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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree fixes from Rob Herring:
- Fix phandle cache to work with overlays
- Correct the default clock-frequency for QCom geni-i2c
- Binding doc quote and spelling fixes
* tag 'devicetree-fixes-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of: overlay: update phandle cache on overlay apply and remove
dt-bindings: Fix unbalanced quotation marks
dt-bindings: soc: qcom: Fix default clock-freq for qcom,geni-i2c
dt-bindings: w1-gpio: Remove unneeded unit address
Documentation: devicetree: tilcdc: fix spelling mistake "suppors" -> "supports"
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"Three regression fixes. They're few-liners and fixing some corner
cases missed in the origial patches"
* tag 'for-4.18-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: scrub: Don't use inode page cache in scrub_handle_errored_block()
btrfs: fix use-after-free of cmp workspace pages
btrfs: restore uuid_mutex in btrfs_open_devices
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Pull kvm fixes from Paolo Bonzini:
"Miscellaneous bugfixes, plus a small patchlet related to Spectre v2"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
kvmclock: fix TSC calibration for nested guests
KVM: VMX: Mark VMXArea with revision_id of physical CPU even when eVMCS enabled
KVM: irqfd: fix race between EPOLLHUP and irq_bypass_register_consumer
KVM/Eventfd: Avoid crash when assign and deassign specific eventfd in parallel.
x86/kvmclock: set pvti_cpu0_va after enabling kvmclock
x86/kvm/Kconfig: Ensure CRYPTO_DEV_CCP_DD state at minimum matches KVM_AMD
kvm: nVMX: Restore exit qual for VM-entry failure due to MSR loading
x86/kvm/vmx: don't read current->thread.{fs,gs}base of legacy tasks
KVM: VMX: support MSR_IA32_ARCH_CAPABILITIES as a feature MSR
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Inside a nested guest, access to hardware can be slow enough that
tsc_read_refs always return ULLONG_MAX, causing tsc_refine_calibration_work
to be called periodically and the nested guest to spend a lot of time
reading the ACPI timer.
However, if the TSC frequency is available from the pvclock page,
we can just set X86_FEATURE_TSC_KNOWN_FREQ and avoid the recalibration.
'refine' operation.
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
[Commit message rewritten. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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When eVMCS is enabled, all VMCS allocated to be used by KVM are marked
with revision_id of KVM_EVMCS_VERSION instead of revision_id reported
by MSR_IA32_VMX_BASIC.
However, even though not explictly documented by TLFS, VMXArea passed
as VMXON argument should still be marked with revision_id reported by
physical CPU.
This issue was found by the following setup:
* L0 = KVM which expose eVMCS to it's L1 guest.
* L1 = KVM which consume eVMCS reported by L0.
This setup caused the following to occur:
1) L1 execute hardware_enable().
2) hardware_enable() calls kvm_cpu_vmxon() to execute VMXON.
3) L0 intercept L1 VMXON and execute handle_vmon() which notes
vmxarea->revision_id != VMCS12_REVISION and therefore fails with
nested_vmx_failInvalid() which sets RFLAGS.CF.
4) L1 kvm_cpu_vmxon() don't check RFLAGS.CF for failure and therefore
hardware_enable() continues as usual.
5) L1 hardware_enable() then calls ept_sync_global() which executes
INVEPT.
6) L0 intercept INVEPT and execute handle_invept() which notes
!vmx->nested.vmxon and thus raise a #UD to L1.
7) Raised #UD caused L1 to panic.
Reviewed-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
Cc: stable@vger.kernel.org
Fixes: 773e8a0425c923bc02668a2d6534a5ef5a43cc69
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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A comment warning against this bug is there, but the code is not doing what
the comment says. Therefore it is possible that an EPOLLHUP races against
irq_bypass_register_consumer. The EPOLLHUP handler schedules irqfd_shutdown,
and if that runs soon enough, you get a use-after-free.
Reported-by: syzbot <syzkaller@googlegroups.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
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Syzbot reports crashes in kvm_irqfd_assign(), caused by use-after-free
when kvm_irqfd_assign() and kvm_irqfd_deassign() run in parallel
for one specific eventfd. When the assign path hasn't finished but irqfd
has been added to kvm->irqfds.items list, another thead may deassign the
eventfd and free struct kvm_kernel_irqfd(). The assign path then uses
the struct kvm_kernel_irqfd that has been freed by deassign path. To avoid
such issue, keep irqfd under kvm->irq_srcu protection after the irqfd
has been added to kvm->irqfds.items list, and call synchronize_srcu()
in irq_shutdown() to make sure that irqfd has been fully initialized in
the assign path.
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Tianyu Lan <tianyu.lan@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Way back in 4.9, we committed 4cd13c21b207 ("softirq: Let ksoftirqd do
its job"), and ever since we've had small nagging issues with it. For
example, we've had:
1ff688209e2e ("watchdog: core: make sure the watchdog_worker is not deferred")
8d5755b3f77b ("watchdog: softdog: fire watchdog even if softirqs do not get to run")
217f69743681 ("net: busy-poll: allow preemption in sk_busy_loop()")
all of which worked around some of the effects of that commit.
The DVB people have also complained that the commit causes excessive USB
URB latencies, which seems to be due to the USB code using tasklets to
schedule USB traffic. This seems to be an issue mainly when already
living on the edge, but waiting for ksoftirqd to handle it really does
seem to cause excessive latencies.
Now Hanna Hawa reports that this issue isn't just limited to USB URB and
DVB, but also causes timeout problems for the Marvell SoC team:
"I'm facing kernel panic issue while running raid 5 on sata disks
connected to Macchiatobin (Marvell community board with Armada-8040
SoC with 4 ARMv8 cores of CA72) Raid 5 built with Marvell DMA engine
and async_tx mechanism (ASYNC_TX_DMA [=y]); the DMA driver (mv_xor_v2)
uses a tasklet to clean the done descriptors from the queue"
The latency problem causes a panic:
mv_xor_v2 f0400000.xor: dma_sync_wait: timeout!
Kernel panic - not syncing: async_tx_quiesce: DMA error waiting for transaction
We've discussed simply just reverting the original commit entirely, and
also much more involved solutions (with per-softirq threads etc). This
patch is intentionally stupid and fairly limited, because the issue
still remains, and the other solutions either got sidetracked or had
other issues.
We should probably also consider the timer softirqs to be synchronous
and not be delayed to ksoftirqd (since they were the issue with the
earlier watchdog problems), but that should be done as a separate patch.
This does only the tasklet cases.
Reported-and-tested-by: Hanna Hawa <hannah@marvell.com>
Reported-and-tested-by: Josef Griebichler <griebichler.josef@gmx.at>
Reported-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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In commit ac0b4145d662 ("btrfs: scrub: Don't use inode pages for device
replace") we removed the branch of copy_nocow_pages() to avoid
corruption for compressed nodatasum extents.
However above commit only solves the problem in scrub_extent(), if
during scrub_pages() we failed to read some pages,
sctx->no_io_error_seen will be non-zero and we go to fixup function
scrub_handle_errored_block().
In scrub_handle_errored_block(), for sctx without csum (no matter if
we're doing replace or scrub) we go to scrub_fixup_nodatasum() routine,
which does the similar thing with copy_nocow_pages(), but does it
without the extra check in copy_nocow_pages() routine.
So for test cases like btrfs/100, where we emulate read errors during
replace/scrub, we could corrupt compressed extent data again.
This patch will fix it just by avoiding any "optimization" for
nodatasum, just falls back to the normal fixup routine by try read from
any good copy.
This also solves WARN_ON() or dead lock caused by lame backref iteration
in scrub_fixup_nodatasum() routine.
The deadlock or WARN_ON() won't be triggered before commit ac0b4145d662
("btrfs: scrub: Don't use inode pages for device replace") since
copy_nocow_pages() have better locking and extra check for data extent,
and it's already doing the fixup work by try to read data from any good
copy, so it won't go scrub_fixup_nodatasum() anyway.
This patch disables the faulty code and will be removed completely in a
followup patch.
Fixes: ac0b4145d662 ("btrfs: scrub: Don't use inode pages for device replace")
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
- A slew of driver fixes for Mediatek mt7622
- Fix a direction inversion bug in the Ingenic driver
- Fix unsupported drive strength setting on the PFC r8a77970
- Off by one and NULL dereference fixes in the NSP driver
* tag 'pinctrl-v4.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: nsp: Fix potential NULL dereference
pinctrl: nsp: off by ones in nsp_pinmux_enable()
pinctrl: sh-pfc: r8a77970: remove SH_PFC_PIN_CFG_DRIVE_STRENGTH flag
pinctrl: ingenic: Fix inverted direction for < JZ4770
pinctrl: mt7622: fix a kernel panic when gpio-hog is being applied
pinctrl: mt7622: stop using the deprecated pinctrl_add_gpio_range
pinctrl: mt7622: fix that pinctrl_claim_hogs cannot work
pinctrl: mt7622: fix initialization sequence between eint and gpiochip
pinctrl: mt7622: fix error path on failing at groups building
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Pull drm fixes from Dave Airlie:
- two AGP fixes in here
- a bunch of mostly amdgpu fixes
- sun4i build fix
- two armada fixes
- some tegra fixes
- one i915 core and one i915 gvt fix
* tag 'drm-fixes-2018-07-16-1' of git://anongit.freedesktop.org/drm/drm:
drm/amdgpu/pp/smu7: use a local variable for toc indexing
amd/dc/dce100: On dce100, set clocks to 0 on suspend
drm/amd/display: Convert 10kHz clks from PPLib into kHz for Vega
drm/amdgpu: Verify root PD is mapped into kernel address space (v4)
drm/amd/display: fix invalid function table override
drm/amdgpu: Reserve VM root shared fence slot for command submission (v3)
Revert "drm/amd/display: Don't return ddc result and read_bytes in same return value"
char: amd64-agp: Use 64-bit arithmetic instead of 32-bit
char: agp: Change return type to vm_fault_t
drm/i915: Fix hotplug irq ack on i965/g4x
drm/armada: fix irq handling
drm/armada: fix colorkey mode property
drm/tegra: Fix comparison operator for buffer size
gpu: host1x: Check whether size of unpin isn't 0
gpu: host1x: Skip IOMMU initialization if firewall is enabled
drm/sun4i: link in front-end code if needed
drm/i915/gvt: update vreg on inhibit context lri command
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Moving zero_resv_unavail before memmap_init_zone(), caused a regression on
x86-32.
The cause is that we access struct pages before they are allocated when
CONFIG_FLAT_NODE_MEM_MAP is used.
free_area_init_nodes()
zero_resv_unavail()
mm_zero_struct_page(pfn_to_page(pfn)); <- struct page is not alloced
free_area_init_node()
if CONFIG_FLAT_NODE_MEM_MAP
alloc_node_mem_map()
memblock_virt_alloc_node_nopanic() <- struct page alloced here
On the other hand memblock_virt_alloc_node_nopanic() zeroes all the memory
that it returns, so we do not need to do zero_resv_unavail() here.
Fixes: e181ae0c5db9 ("mm: zero unavailable pages before memmap init")
Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Tested-by: Matt Hart <matt@mattface.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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A comment in the review of the patch adding the phandle cache said that
the cache would have to be updated when modules are applied and removed.
This patch implements the cache updates.
Fixes: 0b3ce78e90fc ("of: cache phandle nodes to reduce cost of of_find_node_by_phandle()")
Reported-by: Alan Tull <atull@kernel.org>
Suggested-by: Alan Tull <atull@kernel.org>
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
I already pulled the first fix, pull the GVT fixes.
- GVT fix for KBL vGPU hang to update virtual register from LRI.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180713070922.GA19840@intel.com
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into drm-fixes
Two armada fixes.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180713075427.GA16160@rmk-PC.armlinux.org.uk
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Fixes for v4.18-rc5:
- Single fix for a build error when the driver is builtin,
but the backend is a loadable module.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/9c596cf5-3f24-070e-74f2-c59bfbaf68fa@linux.intel.com
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git://anongit.freedesktop.org/tegra/linux into drm-fixes
drm/tegra: Fixes for v4.18-rc5
This contains a couple of one- or two-line fixes for various minor
issues in the Tegra driver.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180712070142.15571-1-thierry.reding@gmail.com
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into drm-fixes
A few display and GPUVM fixes for 4.18.
A few more fixes for 4.18. Two display fixes and a fix to avoid a segfault if
the GPU does not power up properly on resume. These are on top of my pull
from earlier this week.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180712043820.2877-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Fix hotplug irq ack on i965/g4x (Ville)
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180710213249.GA16479@intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
- A fix for OMAP5 and DRA7 to make the branch predictor hardening
settings take proper effect on secondary cores
- Disable USB OTG on am3517 since current driver isn't working
- Fix thermal sensor register settings on Armada 38x
- Fix suspend/resume IRQs on pxa3xx
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: dts: am3517.dtsi: Disable reference to OMAP3 OTG controller
ARM: DRA7/OMAP5: Enable ACTLR[0] (Enable invalidates of BTB) for secondary cores
ARM: pxa: irq: fix handling of ICMR registers in suspend/resume
ARM: dts: armada-38x: use the new thermal binding
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pvti_cpu0_va is the address of shared kvmclock data structure.
pvti_cpu0_va is currently kept unset (1) on 32 bit systems, (2) when
kvmclock vsyscall is disabled, and (3) if kvmclock is not stable.
This poses a problem, because kvm_ptp needs pvti_cpu0_va, but (1) can
work on 32 bit, (2) has little relation to the vsyscall, and (3) does
not need stable kvmclock (although kvmclock won't be used for system
clock if it's not stable, so kvm_ptp is pointless in that case).
Expose pvti_cpu0_va whenever kvmclock is enabled to allow all users to
work with it.
This fixes a regression found on Gentoo: https://bugs.gentoo.org/658544.
Fixes: 9f08890ab906 ("x86/pvclock: add setter for pvclock_pvti_cpu0_va")
Cc: stable@vger.kernel.org
Reported-by: Andreas Steinmetz <ast@domdv.de>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Prevent a config where KVM_AMD=y and CRYPTO_DEV_CCP_DD=m thereby ensuring
that AMD Secure Processor device driver will be built-in when KVM_AMD is
also built-in.
v1->v2:
* Removed usage of 'imply' Kconfig option.
* Change patch commit message.
Fixes: 505c9e94d832 ("KVM: x86: prefer "depends on" to "select" for SEV")
Cc: <stable@vger.kernel.org> # 4.16.x
Signed-off-by: Janakarajan Natarajan <Janakarajan.Natarajan@amd.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This exit qualification was inadvertently dropped when the two
VM-entry failure blocks were coalesced.
Fixes: e79f245ddec1 ("X86/KVM: Properly update 'tsc_offset' to represent the running guest")
Signed-off-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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When we switched from doing rdmsr() to reading FS/GS base values from
current->thread we completely forgot about legacy 32-bit userspaces which
we still support in KVM (why?). task->thread.{fsbase,gsbase} are only
synced for 64-bit processes, calling save_fsgs_for_kvm() and using
its result from current is illegal for legacy processes.
There's no ARCH_SET_FS/GS prctls for legacy applications. Base MSRs are,
however, not always equal to zero. Intel's manual says (3.4.4 Segment
Loading Instructions in IA-32e Mode):
"In order to set up compatibility mode for an application, segment-load
instructions (MOV to Sreg, POP Sreg) work normally in 64-bit mode. An
entry is read from the system descriptor table (GDT or LDT) and is loaded
in the hidden portion of the segment register.
...
The hidden descriptor register fields for FS.base and GS.base are
physically mapped to MSRs in order to load all address bits supported by
a 64-bit implementation.
"
The issue was found by strace test suite where 32-bit ioctl_kvm_run test
started segfaulting.
Reported-by: Dmitry V. Levin <ldv@altlinux.org>
Bisected-by: Masatake YAMATO <yamato@redhat.com>
Fixes: 42b933b59721 ("x86/kvm/vmx: read MSR_{FS,KERNEL_GS}_BASE from current->thread")
Cc: stable@vger.kernel.org
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This lets userspace read the MSR_IA32_ARCH_CAPABILITIES and check that all
requested features are available on the host.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC fixes from Alexandre Belloni:
"Two fixes for 4.18:
- an important core fix for RTCs using the core offsetting only one
driver is affected
- a fix for the error path of mrst"
* tag 'rtc-4.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
rtc: fix alarm read and set offset
rtc: mrst: fix error code in probe()
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Two omap fixes for v4.18-rc cycle
Turns out the recent patches for ARM branch predictor hardening are
not working on omap5 and dra7 as planned because the secondary CPU
is parked to the bootrom code. We can't configure it in the bootloader.
So we must enable invalidates of BTB for omap5 and dra7 secondary
core in the kernel.
And there's a fix for reserved register access for am3517. The
usb otg module on am3517 is not the same as for other omap3.
* tag 'omap-for-v4.18/fixes-rc4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: am3517.dtsi: Disable reference to OMAP3 OTG controller
ARM: DRA7/OMAP5: Enable ACTLR[0] (Enable invalidates of BTB) for secondary cores
Signed-off-by: Olof Johansson <olof@lixom.net>
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mvebu fixes for 4.18 (part 1)
Use the new thermal binding on Armada 38x allowing to use a driver fix
which is already part of the kernel.
* tag 'mvebu-fixes-4.18-1' of git://git.infradead.org/linux-mvebu:
ARM: dts: armada-38x: use the new thermal binding
Signed-off-by: Olof Johansson <olof@lixom.net>
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This is the fixes set for v4.18 cycle.
This is a fix for suspending all pxa3xx platforms, where high
number interrupts are not reenabled.
* tag 'pxa-fixes-4.18' of https://github.com/rjarzmik/linux:
ARM: pxa: irq: fix handling of ICMR registers in suspend/resume
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"Two related fixes for a boot failure of Xen PV guests"
* tag 'for-linus-4.18-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: setup pv irq ops vector earlier
xen: remove global bit from __default_kernel_pte_mask for pv guests
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Pull block fix from Jens Axboe:
"Just a single regression fix (from 4.17) for bsg, fixing an EINVAL
return on non-data commands"
* tag 'for-linus-20180713' of git://git.kernel.dk/linux-block:
bsg: fix bogus EINVAL on non-data commands
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Merge misc fixes from Andrew Morton:
"11 fixes"
* emailed patches form Andrew Morton <akpm@linux-foundation.org>:
reiserfs: fix buffer overflow with long warning messages
checkpatch: fix duplicate invalid vsprintf pointer extension '%p<foo>' messages
mm: do not bug_on on incorrect length in __mm_populate()
mm/memblock.c: do not complain about top-down allocations for !MEMORY_HOTREMOVE
fs, elf: make sure to page align bss in load_elf_library
x86/purgatory: add missing FORCE to Makefile target
net/9p/client.c: put refcount of trans_mod in error case in parse_opts()
mm: allow arch to supply p??_free_tlb functions
autofs: fix slab out of bounds read in getname_kernel()
fs/proc/task_mmu.c: fix Locked field in /proc/pid/smaps*
mm: do not drop unused pages when userfaultd is running
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ReiserFS prepares log messages into a 1024-byte buffer with no bounds
checks. Long messages, such as the "unknown mount option" warning when
userspace passes a crafted mount options string, overflow this buffer.
This causes KASAN to report a global-out-of-bounds write.
Fix it by truncating messages to the buffer size.
Link: http://lkml.kernel.org/r/20180707203621.30922-1-ebiggers3@gmail.com
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reported-by: syzbot+b890b3335a4d8c608963@syzkaller.appspotmail.com
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Multiline statements with invalid %p<foo> uses produce multiple
warnings. Fix that.
e.g.:
$ cat t_block.c
void foo(void)
{
MY_DEBUG(drv->foo,
"%pk",
foo->boo);
}
$ ./scripts/checkpatch.pl -f t_block.c
WARNING: Missing or malformed SPDX-License-Identifier tag in line 1
#1: FILE: t_block.c:1:
+void foo(void)
WARNING: Invalid vsprintf pointer extension '%pk'
#3: FILE: t_block.c:3:
+ MY_DEBUG(drv->foo,
+ "%pk",
+ foo->boo);
WARNING: Invalid vsprintf pointer extension '%pk'
#3: FILE: t_block.c:3:
+ MY_DEBUG(drv->foo,
+ "%pk",
+ foo->boo);
total: 0 errors, 3 warnings, 6 lines checked
NOTE: For some of the reported defects, checkpatch may be able to
mechanically convert to the typical style using --fix or --fix-inplace.
t_block.c has style problems, please review.
NOTE: If any of the errors are false positives, please report
them to the maintainer, see CHECKPATCH in MAINTAINERS.
Link: http://lkml.kernel.org/r/9e8341bbe4c9877d159cb512bb701043cbfbb10b.camel@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Cc: "Tobin C. Harding" <me@tobin.cc>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
syzbot has noticed that a specially crafted library can easily hit
VM_BUG_ON in __mm_populate
kernel BUG at mm/gup.c:1242!
invalid opcode: 0000 [#1] SMP
CPU: 2 PID: 9667 Comm: a.out Not tainted 4.18.0-rc3 #644
Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 05/19/2017
RIP: 0010:__mm_populate+0x1e2/0x1f0
Code: 55 d0 65 48 33 14 25 28 00 00 00 89 d8 75 21 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 75 18 f1 ff 0f 0b e8 6e 18 f1 ff <0f> 0b 31 db eb c9 e8 93 06 e0 ff 0f 1f 00 55 48 89 e5 53 48 89 fb
Call Trace:
vm_brk_flags+0xc3/0x100
vm_brk+0x1f/0x30
load_elf_library+0x281/0x2e0
__ia32_sys_uselib+0x170/0x1e0
do_fast_syscall_32+0xca/0x420
entry_SYSENTER_compat+0x70/0x7f
The reason is that the length of the new brk is not page aligned when we
try to populate the it. There is no reason to bug on that though.
do_brk_flags already aligns the length properly so the mapping is
expanded as it should. All we need is to tell mm_populate about it.
Besides that there is absolutely no reason to to bug_on in the first
place. The worst thing that could happen is that the last page wouldn't
get populated and that is far from putting system into an inconsistent
state.
Fix the issue by moving the length sanitization code from do_brk_flags
up to vm_brk_flags. The only other caller of do_brk_flags is brk
syscall entry and it makes sure to provide the proper length so t here
is no need for sanitation and so we can use do_brk_flags without it.
Also remove the bogus BUG_ONs.
[osalvador@techadventures.net: fix up vm_brk_flags s@request@len@]
Link: http://lkml.kernel.org/r/20180706090217.GI32658@dhcp22.suse.cz
Signed-off-by: Michal Hocko <mhocko@suse.com>
Reported-by: syzbot <syzbot+5dcb560fe12aa5091c06@syzkaller.appspotmail.com>
Tested-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: Zi Yan <zi.yan@cs.rutgers.edu>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
Mike Rapoport is converting architectures from bootmem to nobootmem
allocator. While doing so for m68k Geert has noticed that he gets a
scary looking warning:
WARNING: CPU: 0 PID: 0 at mm/memblock.c:230
memblock_find_in_range_node+0x11c/0x1be
memblock: bottom-up allocation failed, memory hotunplug may be affected
Modules linked in:
CPU: 0 PID: 0 Comm: swapper Not tainted
4.18.0-rc3-atari-01343-gf2fb5f2e09a97a3c-dirty #7
Call Trace: __warn+0xa8/0xc2
kernel_pg_dir+0x0/0x1000
netdev_lower_get_next+0x2/0x22
warn_slowpath_fmt+0x2e/0x36
memblock_find_in_range_node+0x11c/0x1be
memblock_find_in_range_node+0x11c/0x1be
memblock_find_in_range_node+0x0/0x1be
vprintk_func+0x66/0x6e
memblock_virt_alloc_internal+0xd0/0x156
netdev_lower_get_next+0x2/0x22
netdev_lower_get_next+0x2/0x22
kernel_pg_dir+0x0/0x1000
memblock_virt_alloc_try_nid_nopanic+0x58/0x7a
netdev_lower_get_next+0x2/0x22
kernel_pg_dir+0x0/0x1000
kernel_pg_dir+0x0/0x1000
EXPTBL+0x234/0x400
EXPTBL+0x234/0x400
alloc_node_mem_map+0x4a/0x66
netdev_lower_get_next+0x2/0x22
free_area_init_node+0xe2/0x29e
EXPTBL+0x234/0x400
paging_init+0x430/0x462
kernel_pg_dir+0x0/0x1000
printk+0x0/0x1a
EXPTBL+0x234/0x400
setup_arch+0x1b8/0x22c
start_kernel+0x4a/0x40a
_sinittext+0x344/0x9e8
The warning is basically saying that a top-down allocation can break
memory hotremove because memblock allocation is not movable. But m68k
doesn't even support MEMORY_HOTREMOVE so there is no point to warn about
it.
Make the warning conditional only to configurations that care.
Link: http://lkml.kernel.org/r/20180706061750.GH32658@dhcp22.suse.cz
Signed-off-by: Michal Hocko <mhocko@suse.com>
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Sam Creasey <sammy@sammy.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
The current code does not make sure to page align bss before calling
vm_brk(), and this can lead to a VM_BUG_ON() in __mm_populate() due to
the requested lenght not being correctly aligned.
Let us make sure to align it properly.
Kees: only applicable to CONFIG_USELIB kernels: 32-bit and configured
for libc5.
Link: http://lkml.kernel.org/r/20180705145539.9627-1-osalvador@techadventures.net
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Reported-by: syzbot+5dcb560fe12aa5091c06@syzkaller.appspotmail.com
Tested-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
- Build the kernel without the fix
- Add some flag to the purgatories KBUILD_CFLAGS,I used
-fno-asynchronous-unwind-tables
- Re-build the kernel
When you look at makes output you see that sha256.o is not re-build in the
last step. Also readelf -S still shows the .eh_frame section for
sha256.o.
With the fix sha256.o is rebuilt in the last step.
Without FORCE make does not detect changes only made to the command line
options. So object files might not be re-built even when they should be.
Fix this by adding FORCE where it is missing.
Link: http://lkml.kernel.org/r/20180704110044.29279-2-prudo@linux.ibm.com
Fixes: df6f2801f511 ("kernel/kexec_file.c: move purgatories sha256 to common code")
Signed-off-by: Philipp Rudo <prudo@linux.ibm.com>
Acked-by: Dave Young <dyoung@redhat.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: <stable@vger.kernel.org> [4.17+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
In my testing, the second mount will fail after umounting successfully.
The reason is that we put refcount of trans_mod in the correct case
rather than the error case in parse_opts() at last. That will cause the
refcount decrease to -1, and when we try to get trans_mod again in
try_module_get(), we could only increase refcount to 0 which will cause
failure as follows:
parse_opts
v9fs_get_trans_by_name
try_module_get : return NULL to caller which cause error
So we should put refcount of trans_mod in error case.
Link: http://lkml.kernel.org/r/5B3F39A0.2030509@huawei.com
Fixes: 9421c3e64137ec ("net/9p/client.c: fix potential refcnt problem of trans module")
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Yiwen Jiang <jiangyiwen@huawei.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Dominique Martinet <dominique.martinet@cea.fr>
Tested-by: Dominique Martinet <dominique.martinet@cea.fr>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
The mmu_gather APIs keep track of the invalidated address range
including the span covered by invalidated page table pages. Ranges
covered by page tables but not ptes (and therefore no TLBs) still need
to be invalidated because some architectures (x86) can cache
intermediate page table entries, and invalidate those with normal TLB
invalidation instructions to be almost-backward-compatible.
Architectures which don't cache intermediate page table entries, or
which invalidate these caches separately from TLB invalidation, do not
require TLB invalidation range expanded over page tables.
Allow architectures to supply their own p??_free_tlb functions, which
can avoid the __tlb_adjust_range.
Link: http://lkml.kernel.org/r/20180703013131.2807-1-npiggin@gmail.com
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: "Aneesh Kumar K. V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Nadav Amit <nadav.amit@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
The autofs subsystem does not check that the "path" parameter is present
for all cases where it is required when it is passed in via the "param"
struct.
In particular it isn't checked for the AUTOFS_DEV_IOCTL_OPENMOUNT_CMD
ioctl command.
To solve it, modify validate_dev_ioctl(function to check that a path has
been provided for ioctl commands that require it.
Link: http://lkml.kernel.org/r/153060031527.26631.18306637892746301555.stgit@pluto.themaw.net
Signed-off-by: Tomas Bortoli <tomasbortoli@gmail.com>
Signed-off-by: Ian Kent <raven@themaw.net>
Reported-by: syzbot+60c837b428dc84e83a93@syzkaller.appspotmail.com
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
Thomas reports:
"While looking around in /proc on my v4.14.52 system I noticed that all
processes got a lot of "Locked" memory in /proc/*/smaps. A lot more
memory than a regular user can usually lock with mlock().
Commit 493b0e9d945f (in v4.14-rc1) seems to have changed the behavior
of "Locked".
Before that commit the code was like this. Notice the VM_LOCKED check.
(vma->vm_flags & VM_LOCKED) ?
(unsigned long)(mss.pss >> (10 + PSS_SHIFT)) : 0);
After that commit Locked is now the same as Pss:
(unsigned long)(mss->pss >> (10 + PSS_SHIFT)));
This looks like a mistake."
Indeed, the commit has added mss->pss_locked with the correct value that
depends on VM_LOCKED, but forgot to actually use it. Fix it.
Link: http://lkml.kernel.org/r/ebf6c7fb-fec3-6a26-544f-710ed193c154@suse.cz
Fixes: 493b0e9d945f ("mm: add /proc/pid/smaps_rollup")
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Reported-by: Thomas Lindroth <thomas.lindroth@gmail.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Daniel Colascione <dancol@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
KVM guests on s390 can notify the host of unused pages. This can result
in pte_unused callbacks to be true for KVM guest memory.
If a page is unused (checked with pte_unused) we might drop this page
instead of paging it. This can have side-effects on userfaultd, when
the page in question was already migrated:
The next access of that page will trigger a fault and a user fault
instead of faulting in a new and empty zero page. As QEMU does not
expect a userfault on an already migrated page this migration will fail.
The most straightforward solution is to ignore the pte_unused hint if a
userfault context is active for this VMA.
Link: http://lkml.kernel.org/r/20180703171854.63981-1-borntraeger@de.ibm.com
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Janosch Frank <frankja@linux.ibm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Cornelia Huck <cohuck@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
We must zero struct pages for memory that is not backed by physical
memory, or kernel does not have access to.
Recently, there was a change which zeroed all memmap for all holes in
e820. Unfortunately, it introduced a bug that is discussed here:
https://www.spinics.net/lists/linux-mm/msg156764.html
Linus, also saw this bug on his machine, and confirmed that reverting
commit 124049decbb1 ("x86/e820: put !E820_TYPE_RAM regions into
memblock.reserved") fixes the issue.
The problem is that we incorrectly zero some struct pages after they
were setup.
The fix is to zero unavailable struct pages prior to initializing of
struct pages.
A more detailed fix should come later that would avoid double zeroing
cases: one in __init_single_page(), the other one in
zero_resv_unavail().
Fixes: 124049decbb1 ("x86/e820: put !E820_TYPE_RAM regions into memblock.reserved")
Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
platform_get_resource() may fail and return NULL, so we should
better check it's return value to avoid a NULL pointer dereference
a bit later in the code.
This is detected by Coccinelle semantic patch.
@@
expression pdev, res, n, t, e, e1, e2;
@@
res = platform_get_resource(pdev, t, n);
+ if (!res)
+ return -EINVAL;
... when != res == NULL
e = devm_ioremap_nocache(e1, res->start, e2);
Fixes: cc4fa83f66e9 ("pinctrl: nsp: add pinmux driver support for Broadcom NSP SoC")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
|
|
The > comparisons should be >= or else we read beyond the end of the
pinctrl->functions[] array.
Fixes: cc4fa83f66e9 ("pinctrl: nsp: add pinmux driver support for Broadcom NSP SoC")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
|
|
The datasheet does not document any registers to control drive strength,
and no drive strength registers are for this reason described for this
SoC. The flags indicating that drive strength can be controlled are
however set for some pins in the driver.
This leads to a NULL pointer dereference when the sh-pfc core tries to
access the struct describing the drive strength registers, for example
when reading the sysfs file pinconf-pins.
Fix this by removing the SH_PFC_PIN_CFG_DRIVE_STRENGTH from all pins.
Fixes: b92ac66a1819602b ("pinctrl: sh-pfc: Add R8A77970 PFC support")
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
|
|
The .gpio_set_direction() callback was setting inverted direction
for SoCs older than the JZ4770, this restores the correct behaviour.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
|
|
When we are explicitly using GPIO hogging mechanism in the pinctrl node,
such as:
&pio {
line_input {
gpio-hog;
gpios = <95 0>, <96 0>, <97 0>;
input;
};
};
A kernel panic happens at dereferencing a NULL pointer: In this case, the
drvdata is still not setup properly yet when it is being accessed.
A better solution for fixing up this issue should be we should obtain the
private data from struct gpio_chip using a specific gpiochip_get_data
instead of a generic dev_get_drvdata.
[ 0.249424] Unable to handle kernel NULL pointer dereference at virtual
address 000000c8
[ 0.257818] Mem abort info:
[ 0.260704] ESR = 0x96000005
[ 0.263869] Exception class = DABT (current EL), IL = 32 bits
[ 0.270011] SET = 0, FnV = 0
[ 0.273167] EA = 0, S1PTW = 0
[ 0.276421] Data abort info:
[ 0.279398] ISV = 0, ISS = 0x00000005
[ 0.283372] CM = 0, WnR = 0
[ 0.286440] [00000000000000c8] user address but active_mm is swapper
[ 0.293027] Internal error: Oops: 96000005 [#1] PREEMPT SMP
[ 0.298795] Modules linked in:
[ 0.301958] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.16.0-rc1+ #389
[ 0.308716] Hardware name: MediaTek MT7622 RFB1 board (DT)
[ 0.314396] pstate: 80000005 (Nzcv daif -PAN -UAO)
[ 0.319362] pc : mtk_hw_pin_field_get+0x28/0x118
[ 0.324140] lr : mtk_hw_set_value+0x30/0x104
[ 0.328557] sp : ffffff800801b6d0
[ 0.331983] x29: ffffff800801b6d0 x28: ffffff80086b7970
[ 0.337484] x27: 0000000000000000 x26: ffffff80087b8000
[ 0.342986] x25: 0000000000000000 x24: ffffffc00324c230
[ 0.348487] x23: 0000000000000003 x22: 0000000000000000
[ 0.353988] x21: ffffff80087b8000 x20: 0000000000000000
[ 0.359489] x19: 0000000000000054 x18: 00000000fffff7c0
[ 0.364990] x17: 0000000000006300 x16: 000000000000003f
[ 0.370492] x15: 000000000000000e x14: ffffffffffffffff
[ 0.375993] x13: 0000000000000000 x12: 0000000000000020
[ 0.381494] x11: 0000000000000006 x10: 0101010101010101
[ 0.386995] x9 : fffffffffffffffa x8 : 0000000000000007
[ 0.392496] x7 : ffffff80085d63f8 x6 : 0000000000000003
[ 0.397997] x5 : 0000000000000054 x4 : ffffffc0031eb800
[ 0.403499] x3 : ffffff800801b728 x2 : 0000000000000003
[ 0.409000] x1 : 0000000000000054 x0 : 0000000000000000
[ 0.414502] Process swapper/0 (pid: 1, stack limit = 0x000000002a913c1c)
[ 0.421441] Call trace:
[ 0.423968] mtk_hw_pin_field_get+0x28/0x118
[ 0.428387] mtk_hw_set_value+0x30/0x104
[ 0.432445] mtk_gpio_set+0x20/0x28
[ 0.436052] mtk_gpio_direction_output+0x18/0x30
[ 0.440833] gpiod_direction_output_raw_commit+0x7c/0xa0
[ 0.446333] gpiod_direction_output+0x104/0x114
[ 0.451022] gpiod_configure_flags+0xbc/0xfc
[ 0.455441] gpiod_hog+0x8c/0x140
[ 0.458869] of_gpiochip_add+0x27c/0x2d4
[ 0.462928] gpiochip_add_data_with_key+0x338/0x5f0
[ 0.467976] mtk_pinctrl_probe+0x388/0x400
[ 0.472217] platform_drv_probe+0x58/0xa4
[ 0.476365] driver_probe_device+0x204/0x44c
[ 0.480783] __device_attach_driver+0xac/0x108
[ 0.485384] bus_for_each_drv+0x7c/0xac
[ 0.489352] __device_attach+0xa0/0x144
[ 0.493320] device_initial_probe+0x10/0x18
[ 0.497647] bus_probe_device+0x2c/0x8c
[ 0.501616] device_add+0x2f8/0x540
[ 0.505226] of_device_add+0x3c/0x44
[ 0.508925] of_platform_device_create_pdata+0x80/0xb8
[ 0.514245] of_platform_bus_create+0x290/0x3e8
[ 0.518933] of_platform_populate+0x78/0x100
[ 0.523352] of_platform_default_populate+0x24/0x2c
[ 0.528403] of_platform_default_populate_init+0x94/0xa4
[ 0.533903] do_one_initcall+0x98/0x130
[ 0.537874] kernel_init_freeable+0x13c/0x1d4
[ 0.542385] kernel_init+0x10/0xf8
[ 0.545903] ret_from_fork+0x10/0x18
[ 0.549603] Code: 900020a1 f9400800 911dcc21 1400001f (f9406401)
[ 0.555916] ---[ end trace de8c34787fdad3b3 ]---
[ 0.560722] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x0000000b
[ 0.560722]
[ 0.570188] SMP: stopping secondary CPUs
[ 0.574253] ---[ end Kernel panic - not syncing: Attempted to kill
init! exitcode=0x0000000b
[ 0.574253]
Cc: stable@vger.kernel.org
Fixes: d6ed93551320 ("pinctrl: mediatek: add pinctrl driver for MT7622 SoC")
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
|
