HVC call
x86/kvm: Reserve KVM_FEATURE_MSI_EXT_DEST_ID
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Pull vhost fixes from Michael Tsirkin:
"Fixes all over the place.
A new UAPI is borderline: can also be considered a new feature but
also seems to be the only way we could come up with to fix addressing
for userspace - and it seems important to switch to it now before
userspace making assumptions about addressing ability of devices is
set in stone"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vdpasim: allow to assign a MAC address
vdpasim: fix MAC address configuration
vdpa: handle irq bypass register failure case
vdpa_sim: Fix DMA mask
Revert "vhost-vdpa: fix page pinning leakage in error path"
vdpa/mlx5: Fix error return in map_direct_mr()
vhost_vdpa: Return -EFAULT if copy_from_user() fails
vdpa_sim: implement get_iova_range()
vhost: vdpa: report iova range
vdpa: introduce config op to get valid iova range
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git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux
Pull more flexible-array member conversions from Gustavo A. R. Silva:
"Replace zero-length arrays with flexible-array members"
* tag 'flexible-array-conversions-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
printk: ringbuffer: Replace zero-length array with flexible-array member
net/smc: Replace zero-length array with flexible-array member
net/mlx5: Replace zero-length array with flexible-array member
mei: hw: Replace zero-length array with flexible-array member
gve: Replace zero-length array with flexible-array member
Bluetooth: btintel: Replace zero-length array with flexible-array member
scsi: target: tcmu: Replace zero-length array with flexible-array member
ima: Replace zero-length array with flexible-array member
enetc: Replace zero-length array with flexible-array member
fs: Replace zero-length array with flexible-array member
Bluetooth: Replace zero-length array with flexible-array member
params: Replace zero-length array with flexible-array member
tracepoint: Replace zero-length array with flexible-array member
platform/chrome: cros_ec_proto: Replace zero-length array with flexible-array member
platform/chrome: cros_ec_commands: Replace zero-length array with flexible-array member
mailbox: zynqmp-ipi-message: Replace zero-length array with flexible-array member
dmaengine: ti-cppi5: Replace zero-length array with flexible-array member
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Pull dma-mapping fix from Christoph Hellwig:
"Fix an integer overflow on 32-bit platforms in the new DMA range code
(Geert Uytterhoeven)"
* tag 'dma-mapping-5.10-2' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: fix 32-bit overflow with CONFIG_ARM_LPAE=n
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four driver fixes and one core fix.
The core fix closes a race window where we could kick off a second
asynchronous scan because the test and set of the variable preventing
it isn't atomic"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: hisi_sas: Stop using queue #0 always for v2 hw
scsi: ibmvscsi: Fix potential race after loss of transport
scsi: mptfusion: Fix null pointer dereferences in mptscsih_remove()
scsi: qla2xxx: Return EBUSY on fcport deletion
scsi: core: Don't start concurrent async scan on same host
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Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Unless we want to test with THP, then we shouldn't require it to be
configured by the host kernel. Unfortunately, even advising with
MADV_NOHUGEPAGE does require it, so check for THP first in order
to avoid madvise failing with EINVAL.
Signed-off-by: Andrew Jones <drjones@redhat.com>
Message-Id: <20201029201703.102716-2-drjones@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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It was noticed that evmcs_sanitize_exec_ctrls() is not being executed
nowadays despite the code checking 'enable_evmcs' static key looking
correct. Turns out, static key magic doesn't work in '__init' section
(and it is unclear when things changed) but setup_vmcs_config() is called
only once per CPU so we don't really need it to. Switch to checking
'enlightened_vmcs' instead, it is supposed to be in sync with
'enable_evmcs'.
Opportunistically make evmcs_sanitize_exec_ctrls '__init' and drop unneeded
extra newline from it.
Reported-by: Yang Weijiang <weijiang.yang@intel.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20201014143346.2430936-1-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Add a regression test for commit 671ddc700fd0 ("KVM: nVMX: Don't leak
L1 MMIO regions to L2").
First, check to see that an L2 guest can be launched with a valid
APIC-access address that is backed by a page of L1 physical memory.
Next, set the APIC-access address to a (valid) L1 physical address
that is not backed by memory. KVM can't handle this situation, so
resuming L2 should result in a KVM exit for internal error
(emulation).
Signed-off-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Ricardo Koller <ricarkol@google.com>
Reviewed-by: Peter Shier <pshier@google.com>
Message-Id: <20201026180922.3120555-1-jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Pull block fixes from Jens Axboe:
- null_blk zone fixes (Damien, Kanchan)
- NVMe pull request from Christoph:
- improve zone revalidation (Keith Busch)
- gracefully handle zero length messages in nvme-rdma (zhenwei pi)
- nvme-fc error handling fixes (James Smart)
- nvmet tracing NULL pointer dereference fix (Chaitanya Kulkarni)"
- xsysace platform fixes (Andy)
- scatterlist type cleanup (David)
- blk-cgroup memory fixes (Gabriel)
- nbd block size update fix (Ming)
- Flush completion state fix (Ming)
- bio_add_hw_page() iteration fix (Naohiro)
* tag 'block-5.10-2020-10-30' of git://git.kernel.dk/linux-block:
blk-mq: mark flush request as IDLE in flush_end_io()
lib/scatterlist: use consistent sg_copy_buffer() return type
xsysace: use platform_get_resource() and platform_get_irq_optional()
null_blk: Fix locking in zoned mode
null_blk: Fix zone reset all tracing
nbd: don't update block size after device is started
block: advance iov_iter on bio_add_hw_page failure
null_blk: synchronization fix for zoned device
nvmet: fix a NULL pointer dereference when tracing the flush command
nvme-fc: remove nvme_fc_terminate_io()
nvme-fc: eliminate terminate_io use by nvme_fc_error_recovery
nvme-fc: remove err_work work item
nvme-fc: track error_recovery while connecting
nvme-rdma: handle unexpected nvme completion data length
nvme: ignore zone validate errors on subsequent scans
blk-cgroup: Pre-allocate tree node on blkg_conf_prep
blk-cgroup: Fix memleak on error path
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There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code should
always use “flexible array members”[1] for these cases. The older style of
one-element or zero-length arrays should no longer be used[2].
[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9/process/deprecated.html#zero-length-and-one-element-arrays
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
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There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code should
always use “flexible array members”[1] for these cases. The older style of
one-element or zero-length arrays should no longer be used[2].
[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9/process/deprecated.html#zero-length-and-one-element-arrays
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
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There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code should
always use “flexible array members”[1] for these cases. The older style of
one-element or zero-length arrays should no longer be used[2].
[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9/process/deprecated.html#zero-length-and-one-element-arrays
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
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|
There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code should
always use “flexible array members”[1] for these cases. The older style of
one-element or zero-length arrays should no longer be used[2].
[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9/process/deprecated.html#zero-length-and-one-element-arrays
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
|
|
There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code
should always use “flexible array members”[1] for these cases. The
older style of one-element or zero-length arrays should no longer be
used[2].
Refactor the code according to the use of a flexible-array member in
struct gve_stats_report, instead of a zero-length array, and use the
struct_size() helper to calculate the size for the resource allocation.
[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9/process/deprecated.html#zero-length-and-one-element-arrays
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
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|
There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code should
always use “flexible array members”[1] for these cases. The older style of
one-element or zero-length arrays should no longer be used[2].
[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9/process/deprecated.html#zero-length-and-one-element-arrays
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
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Pull io_uring fixes from Jens Axboe:
- Fixes for linked timeouts (Pavel)
- Set IO_WQ_WORK_CONCURRENT early for async offload (Pavel)
- Two minor simplifications that make the code easier to read and
follow (Pavel)
* tag 'io_uring-5.10-2020-10-30' of git://git.kernel.dk/linux-block:
io_uring: use type appropriate io_kiocb handler for double poll
io_uring: simplify __io_queue_sqe()
io_uring: simplify nxt propagation in io_queue_sqe
io_uring: don't miss setting IO_WQ_WORK_CONCURRENT
io_uring: don't defer put of cancelled ltimeout
io_uring: always clear LINK_TIMEOUT after cancel
io_uring: don't adjust LINK_HEAD in cancel ltimeout
io_uring: remove opcode check on ltimeout kill
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Pull libata fix from Jens Axboe:
"Single fix for an old regression with sata_nv"
* tag 'libata-5.10-2020-10-30' of git://git.kernel.dk/linux-block:
ata: sata_nv: Fix retrieving of active qcs
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- lockdep fixes:
- drop path locks before manipulating sysfs objects or qgroups
- preliminary fixes before tree locks get switched to rwsem
- use annotated seqlock
- build warning fixes (printk format)
- fix relocation vs fallocate race
- tree checker properly validates number of stripes and parity
- readahead vs device replace fixes
- iomap dio fix for unnecessary buffered io fallback
* tag 'for-5.10-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: convert data_seqcount to seqcount_mutex_t
btrfs: don't fallback to buffered read if we don't need to
btrfs: add a helper to read the tree_root commit root for backref lookup
btrfs: drop the path before adding qgroup items when enabling qgroups
btrfs: fix readahead hang and use-after-free after removing a device
btrfs: fix use-after-free on readahead extent after failure to create it
btrfs: tree-checker: validate number of chunk stripes and parity
btrfs: tree-checker: fix incorrect printk format
btrfs: drop the path before adding block group sysfs files
btrfs: fix relocation failure due to race with fallocate
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"The diffstat is a bit spread out thanks to an invasive CPU erratum
workaround which missed the merge window and also a bunch of fixes to
the recently added MTE selftests.
- Fixes to MTE kselftests
- Fix return code from KVM Spectre-v2 hypercall
- Build fixes for ld.lld and Clang's infamous integrated assembler
- Ensure RCU is up and running before we use printk()
- Workaround for Cortex-A77 erratum 1508412
- Fix linker warnings from unexpected ELF sections
- Ensure PE/COFF sections are 64k aligned"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Change .weak to SYM_FUNC_START_WEAK_PI for arch/arm64/lib/mem*.S
arm64/smp: Move rcu_cpu_starting() earlier
arm64: Add workaround for Arm Cortex-A77 erratum 1508412
arm64: Add part number for Arm Cortex-A77
arm64: mte: Document that user PSTATE.TCO is ignored by kernel uaccess
module: use hidden visibility for weak symbol references
arm64: efi: increase EFI PE/COFF header padding to 64 KB
arm64: vmlinux.lds: account for spurious empty .igot.plt sections
kselftest/arm64: Fix check_user_mem test
kselftest/arm64: Fix check_ksm_options test
kselftest/arm64: Fix check_mmap_options test
kselftest/arm64: Fix check_child_memory test
kselftest/arm64: Fix check_tags_inclusion test
kselftest/arm64: Fix check_buffer_fill test
arm64: avoid -Woverride-init warning
KVM: arm64: ARM_SMCCC_ARCH_WORKAROUND_1 doesn't return SMCCC_RET_NOT_REQUIRED
arm64: vdso32: Allow ld.lld to properly link the VDSO
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git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic fix from Arnd Bergmann:
"One small bugfix, fixing a build regression for RISC-V"
* tag 'asm-generic-fixes-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
asm-generic: mark __{get,put}_user_fn as __always_inline
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"This is a fairly large set of bug fixes on top of -rc1, as most of
them were ready but didn't quite make it into the last-minute pull
requests for the merge window.
Allwinner:
- fix for incorrect CPU overtemperature limit
Amlogic:
- multiple smaller DT bugfixes, and missing device nodes
Marvell EBU:
- add missing aliases for ethernet switch ports on espressobin board
Marvell MMP:
- DTC warning fix
- bugfix for camera interface power-down
NXP i.MX:
- re-enable the GPIO driver on all defconfigs
ST STM32MP1:
- fix random crashes from incorrect voltage settings
Synaptics Berlin:
- enable the correct hardware timer driver
Texas Instruments K2G:
- fix a boot regression in the power domain code
TEE drivers:
- fix regression in TEE "login" method
SCMI drivers:
- multiple code fixes for corner cases in newly added code
MAINTAINERS file:
- move Kukjin Kim and Sangbeom Kim to credits (used to work on
Samsung Exynos)
- Masahiro Yamada is stepping down as Uniphier maintainer
I did not include a series of patches that work around a regression
caused by a bugfix in an ethernet phy driver that resulted in an
inadvertent DT binding change. This is still under discussion"
* tag 'arm-soc-fixes-v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (31 commits)
soc: ti: ti_sci_pm_domains: check for proper args count in xlate
ARM: dts: stm32: Describe Vin power supply on stm32mp157c-edx board
ARM: dts: stm32: Describe Vin power supply on stm32mp15xx-dkx board
ARM: multi_v5_defconfig: Select CONFIG_GPIO_MXC
ARM: imx_v4_v5_defconfig: Select CONFIG_GPIO_MXC
ARM: dts: mmp2-olpc-xo-1-75: Use plural form of "-gpios"
ARM: dts: mmp3: Add power domain for the camera
arm64: berlin: Select DW_APB_TIMER_OF
dt-bindings: sram: sunxi-sram: add V3s compatible string
MAINTAINERS: Move Sangbeom Kim to credits
MAINTAINERS: Move Kukjin Kim to credits
MAINTAINERS: step down as maintainer of UniPhier SoCs and Denali driver
ARM: multi_v7_defconfig: Build in CONFIG_GPIO_MXC by default
ARM: imx_v6_v7_defconfig: Build in CONFIG_GPIO_MXC by default
arm64: defconfig: Build in CONFIG_GPIO_MXC by default
arm64: dts: meson: odroid-n2 plus: fix vddcpu_a pwm
ARM: dts: meson8: remove two invalid interrupt lines from the GPU node
arm64: dts: amlogic: add missing ethernet reset ID
firmware: arm_scmi: Fix duplicate workqueue name
firmware: arm_scmi: Fix locking in notifications
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull PNP fix from Rafael Wysocki:
"Make function names in kerneldoc comments match the actual names of
the functions that they correspond to (Mauro Carvalho Chehab)"
* tag 'pnp-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PNP: fix kernel-doc markups
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull device properties framework fixes from Rafael Wysocki:
"Fix the secondary firmware node handling while manipulating the
primary firmware node for a given device (Andy Shevchenko)"
* tag 'devprop-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
device property: Don't clear secondary pointer for shared primary firmware node
device property: Keep secondary firmware node secondary by type
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix three assorted minor issues.
Specifics:
- Eliminate compiler warning emitted when building the ACPI dock
driver (Arnd Bergmann).
- Drop lid_init_state quirk for Acer SW5-012 that is not needed any
more after recent changes (Hans de Goede).
- Fix "missing minus" typo in the NFIT parsing code (Zhang Qilong)"
* tag 'acpi-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: button: Drop no longer necessary Acer SW5-012 lid_init_state quirk
ACPI: NFIT: Fix comparison to '-ENXIO'
ACPI: dock: fix enum-conversion warning
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix a few issues related to running intel_pstate in the passive
mode with HWP enabled, correct the handling of the max_cstate module
parameter in intel_idle and make a few janitorial changes.
Specifics:
- Modify Kconfig to prevent configuring either the "conservative" or
the "ondemand" governor as the default cpufreq governor if
intel_pstate is selected, in which case "schedutil" is the default
choice for the default governor setting (Rafael Wysocki).
- Modify the cpufreq core, intel_pstate and the schedutil governor to
avoid missing updates of the HWP max limit when intel_pstate
operates in the passive mode with HWP enabled (Rafael Wysocki).
- Fix max_cstate module parameter handling in intel_idle for
processor models with C-state tables coming from ACPI (Chen Yu).
- Clean up assorted pieces of power management code (Jackie Zamow,
Tom Rix, Zhang Qilong)"
* tag 'pm-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: schedutil: Always call driver if CPUFREQ_NEED_UPDATE_LIMITS is set
cpufreq: Introduce cpufreq_driver_test_flags()
cpufreq: speedstep: remove unneeded semicolon
PM: sleep: fix typo in kernel/power/process.c
intel_idle: Fix max_cstate for processor models without C-state tables
cpufreq: intel_pstate: Avoid missing HWP max updates in passive mode
cpufreq: Introduce CPUFREQ_NEED_UPDATE_LIMITS driver flag
cpufreq: Avoid configuring old governors as default with intel_pstate
cpufreq: e_powersaver: remove unreachable break
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC host fixes from Ulf Hansson:
- sdhci: Fix performance regression with auto CMD auto select
- sdhci-of-esdhc: Fix initialization for eMMC HS400 mode
- sdhci-of-esdhc: Fix timeout bug for tuning commands
* tag 'mmc-v5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-of-esdhc: make sure delay chain locked for HS400
mmc: sdhci-of-esdhc: set timeout to max before tuning
mmc: sdhci: Use Auto CMD Auto Select only when v4_mode is true
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