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2020-07-09ASoC: rt286: fix unexpected interrupt happensShuming Fan
The HV/VREF should not turn off if the headphone jack plug-in. This patch could solve the unexpected interrupt issue in some devices. Signed-off-by: Shuming Fan <shumingf@realtek.com> Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20200709101345.11449-1-shumingf@realtek.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-07-09ASoC: wm8974: remove unsupported clock modePuyou Lu
In DSP_A mode, BIT7 of IFACE should bit 0 according to datasheet (ie. inverted frame clock is not support in this mode). Signed-off-by: Puyou Lu <puyou.lu@gmail.com> Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/1593657056-4989-1-git-send-email-puyou.lu@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-07-09ASoC: wm8974: fix Boost Mixer Aux SwitchPuyou Lu
Clear BIT6 of INPPGA means not muted (Switch On). Signed-off-by: Puyou Lu <puyou.lu@gmail.com> Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/1593657025-4903-1-git-send-email-puyou.lu@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-07-09drm/amdgpu: don't do soft recovery if gpu_recovery=0Marek Olšák
It's impossible to debug shader hangs with soft recovery. Signed-off-by: Marek Olšák <marek.olsak@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2020-07-09drm/radeon: fix double freeTom Rix
clang static analysis flags this error drivers/gpu/drm/radeon/ci_dpm.c:5652:9: warning: Use of memory after it is freed [unix.Malloc] kfree(rdev->pm.dpm.ps[i].ps_priv); ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/radeon/ci_dpm.c:5654:2: warning: Attempt to free released memory [unix.Malloc] kfree(rdev->pm.dpm.ps); ^~~~~~~~~~~~~~~~~~~~~~ problem is reported in ci_dpm_fini, with these code blocks. for (i = 0; i < rdev->pm.dpm.num_ps; i++) { kfree(rdev->pm.dpm.ps[i].ps_priv); } kfree(rdev->pm.dpm.ps); The first free happens in ci_parse_power_table where it cleans up locally on a failure. ci_dpm_fini also does a cleanup. ret = ci_parse_power_table(rdev); if (ret) { ci_dpm_fini(rdev); return ret; } So remove the cleanup in ci_parse_power_table and move the num_ps calculation to inside the loop so ci_dpm_fini will know how many array elements to free. Fixes: cc8dbbb4f62a ("drm/radeon: add dpm support for CI dGPUs (v2)") Signed-off-by: Tom Rix <trix@redhat.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2020-07-09drm/amd/display: add dmcub check on RENOIRAaron Ma
RENOIR loads dmub fw not dmcu, check dmcu only will prevent loading iram, it breaks backlight control. Bug: https://bugzilla.kernel.org/show_bug.cgi?id=208277 Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Signed-off-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2020-07-09drm/amdgpu: add TMR destory function for pspHuang Rui
TMR is required to be destoried with GFX_CMD_ID_DESTROY_TMR while the system goes to suspend. Otherwise, PSP may return the failure state (0xFFFF007) on Gfx-2-PSP command GFX_CMD_ID_SETUP_TMR after do multiple times suspend/resume. Signed-off-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2020-07-09drm/amdgpu: asd function needs to be unloaded in suspend phaseHuang Rui
Unload ASD function in suspend phase. Signed-off-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2020-07-09btrfs: wire up iter_file_splice_writeChristoph Hellwig
btrfs implements the iter_write op and thus can use the more efficient iov_iter based splice implementation. For now falling back to the less efficient default is pretty harmless, but I have a pending series that removes the default, and thus would cause btrfs to not support splice at all. Reported-by: Andy Lavr <andy.lavr@gmail.com> Tested-by: Andy Lavr <andy.lavr@gmail.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2020-07-09btrfs: fix double put of block group with nocowJosef Bacik
While debugging a patch that I wrote I was hitting use-after-free panics when accessing block groups on unmount. This turned out to be because in the nocow case if we bail out of doing the nocow for whatever reason we need to call btrfs_dec_nocow_writers() if we called the inc. This puts our block group, but a few error cases does if (nocow) { btrfs_dec_nocow_writers(); goto error; } unfortunately, error is error: if (nocow) btrfs_dec_nocow_writers(); so we get a double put on our block group. Fix this by dropping the error cases calling of btrfs_dec_nocow_writers(), as it's handled at the error label now. Fixes: 762bf09893b4 ("btrfs: improve error handling in run_delalloc_nocow") CC: stable@vger.kernel.org # 5.4+ Reviewed-by: Filipe Manana <fdmanana@suse.com> Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2020-07-09iommu/arm-smmu: Mark qcom_smmu_client_of_match as possibly unusedJordan Crouse
When CONFIG_OF=n of_match_device() gets pre-processed out of existence leaving qcom-smmu_client_of_match unused. Mark it as possibly unused to keep the compiler from warning in that case. Fixes: 0e764a01015d ("iommu/arm-smmu: Allow client devices to select direct mapping") Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org> Acked-by: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/20200604203905.31964-1-jcrouse@codeaurora.org Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-07-09iommu: Fix use-after-free in iommu_release_deviceQian Cai
In pci_disable_sriov(), i.e., # echo 0 > /sys/class/net/enp11s0f1np1/device/sriov_numvfs iommu_release_device iommu_group_remove_device arm_smmu_domain_free kfree(smmu_domain) Later, iommu_release_device arm_smmu_release_device arm_smmu_detach_dev spin_lock_irqsave(&smmu_domain->devices_lock, would trigger an use-after-free. Fixed it by call arm_smmu_release_device() first before iommu_group_remove_device(). BUG: KASAN: use-after-free in __lock_acquire+0x3458/0x4440 __lock_acquire at kernel/locking/lockdep.c:4250 Read of size 8 at addr ffff0089df1a6f68 by task bash/3356 CPU: 5 PID: 3356 Comm: bash Not tainted 5.8.0-rc3-next-20200630 #2 Hardware name: HPE Apollo 70 /C01_APACHE_MB , BIOS L50_5.13_1.11 06/18/2019 Call trace: dump_backtrace+0x0/0x398 show_stack+0x14/0x20 dump_stack+0x140/0x1b8 print_address_description.isra.12+0x54/0x4a8 kasan_report+0x134/0x1b8 __asan_report_load8_noabort+0x2c/0x50 __lock_acquire+0x3458/0x4440 lock_acquire+0x204/0xf10 _raw_spin_lock_irqsave+0xf8/0x180 arm_smmu_detach_dev+0xd8/0x4a0 arm_smmu_detach_dev at drivers/iommu/arm-smmu-v3.c:2776 arm_smmu_release_device+0xb4/0x1c8 arm_smmu_disable_pasid at drivers/iommu/arm-smmu-v3.c:2754 (inlined by) arm_smmu_release_device at drivers/iommu/arm-smmu-v3.c:3000 iommu_release_device+0xc0/0x178 iommu_release_device at drivers/iommu/iommu.c:302 iommu_bus_notifier+0x118/0x160 notifier_call_chain+0xa4/0x128 __blocking_notifier_call_chain+0x70/0xa8 blocking_notifier_call_chain+0x14/0x20 device_del+0x618/0xa00 pci_remove_bus_device+0x108/0x2d8 pci_stop_and_remove_bus_device+0x1c/0x28 pci_iov_remove_virtfn+0x228/0x368 sriov_disable+0x8c/0x348 pci_disable_sriov+0x5c/0x70 mlx5_core_sriov_configure+0xd8/0x260 [mlx5_core] sriov_numvfs_store+0x240/0x318 dev_attr_store+0x38/0x68 sysfs_kf_write+0xdc/0x128 kernfs_fop_write+0x23c/0x448 __vfs_write+0x54/0xe8 vfs_write+0x124/0x3f0 ksys_write+0xe8/0x1b8 __arm64_sys_write+0x68/0x98 do_el0_svc+0x124/0x220 el0_sync_handler+0x260/0x408 el0_sync+0x140/0x180 Allocated by task 3356: save_stack+0x24/0x50 __kasan_kmalloc.isra.13+0xc4/0xe0 kasan_kmalloc+0xc/0x18 kmem_cache_alloc_trace+0x1ec/0x318 arm_smmu_domain_alloc+0x54/0x148 iommu_group_alloc_default_domain+0xc0/0x440 iommu_probe_device+0x1c0/0x308 iort_iommu_configure+0x434/0x518 acpi_dma_configure+0xf0/0x128 pci_dma_configure+0x114/0x160 really_probe+0x124/0x6d8 driver_probe_device+0xc4/0x180 __device_attach_driver+0x184/0x1e8 bus_for_each_drv+0x114/0x1a0 __device_attach+0x19c/0x2a8 device_attach+0x10/0x18 pci_bus_add_device+0x70/0xf8 pci_iov_add_virtfn+0x7b4/0xb40 sriov_enable+0x5c8/0xc30 pci_enable_sriov+0x64/0x80 mlx5_core_sriov_configure+0x58/0x260 [mlx5_core] sriov_numvfs_store+0x1c0/0x318 dev_attr_store+0x38/0x68 sysfs_kf_write+0xdc/0x128 kernfs_fop_write+0x23c/0x448 __vfs_write+0x54/0xe8 vfs_write+0x124/0x3f0 ksys_write+0xe8/0x1b8 __arm64_sys_write+0x68/0x98 do_el0_svc+0x124/0x220 el0_sync_handler+0x260/0x408 el0_sync+0x140/0x180 Freed by task 3356: save_stack+0x24/0x50 __kasan_slab_free+0x124/0x198 kasan_slab_free+0x10/0x18 slab_free_freelist_hook+0x110/0x298 kfree+0x128/0x668 arm_smmu_domain_free+0xf4/0x1a0 iommu_group_release+0xec/0x160 kobject_put+0xf4/0x238 kobject_del+0x110/0x190 kobject_put+0x1e4/0x238 iommu_group_remove_device+0x394/0x938 iommu_release_device+0x9c/0x178 iommu_release_device at drivers/iommu/iommu.c:300 iommu_bus_notifier+0x118/0x160 notifier_call_chain+0xa4/0x128 __blocking_notifier_call_chain+0x70/0xa8 blocking_notifier_call_chain+0x14/0x20 device_del+0x618/0xa00 pci_remove_bus_device+0x108/0x2d8 pci_stop_and_remove_bus_device+0x1c/0x28 pci_iov_remove_virtfn+0x228/0x368 sriov_disable+0x8c/0x348 pci_disable_sriov+0x5c/0x70 mlx5_core_sriov_configure+0xd8/0x260 [mlx5_core] sriov_numvfs_store+0x240/0x318 dev_attr_store+0x38/0x68 sysfs_kf_write+0xdc/0x128 kernfs_fop_write+0x23c/0x448 __vfs_write+0x54/0xe8 vfs_write+0x124/0x3f0 ksys_write+0xe8/0x1b8 __arm64_sys_write+0x68/0x98 do_el0_svc+0x124/0x220 el0_sync_handler+0x260/0x408 el0_sync+0x140/0x180 The buggy address belongs to the object at ffff0089df1a6e00 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 360 bytes inside of 512-byte region [ffff0089df1a6e00, ffff0089df1a7000) The buggy address belongs to the page: page:ffffffe02257c680 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff0089df1a1400 flags: 0x7ffff800000200(slab) raw: 007ffff800000200 ffffffe02246b8c8 ffffffe02257ff88 ffff000000320680 raw: ffff0089df1a1400 00000000002a000e 00000001ffffffff ffff0089df1a5001 page dumped because: kasan: bad access detected page->mem_cgroup:ffff0089df1a5001 Memory state around the buggy address: ffff0089df1a6e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff0089df1a6e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff0089df1a6f00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff0089df1a6f80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff0089df1a7000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc Fixes: a6a4c7e2c5b8 ("iommu: Add probe_device() and release_device() call-backs") Signed-off-by: Qian Cai <cai@lca.pw> Link: https://lore.kernel.org/r/20200704001003.2303-1-cai@lca.pw Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-07-09cifs: update internal module version numberSteve French
To 2.28 Signed-off-by: Steve French <stfrench@microsoft.com>
2020-07-09cifs: fix reference leak for tlinkRonnie Sahlberg
Don't leak a reference to tlink during the NOTIFY ioctl Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Aurelien Aptel <aaptel@suse.com> CC: Stable <stable@vger.kernel.org> # v5.6+
2020-07-09hwmon: (adm1275) Make sure we are reading enough data for different chipsChu Lin
Issue: When PEC is enabled, binding adm1272 to the adm1275 would fail due to PEC error. See below: adm1275: probe of xxxx failed with error -74 Diagnosis: Per the datasheet of adm1272, adm1278, adm1293 and amd1294, PMON_CONFIG (0xd4) is 16bits wide. On the other hand, PMON_CONFIG (0xd4) for adm1275 is 8bits wide. The driver should not assume everything is 8bits wide and read only 8bits from it. Solution: If it is adm1272, adm1278, adm1293 and adm1294, use i2c_read_word. Else, use i2c_read_byte Testing: Binding adm1272 to the driver. The change is only tested on adm1272. Signed-off-by: Chu Lin <linchuyuan@google.com> Link: https://lore.kernel.org/r/20200709040612.3977094-1-linchuyuan@google.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-07-09arm64/alternatives: don't patch up internal branchesArd Biesheuvel
Commit f7b93d42945c ("arm64/alternatives: use subsections for replacement sequences") moved the alternatives replacement sequences into subsections, in order to keep the as close as possible to the code that they replace. Unfortunately, this broke the logic in branch_insn_requires_update, which assumed that any branch into kernel executable code was a branch that required updating, which is no longer the case now that the code sequences that are patched in are in the same section as the patch site itself. So the only way to discriminate branches that require updating and ones that don't is to check whether the branch targets the replacement sequence itself, and so we can drop the call to kernel_text_address() entirely. Fixes: f7b93d42945c ("arm64/alternatives: use subsections for replacement sequences") Reported-by: Alexandru Elisei <alexandru.elisei@arm.com> Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Tested-by: Alexandru Elisei <alexandru.elisei@arm.com> Link: https://lore.kernel.org/r/20200709125953.30918-1-ardb@kernel.org Signed-off-by: Will Deacon <will@kernel.org>
2020-07-09s390/mm: fix huge pte soft dirty copyingJanosch Frank
If the pmd is soft dirty we must mark the pte as soft dirty (and not dirty). This fixes some cases for guest migration with huge page backings. Cc: <stable@vger.kernel.org> # 4.8 Fixes: bc29b7ac1d9f ("s390/mm: clean up pte/pmd encoding") Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Janosch Frank <frankja@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2020-07-09timer: Prevent base->clk from moving backwardFrederic Weisbecker
When a timer is enqueued with a negative delta (ie: expiry is below base->clk), it gets added to the wheel as expiring now (base->clk). Yet the value that gets stored in base->next_expiry, while calling trigger_dyntick_cpu(), is the initial timer->expires value. The resulting state becomes: base->next_expiry < base->clk On the next timer enqueue, forward_timer_base() may accidentally rewind base->clk. As a possible outcome, timers may expire way too early, the worst case being that the highest wheel levels get spuriously processed again. To prevent from that, make sure that base->next_expiry doesn't get below base->clk. Fixes: a683f390b93f ("timers: Forward the wheel clock whenever possible") Signed-off-by: Frederic Weisbecker <frederic@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Anna-Maria Behnsen <anna-maria@linutronix.de> Tested-by: Juri Lelli <juri.lelli@redhat.com> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20200703010657.2302-1-frederic@kernel.org
2020-07-09x86/entry/common: Make prepare_exit_to_usermode() staticThomas Gleixner
No users outside this file anymore. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Andy Lutomirski <luto@kernel.org> Link: https://lkml.kernel.org/r/20200708192934.301116609@linutronix.de
2020-07-09x86/entry: Mark check_user_regs() noinstrThomas Gleixner
It's called from the non-instrumentable section. Fixes: c9c26150e61d ("x86/entry: Assert that syscalls are on the right stack") Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Andy Lutomirski <luto@kernel.org> Link: https://lkml.kernel.org/r/20200708192934.191497962@linutronix.de
2020-07-09x86/traps: Disable interrupts in exc_aligment_check()Thomas Gleixner
exc_alignment_check() fails to disable interrupts before returning to the entry code. Fixes: ca4c6a9858c2 ("x86/traps: Make interrupt enable/disable symmetric in C code") Reported-by: syzbot+0889df9502bc0f112b31@syzkaller.appspotmail.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Andy Lutomirski <luto@kernel.org> Link: https://lkml.kernel.org/r/20200708192934.076519438@linutronix.de
2020-07-09arm64: Add missing sentinel to erratum_1463225Florian Fainelli
When the erratum_1463225 array was introduced a sentinel at the end was missing thus causing a KASAN: global-out-of-bounds in is_affected_midr_range_list on arm64 error. Fixes: a9e821b89daa ("arm64: Add KRYO4XX gold CPU cores to erratum list 1463225 and 1418040") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> Link: https://lore.kernel.org/linux-arm-kernel/CA+G9fYs3EavpU89-rTQfqQ9GgxAMgMAk7jiiVrfP0yxj5s+Q6g@mail.gmail.com/ Link: https://lore.kernel.org/r/20200709051345.14544-1-f.fainelli@gmail.com Signed-off-by: Will Deacon <will@kernel.org>
2020-07-09usb: gadget: function: fix missing spinlock in f_uac1_legacyZhang Qiang
Add a missing spinlock protection for play_queue, because the play_queue may be destroyed when the "playback_work" work func and "f_audio_out_ep_complete" callback func operate this paly_queue at the same time. Fixes: c6994e6f067cf ("USB: gadget: add USB Audio Gadget driver") Cc: stable <stable@vger.kernel.org> Signed-off-by: Zhang Qiang <qiang.zhang@windriver.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-07-09usb: gadget: udc: atmel: fix uninitialized read in debug printkMichał Mirosław
Fixed commit moved the assignment of 'req', but did not update a reference in the DBG() call. Use the argument as it was renamed. Fixes: 5fb694f96e7c ("usb: gadget: udc: atmel: fix possible oops when unloading module") Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-07-09usb: gadget: udc: atmel: remove outdated comment in usba_ep_disable()Michał Mirosław
Fixed commit removed the offending behaviour from the driver, but missed the comment and associated test. Remove them now. Fixes: 38e58986e6fc ("usb: gadget: udc: atmel: don't disable enpdoints we don't own") Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-07-09usb: dwc2: Fix shutdown callback in platformMinas Harutyunyan
To avoid lot of interrupts from dwc2 core, which can be asserted in specific conditions need to disable interrupts on HW level instead of disable IRQs on Kernel level, because of IRQ can be shared between drivers. Cc: stable@vger.kernel.org Fixes: a40a00318c7fc ("usb: dwc2: add shutdown callback to platform variant") Tested-by: Frank Mori Hess <fmh6jj@gmail.com> Reviewed-by: Alan Stern <stern@rowland.harvard.edu> Reviewed-by: Doug Anderson <dianders@chromium.org> Reviewed-by: Frank Mori Hess <fmh6jj@gmail.com> Signed-off-by: Minas Harutyunyan <hminas@synopsys.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-07-09usb: cdns3: trace: fix some endian issuesPeter Chen
It is found by sparse. Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-07-09usb: cdns3: ep0: fix some endian issuesPeter Chen
It is found by sparse. Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-07-09usb: gadget: udc: gr_udc: fix memleak on error handling path in gr_ep_init()Evgeny Novikov
gr_ep_init() does not assign the allocated request anywhere if allocation of memory for the buffer fails. This is a memory leak fixed by the given patch. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Evgeny Novikov <novikov@ispras.ru> Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-07-09usb: gadget: fix langid kernel-doc warning in usbstring.cRandy Dunlap
Fix spelling of the 'langid' function argument in the kernel-doc notation to quieten a kernel-doc warning. ../drivers/usb/gadget/usbstring.c:77: warning: Function parameter or member 'langid' not described in 'usb_validate_langid' ../drivers/usb/gadget/usbstring.c:77: warning: Excess function parameter 'lang' description in 'usb_validate_langid' Fixes: 17309a6a4356 ("usb: gadget: add "usb_validate_langid" function") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Tao Ren <rentao.bupt@gmail.com> Cc: Tao Ren <rentao.bupt@gmail.com> Cc: Felipe Balbi <balbi@kernel.org> Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-07-09usb: dwc3: pci: add support for the Intel Jasper LakeHeikki Krogerus
This patch adds the necessary PCI ID for Intel Jasper Lake devices. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-07-09usb: dwc3: pci: add support for the Intel Tiger Lake PCH -H variantHeikki Krogerus
This patch adds the necessary PCI ID for TGP-H devices. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-07-09drm/aspeed: Call drm_fbdev_generic_setup after drm_dev_registerGuenter Roeck
The following backtrace is seen when running aspeed G5 kernels. WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/drm_fb_helper.c:2233 drm_fbdev_generic_setup+0x138/0x198 aspeed_gfx 1e6e6000.display: Device has not been registered. CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.8.0-rc3 #1 Hardware name: Generic DT based system Backtrace: [<8010d6d0>] (dump_backtrace) from [<8010d9b8>] (show_stack+0x20/0x24) r7:00000009 r6:60000153 r5:00000000 r4:8119fa94 [<8010d998>] (show_stack) from [<80b8cb98>] (dump_stack+0xcc/0xec) [<80b8cacc>] (dump_stack) from [<80123ef0>] (__warn+0xd8/0xfc) r7:00000009 r6:80e62ed0 r5:00000000 r4:974c3ccc [<80123e18>] (__warn) from [<80123f98>] (warn_slowpath_fmt+0x84/0xc4) r9:00000009 r8:806a0140 r7:000008b9 r6:80e62ed0 r5:80e631f8 r4:974c2000 [<80123f18>] (warn_slowpath_fmt) from [<806a0140>] (drm_fbdev_generic_setup+0x138/0x198) r9:00000001 r8:9758fc10 r7:9758fc00 r6:00000000 r5:00000020 r4:9768a000 [<806a0008>] (drm_fbdev_generic_setup) from [<806d4558>] (aspeed_gfx_probe+0x204/0x32c) r7:9758fc00 r6:00000000 r5:00000000 r4:9768a000 [<806d4354>] (aspeed_gfx_probe) from [<806dfca0>] (platform_drv_probe+0x58/0xa8) Since commit 1aed9509b29a6 ("drm/fb-helper: Remove return value from drm_fbdev_generic_setup()"), drm_fbdev_generic_setup() must be called after drm_dev_register() to avoid the warning. Do that. Fixes: 1aed9509b29a6 ("drm/fb-helper: Remove return value from drm_fbdev_generic_setup()") Signed-off-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20200701001002.74997-1-linux@roeck-us.net
2020-07-08Input: elan_i2c - add more hardware ID for Lenovo laptopsDave Wang
This adds more hardware IDs for Elan touchpads found in various Lenovo laptops. Signed-off-by: Dave Wang <dave.wang@emc.com.tw> Link: https://lore.kernel.org/r/000201d5a8bd$9fead3f0$dfc07bd0$@emc.com.tw Cc: stable@vger.kernel.org Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2020-07-08io_uring: fix memleak in __io_sqe_files_update()Yang Yingliang
I got a memleak report when doing some fuzz test: BUG: memory leak unreferenced object 0xffff888113e02300 (size 488): comm "syz-executor401", pid 356, jiffies 4294809529 (age 11.954s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ a0 a4 ce 19 81 88 ff ff 60 ce 09 0d 81 88 ff ff ........`....... backtrace: [<00000000129a84ec>] kmem_cache_zalloc include/linux/slab.h:659 [inline] [<00000000129a84ec>] __alloc_file+0x25/0x310 fs/file_table.c:101 [<000000003050ad84>] alloc_empty_file+0x4f/0x120 fs/file_table.c:151 [<000000004d0a41a3>] alloc_file+0x5e/0x550 fs/file_table.c:193 [<000000002cb242f0>] alloc_file_pseudo+0x16a/0x240 fs/file_table.c:233 [<00000000046a4baa>] anon_inode_getfile fs/anon_inodes.c:91 [inline] [<00000000046a4baa>] anon_inode_getfile+0xac/0x1c0 fs/anon_inodes.c:74 [<0000000035beb745>] __do_sys_perf_event_open+0xd4a/0x2680 kernel/events/core.c:11720 [<0000000049009dc7>] do_syscall_64+0x56/0xa0 arch/x86/entry/common.c:359 [<00000000353731ca>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881152dd5e0 (size 16): comm "syz-executor401", pid 356, jiffies 4294809529 (age 11.954s) hex dump (first 16 bytes): 01 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000074caa794>] kmem_cache_zalloc include/linux/slab.h:659 [inline] [<0000000074caa794>] lsm_file_alloc security/security.c:567 [inline] [<0000000074caa794>] security_file_alloc+0x32/0x160 security/security.c:1440 [<00000000c6745ea3>] __alloc_file+0xba/0x310 fs/file_table.c:106 [<000000003050ad84>] alloc_empty_file+0x4f/0x120 fs/file_table.c:151 [<000000004d0a41a3>] alloc_file+0x5e/0x550 fs/file_table.c:193 [<000000002cb242f0>] alloc_file_pseudo+0x16a/0x240 fs/file_table.c:233 [<00000000046a4baa>] anon_inode_getfile fs/anon_inodes.c:91 [inline] [<00000000046a4baa>] anon_inode_getfile+0xac/0x1c0 fs/anon_inodes.c:74 [<0000000035beb745>] __do_sys_perf_event_open+0xd4a/0x2680 kernel/events/core.c:11720 [<0000000049009dc7>] do_syscall_64+0x56/0xa0 arch/x86/entry/common.c:359 [<00000000353731ca>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 If io_sqe_file_register() failed, we need put the file that get by fget() to avoid the memleak. Fixes: c3a31e605620 ("io_uring: add support for IORING_REGISTER_FILES_UPDATE") Cc: stable@vger.kernel.org Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-07-08io_uring: export cq overflow status to userspaceXiaoguang Wang
For those applications which are not willing to use io_uring_enter() to reap and handle cqes, they may completely rely on liburing's io_uring_peek_cqe(), but if cq ring has overflowed, currently because io_uring_peek_cqe() is not aware of this overflow, it won't enter kernel to flush cqes, below test program can reveal this bug: static void test_cq_overflow(struct io_uring *ring) { struct io_uring_cqe *cqe; struct io_uring_sqe *sqe; int issued = 0; int ret = 0; do { sqe = io_uring_get_sqe(ring); if (!sqe) { fprintf(stderr, "get sqe failed\n"); break;; } ret = io_uring_submit(ring); if (ret <= 0) { if (ret != -EBUSY) fprintf(stderr, "sqe submit failed: %d\n", ret); break; } issued++; } while (ret > 0); assert(ret == -EBUSY); printf("issued requests: %d\n", issued); while (issued) { ret = io_uring_peek_cqe(ring, &cqe); if (ret) { if (ret != -EAGAIN) { fprintf(stderr, "peek completion failed: %s\n", strerror(ret)); break; } printf("left requets: %d\n", issued); continue; } io_uring_cqe_seen(ring, cqe); issued--; printf("left requets: %d\n", issued); } } int main(int argc, char *argv[]) { int ret; struct io_uring ring; ret = io_uring_queue_init(16, &ring, 0); if (ret) { fprintf(stderr, "ring setup failed: %d\n", ret); return 1; } test_cq_overflow(&ring); return 0; } To fix this issue, export cq overflow status to userspace by adding new IORING_SQ_CQ_OVERFLOW flag, then helper functions() in liburing, such as io_uring_peek_cqe, can be aware of this cq overflow and do flush accordingly. Signed-off-by: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-07-08libnvdimm/security: Fix key lookup permissionsDan Williams
As of commit 8c0637e950d6 ("keys: Make the KEY_NEED_* perms an enum rather than a mask") lookup_user_key() needs an explicit declaration of what it wants to do with the key. Add KEY_NEED_SEARCH to fix a warning with the below signature, and fixes the inability to retrieve a key. WARNING: CPU: 15 PID: 6276 at security/keys/permission.c:35 key_task_permission+0xd3/0x140 [..] RIP: 0010:key_task_permission+0xd3/0x140 [..] Call Trace: lookup_user_key+0xeb/0x6b0 ? vsscanf+0x3df/0x840 ? key_validate+0x50/0x50 ? key_default_cmp+0x20/0x20 nvdimm_get_user_key_payload.part.0+0x21/0x110 [libnvdimm] nvdimm_security_store+0x67d/0xb20 [libnvdimm] security_store+0x67/0x1a0 [libnvdimm] kernfs_fop_write+0xcf/0x1c0 vfs_write+0xde/0x1d0 ksys_write+0x68/0xe0 do_syscall_64+0x5c/0xa0 entry_SYSCALL_64_after_hwframe+0x49/0xb3 Fixes: 8c0637e950d6 ("keys: Make the KEY_NEED_* perms an enum rather than a mask") Suggested-by: David Howells <dhowells@redhat.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Vishal Verma <vishal.l.verma@intel.com> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Ira Weiny <ira.weiny@intel.com> Link: https://lore.kernel.org/r/159297332630.1304143.237026690015653759.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2020-07-08RDMA/mlx5: Set PD pointers for the error flow unwindLeon Romanovsky
ib_pd is accessed internally during destroy of the TIR/TIS, but PD can be not set yet. This leading to the following kernel panic. BUG: kernel NULL pointer dereference, address: 0000000000000074 PGD 8000000079eaa067 P4D 8000000079eaa067 PUD 7ae81067 PMD 0 Oops: 0000 [#1] SMP PTI CPU: 1 PID: 709 Comm: syz-executor.0 Not tainted 5.8.0-rc3 #41 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014 RIP: 0010:destroy_raw_packet_qp_tis drivers/infiniband/hw/mlx5/qp.c:1189 [inline] RIP: 0010:destroy_raw_packet_qp drivers/infiniband/hw/mlx5/qp.c:1527 [inline] RIP: 0010:destroy_qp_common+0x2ca/0x4f0 drivers/infiniband/hw/mlx5/qp.c:2397 Code: 00 85 c0 74 2e e8 56 18 55 ff 48 8d b3 28 01 00 00 48 89 ef e8 d7 d3 ff ff 48 8b 43 08 8b b3 c0 01 00 00 48 8b bd a8 0a 00 00 <0f> b7 50 74 e8 0d 6a fe ff e8 28 18 55 ff 49 8d 55 50 4c 89 f1 48 RSP: 0018:ffffc900007bbac8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88807949e800 RCX: 0000000000000998 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88807c180140 RBP: ffff88807b50c000 R08: 000000000002d379 R09: ffffc900007bba00 R10: 0000000000000001 R11: 000000000002d358 R12: ffff888076f37000 R13: ffff88807949e9c8 R14: ffffc900007bbe08 R15: ffff888076f37000 FS: 00000000019bf940(0000) GS:ffff88807dd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000074 CR3: 0000000076d68004 CR4: 0000000000360ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mlx5_ib_create_qp+0xf36/0xf90 drivers/infiniband/hw/mlx5/qp.c:3014 _ib_create_qp drivers/infiniband/core/core_priv.h:333 [inline] create_qp+0x57f/0xd20 drivers/infiniband/core/uverbs_cmd.c:1443 ib_uverbs_create_qp+0xcf/0x100 drivers/infiniband/core/uverbs_cmd.c:1564 ib_uverbs_write+0x5fa/0x780 drivers/infiniband/core/uverbs_main.c:664 __vfs_write+0x3f/0x90 fs/read_write.c:495 vfs_write+0xc7/0x1f0 fs/read_write.c:559 ksys_write+0x5e/0x110 fs/read_write.c:612 do_syscall_64+0x3e/0x70 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x466479 Code: Bad RIP value. RSP: 002b:00007ffd057b62b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000073bf00 RCX: 0000000000466479 RDX: 0000000000000070 RSI: 0000000020000240 RDI: 0000000000000003 RBP: 00000000019bf8fc R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000bf6 R14: 00000000004cb859 R15: 00000000006fefc0 Fixes: 6c41965d647a ("RDMA/mlx5: Don't access ib_qp fields in internal destroy QP path") Link: https://lore.kernel.org/r/20200707110612.882962-4-leon@kernel.org Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2020-07-08IB/mlx5: Fix 50G per lane indicationAya Levin
Some released FW versions mistakenly don't set the capability that 50G per lane link-modes are supported for VFs (ptys_extended_ethernet capability bit). Use PTYS.ext_eth_proto_capability instead, as this indication is always accurate. If PTYS.ext_eth_proto_capability is valid (has a non-zero value) conclude that the HCA supports 50G per lane. Otherwise, conclude that the HCA doesn't support 50G per lane. Fixes: 08e8676f1607 ("IB/mlx5: Add support for 50Gbps per lane link modes") Link: https://lore.kernel.org/r/20200707110612.882962-3-leon@kernel.org Signed-off-by: Aya Levin <ayal@mellanox.com> Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com> Reviewed-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2020-07-08selftests: kmod: Add module address visibility testKees Cook
Make sure we don't regress the CAP_SYSLOG behavior of the module address visibility via /proc/modules nor /sys/module/*/sections/*. Reviewed-by: Luis Chamberlain <mcgrof@kernel.org> Signed-off-by: Kees Cook <keescook@chromium.org>
2020-07-08bpf: Check correct cred for CAP_SYSLOG in bpf_dump_raw_ok()Kees Cook
When evaluating access control over kallsyms visibility, credentials at open() time need to be used, not the "current" creds (though in BPF's case, this has likely always been the same). Plumb access to associated file->f_cred down through bpf_dump_raw_ok() and its callers now that kallsysm_show_value() has been refactored to take struct cred. Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: bpf@vger.kernel.org Cc: stable@vger.kernel.org Fixes: 7105e828c087 ("bpf: allow for correlation of maps and helpers in dump") Signed-off-by: Kees Cook <keescook@chromium.org>
2020-07-08kprobes: Do not expose probe addresses to non-CAP_SYSLOGKees Cook
The kprobe show() functions were using "current"'s creds instead of the file opener's creds for kallsyms visibility. Fix to use seq_file->file->f_cred. Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: stable@vger.kernel.org Fixes: 81365a947de4 ("kprobes: Show address of kprobes if kallsyms does") Fixes: ffb9bd68ebdb ("kprobes: Show blacklist addresses as same as kallsyms does") Signed-off-by: Kees Cook <keescook@chromium.org>
2020-07-08module: Do not expose section addresses to non-CAP_SYSLOGKees Cook
The printing of section addresses in /sys/module/*/sections/* was not using the correct credentials to evaluate visibility. Before: # cat /sys/module/*/sections/.*text 0xffffffffc0458000 ... # capsh --drop=CAP_SYSLOG -- -c "cat /sys/module/*/sections/.*text" 0xffffffffc0458000 ... After: # cat /sys/module/*/sections/*.text 0xffffffffc0458000 ... # capsh --drop=CAP_SYSLOG -- -c "cat /sys/module/*/sections/.*text" 0x0000000000000000 ... Additionally replaces the existing (safe) /proc/modules check with file->f_cred for consistency. Reported-by: Dominik Czarnota <dominik.czarnota@trailofbits.com> Fixes: be71eda5383f ("module: Fix display of wrong module .text address") Cc: stable@vger.kernel.org Tested-by: Jessica Yu <jeyu@kernel.org> Acked-by: Jessica Yu <jeyu@kernel.org> Signed-off-by: Kees Cook <keescook@chromium.org>
2020-07-08module: Refactor section attr into bin attributeKees Cook
In order to gain access to the open file's f_cred for kallsym visibility permission checks, refactor the module section attributes to use the bin_attribute instead of attribute interface. Additionally removes the redundant "name" struct member. Cc: stable@vger.kernel.org Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Tested-by: Jessica Yu <jeyu@kernel.org> Acked-by: Jessica Yu <jeyu@kernel.org> Signed-off-by: Kees Cook <keescook@chromium.org>
2020-07-08kallsyms: Refactor kallsyms_show_value() to take credKees Cook
In order to perform future tests against the cred saved during open(), switch kallsyms_show_value() to operate on a cred, and have all current callers pass current_cred(). This makes it very obvious where callers are checking the wrong credential in their "read" contexts. These will be fixed in the coming patches. Additionally switch return value to bool, since it is always used as a direct permission check, not a 0-on-success, negative-on-error style function return. Cc: stable@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org>
2020-07-08cxgb4: fix all-mask IP address comparisonRahul Lakkireddy
Convert all-mask IP address to Big Endian, instead, for comparison. Fixes: f286dd8eaad5 ("cxgb4: use correct type for all-mask IP address comparison") Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-08tipc: fix retransmission on unicast linksHamish Martin
A scenario has been observed where a 'bc_init' message for a link is not retransmitted if it fails to be received by the peer. This leads to the peer never establishing the link fully and it discarding all other data received on the link. In this scenario the message is lost in transit to the peer. The issue is traced to the 'nxt_retr' field of the skb not being initialised for links that aren't a bc_sndlink. This leads to the comparison in tipc_link_advance_transmq() that gates whether to attempt retransmission of a message performing in an undesirable way. Depending on the relative value of 'jiffies', this comparison: time_before(jiffies, TIPC_SKB_CB(skb)->nxt_retr) may return true or false given that 'nxt_retr' remains at the uninitialised value of 0 for non bc_sndlinks. This is most noticeable shortly after boot when jiffies is initialised to a high value (to flush out rollover bugs) and we compare a jiffies of, say, 4294940189 to zero. In that case time_before returns 'true' leading to the skb not being retransmitted. The fix is to ensure that all skbs have a valid 'nxt_retr' time set for them and this is achieved by refactoring the setting of this value into a central function. With this fix, transmission losses of 'bc_init' messages do not stall the link establishment forever because the 'bc_init' message is retransmitted and the link eventually establishes correctly. Fixes: 382f598fb66b ("tipc: reduce duplicate packets for unicast traffic") Acked-by: Jon Maloy <jmaloy@redhat.com> Signed-off-by: Hamish Martin <hamish.martin@alliedtelesis.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-08l2tp: remove skb_dst_set() from l2tp_xmit_skb()Xin Long
In the tx path of l2tp, l2tp_xmit_skb() calls skb_dst_set() to set skb's dst. However, it will eventually call inet6_csk_xmit() or ip_queue_xmit() where skb's dst will be overwritten by: skb_dst_set_noref(skb, dst); without releasing the old dst in skb. Then it causes dst/dev refcnt leak: unregister_netdevice: waiting for eth0 to become free. Usage count = 1 This can be reproduced by simply running: # modprobe l2tp_eth && modprobe l2tp_ip # sh ./tools/testing/selftests/net/l2tp.sh So before going to inet6_csk_xmit() or ip_queue_xmit(), skb's dst should be dropped. This patch is to fix it by removing skb_dst_set() from l2tp_xmit_skb() and moving skb_dst_drop() into l2tp_xmit_core(). Fixes: 3557baabf280 ("[L2TP]: PPP over L2TP driver core") Reported-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: James Chapman <jchapman@katalix.com> Tested-by: James Chapman <jchapman@katalix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-08nbd: Fix memory leak in nbd_add_socketZheng Bin
When adding first socket to nbd, if nsock's allocation failed, the data structure member "config->socks" was reallocated, but the data structure member "config->num_connections" was not updated. A memory leak will occur then because the function "nbd_config_put" will free "config->socks" only when "config->num_connections" is not zero. Fixes: 03bf73c315ed ("nbd: prevent memory leak") Reported-by: syzbot+934037347002901b8d2a@syzkaller.appspotmail.com Signed-off-by: Zheng Bin <zhengbin13@huawei.com> Reviewed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-07-08arm64: Documentation: Fix broken table in generated HTMLSuzuki K Poulose
cpu-feature-registers.rst is missing a new line before a couple of tables listing the visible fields, causing broken tables in the HTML documentation generated by "make htmldocs". Fix this by adding the missing new line. Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Link: https://lore.kernel.org/r/20200707143152.154541-1-suzuki.poulose@arm.com Signed-off-by: Will Deacon <will@kernel.org>
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