- 30 9月, 2018 5 次提交
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由 Greg Kroah-Hartman 提交于
Merge tag 'libnvdimm-fixes2-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Dan writes: "filesystem-dax for 4.19-rc6 Fix a deadlock in the new for 4.19 dax_lock_mapping_entry() routine." * tag 'libnvdimm-fixes2-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: dax: Fix deadlock in dax_lock_mapping_entry()
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git://git.kernel.dk/linux-block由 Greg Kroah-Hartman 提交于
Jens writes: "Block fixes for 4.19-rc6 A set of fixes that should go into this release. This pull request contains: - A fix (hopefully) for the persistent grants for xen-blkfront. A previous fix from this series wasn't complete, hence reverted, and this one should hopefully be it. (Boris Ostrovsky) - Fix for an elevator drain warning with SMR devices, which is triggered when you switch schedulers (Damien) - bcache deadlock fix (Guoju Fang) - Fix for the block unplug tracepoint, which has had the timer/explicit flag reverted since 4.11 (Ilya) - Fix a regression in this series where the blk-mq timeout hook is invoked with the RCU read lock held, hence preventing it from blocking (Keith) - NVMe pull from Christoph, with a single multipath fix (Susobhan Dey)" * tag 'for-linus-20180929' of git://git.kernel.dk/linux-block: xen/blkfront: correct purging of persistent grants Revert "xen/blkfront: When purging persistent grants, keep them in the buffer" blk-mq: I/O and timer unplugs are inverted in blktrace bcache: add separate workqueue for journal_write to avoid deadlock xen/blkfront: When purging persistent grants, keep them in the buffer block: fix deadline elevator drain for zoned block devices blk-mq: Allow blocking queue tag iter callbacks nvme: properly propagate errors in nvme_mpath_init
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Greg Kroah-Hartman 提交于
Thomas writes: "A single fix for the AMD memory encryption boot code so it does not read random garbage instead of the cached encryption bit when a kexec kernel is allocated above the 32bit address limit." * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/boot: Fix kexec booting failure in the SEV bit detection code
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Greg Kroah-Hartman 提交于
Thomas writes: "Three small fixes for clocksource drivers: - Proper error handling in the Atmel PIT driver - Add CLOCK_SOURCE_SUSPEND_NONSTOP for TI SoCs so suspend works again - Fix the next event function for Facebook Backpack-CMM BMC chips so usleep(100) doesnt sleep several milliseconds" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clocksource/drivers/timer-atmel-pit: Properly handle error cases clocksource/drivers/fttmr010: Fix set_next_event handler clocksource/drivers/ti-32k: Add CLOCK_SOURCE_SUSPEND_NONSTOP flag for non-am43 SoCs
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Greg Kroah-Hartman 提交于
Thomas writes: "A single fix for a missing sanity check when a pinned event is tried to be read on the wrong CPU due to a legit event scheduling failure." * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/core: Add sanity check to deal with pinned event failure
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- 29 9月, 2018 12 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm由 Greg Kroah-Hartman 提交于
Rafael writes: "Power management fix for 4.19-rc6 Fix incorrect __init and __exit annotations in the Qualcomm Kryo cpufreq driver (Nathan Chancellor)." * tag 'pm-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: qcom-kryo: Fix section annotations
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由 Nathan Chancellor 提交于
There is currently a warning when building the Kryo cpufreq driver into the kernel image: WARNING: vmlinux.o(.text+0x8aa424): Section mismatch in reference from the function qcom_cpufreq_kryo_probe() to the function .init.text:qcom_cpufreq_kryo_get_msm_id() The function qcom_cpufreq_kryo_probe() references the function __init qcom_cpufreq_kryo_get_msm_id(). This is often because qcom_cpufreq_kryo_probe lacks a __init annotation or the annotation of qcom_cpufreq_kryo_get_msm_id is wrong. Remove the '__init' annotation from qcom_cpufreq_kryo_get_msm_id so that there is no more mismatch warning. Additionally, Nick noticed that the remove function was marked as '__init' when it should really be marked as '__exit'. Fixes: 46e2856b (cpufreq: Add Kryo CPU scaling driver) Fixes: 5ad7346b (cpufreq: kryo: Add module remove and exit) Reported-by: NNick Desaulniers <ndesaulniers@google.com> Signed-off-by: NNathan Chancellor <natechancellor@gmail.com> Acked-by: NViresh Kumar <viresh.kumar@linaro.org> Cc: 4.18+ <stable@vger.kernel.org> # 4.18+ Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.infradead.org/users/hch/dma-mapping由 Greg Kroah-Hartman 提交于
Christoph writes: "dma mapping fix for 4.19-rc6 fix a missing Kconfig symbol for commits introduced in 4.19-rc" * tag 'dma-mapping-4.19-3' of git://git.infradead.org/users/hch/dma-mapping: dma-mapping: add the missing ARCH_HAS_SYNC_DMA_FOR_CPU_ALL declaration
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input由 Greg Kroah-Hartman 提交于
Dmitry writes: "Input updates for v4.19-rc5 Just a few driver fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: uinput - allow for max == min during input_absinfo validation Input: elantech - enable middle button of touchpad on ThinkPad P72 Input: atakbd - fix Atari CapsLock behaviour Input: atakbd - fix Atari keymap Input: egalax_ts - add system wakeup support Input: gpio-keys - fix a documentation index issue
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https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi由 Greg Kroah-Hartman 提交于
Mark writes: "spi: Fixes for v4.19 Quite a few fixes for the Renesas drivers in here, plus a fix for the Tegra driver and some documentation fixes for the recently added spi-mem code. The Tegra fix is relatively large but fairly straightforward and mechanical, it runs on probe so it's been reasonably well covered in -next testing." * tag 'spi-fix-v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi: spi-mem: Move the DMA-able constraint doc to the kerneldoc header spi: spi-mem: Add missing description for data.nbytes field spi: rspi: Fix interrupted DMA transfers spi: rspi: Fix invalid SPI use during system suspend spi: sh-msiof: Fix handling of write value for SISTR register spi: sh-msiof: Fix invalid SPI use during system suspend spi: gpio: Fix copy-and-paste error spi: tegra20-slink: explicitly enable/disable clock
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由 Greg Kroah-Hartman 提交于
Merge tag 'regulator-v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Mark writes: "regulator: Fixes for 4.19 A collection of fairly minor bug fixes here, a couple of driver specific ones plus two core fixes. There's one fix for the new suspend state code which fixes some confusion with constant values that are supposed to indicate noop operation and another fixing a race condition with the creation of sysfs files on new regulators." * tag 'regulator-v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: fix crash caused by null driver data regulator: Fix 'do-nothing' value for regulators without suspend state regulator: da9063: fix DT probing with constraints regulator: bd71837: Disable voltage monitoring for LDO3/4
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https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux由 Greg Kroah-Hartman 提交于
Michael writes: "powerpc fixes for 4.19 #3 A reasonably big batch of fixes due to me being away for a few weeks. A fix for the TM emulation support on Power9, which could result in corrupting the guest r11 when running under KVM. Two fixes to the TM code which could lead to userspace GPR corruption if we take an SLB miss at exactly the wrong time. Our dynamic patching code had a bug that meant we could patch freed __init text, which could lead to corrupting userspace memory. csum_ipv6_magic() didn't work on little endian platforms since we optimised it recently. A fix for an endian bug when reading a device tree property telling us how many storage keys the machine has available. Fix a crash seen on some configurations of PowerVM when migrating the partition from one machine to another. A fix for a regression in the setup of our CPU to NUMA node mapping in KVM guests. A fix to our selftest Makefiles to make them work since a recent change to the shared Makefile logic." * tag 'powerpc-4.19-3' of https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: selftests/powerpc: Fix Makefiles for headers_install change powerpc/numa: Use associativity if VPHN hcall is successful powerpc/tm: Avoid possible userspace r1 corruption on reclaim powerpc/tm: Fix userspace r13 corruption powerpc/pseries: Fix unitialized timer reset on migration powerpc/pkeys: Fix reading of ibm, processor-storage-keys property powerpc: fix csum_ipv6_magic() on little endian platforms powerpc/powernv/ioda2: Reduce upper limit for DMA window size (again) powerpc: Avoid code patching freed init sections KVM: PPC: Book3S HV: Fix guest r11 corruption with POWER9 TM workarounds
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl由 Greg Kroah-Hartman 提交于
Linus writes: "Pin control fixes for v4.19: - Fixes to x86 hardware: - AMD interrupt debounce issues - Faulty Intel cannonlake register offset - Revert pin translation IRQ locking" * tag 'pinctrl-v4.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: Revert "pinctrl: intel: Do pin translation when lock IRQ" pinctrl: cannonlake: Fix HOSTSW_OWN register offset of H variant pinctrl/amd: poll InterruptEnable bits in amd_gpio_irq_set_type
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由 Reinette Chatre 提交于
It is possible that a failure can occur during the scheduling of a pinned event. The initial portion of perf_event_read_local() contains the various error checks an event should pass before it can be considered valid. Ensure that the potential scheduling failure of a pinned event is checked for and have a credible error. Suggested-by: NPeter Zijlstra <peterz@infradead.org> Signed-off-by: NReinette Chatre <reinette.chatre@intel.com> Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Acked-by: NPeter Zijlstra (Intel) <peterz@infradead.org> Cc: fenghua.yu@intel.com Cc: tony.luck@intel.com Cc: acme@kernel.org Cc: gavin.hindman@intel.com Cc: jithu.joseph@intel.com Cc: dave.hansen@intel.com Cc: hpa@zytor.com Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/6486385d1f30336e9973b24c8c65f5079543d3d3.1537377064.git.reinette.chatre@intel.com
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git://anongit.freedesktop.org/drm/drm由 Greg Kroah-Hartman 提交于
Dave writes: "drm fixes for 4.19-rc6 Looks like a pretty normal week for graphics, core: syncobj fix, panel link regression revert amd: suspend/resume fixes, EDID emulation fix mali-dp: NV12 writeback and vblank reset fixes etnaviv: DMA setup fix" * tag 'drm-fixes-2018-09-28' of git://anongit.freedesktop.org/drm/drm: drm/amd/display: Fix Edid emulation for linux drm/amd/display: Fix Vega10 lightup on S3 resume drm/amdgpu: Fix vce work queue was not cancelled when suspend Revert "drm/panel: Add device_link from panel device to DRM device" drm/syncobj: Don't leak fences when WAIT_FOR_SUBMIT is set drm/malidp: Fix writeback in NV12 drm: mali-dp: Call drm_crtc_vblank_reset on device init drm/etnaviv: add DMA configuration for etnaviv platform device
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由 Greg Kroah-Hartman 提交于
Merge tag 'riscv-for-linus-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux Palmer writes: "A Single RISC-V Update for 4.19-rc6 The Debian guys have been pushing on our port and found some unversioned symbols leaking into modules. This PR contains a single fix for that issue." * tag 'riscv-for-linus-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux: RISC-V: include linux/ftrace.h in asm-prototypes.h
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/helgaas/pci由 Greg Kroah-Hartman 提交于
Bjorn writes: "PCI fixes: - Fix ACPI hotplug issue that causes black screen crash at boot (Mika Westerberg) - Fix DesignWare "scheduling while atomic" issues (Jisheng Zhang) - Add PPC contacts to MAINTAINERS for PCI core error handling (Bjorn Helgaas) - Sort Mobiveil MAINTAINERS entry (Lorenzo Pieralisi)" * tag 'pci-v4.19-fixes-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: ACPI / hotplug / PCI: Don't scan for non-hotplug bridges if slot is not bridge PCI: dwc: Fix scheduling while atomic issues MAINTAINERS: Move mobiveil PCI driver entry where it belongs MAINTAINERS: Update PPC contacts for PCI core error handling
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- 28 9月, 2018 11 次提交
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git://git.infradead.org/nvme由 Jens Axboe 提交于
Pull NVMe fix from Christoph. * 'nvme-4.19' of git://git.infradead.org/nvme: nvme: properly propagate errors in nvme_mpath_init
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由 Juergen Gross 提交于
Commit a46b5367 ("xen/blkfront: cleanup stale persistent grants") introduced a regression as purged persistent grants were not pu into the list of free grants again. Correct that. Reviewed-by: NBoris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: NJuergen Gross <jgross@suse.com> Signed-off-by: NJens Axboe <axboe@kernel.dk>
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由 Jens Axboe 提交于
Fix didn't work for all cases, reverting to add a (hopefully) better fix. This reverts commit f151ba98. Signed-off-by: NJens Axboe <axboe@kernel.dk>
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由 Michael Ellerman 提交于
Commit b2d35fa5 ("selftests: add headers_install to lib.mk") introduced a requirement that Makefiles more than one level below the selftests directory need to define top_srcdir, but it didn't update any of the powerpc Makefiles. This broke building all the powerpc selftests with eg: make[1]: Entering directory '/src/linux/tools/testing/selftests/powerpc' BUILD_TARGET=/src/linux/tools/testing/selftests/powerpc/alignment; mkdir -p $BUILD_TARGET; make OUTPUT=$BUILD_TARGET -k -C alignment all make[2]: Entering directory '/src/linux/tools/testing/selftests/powerpc/alignment' ../../lib.mk:20: ../../../../scripts/subarch.include: No such file or directory make[2]: *** No rule to make target '../../../../scripts/subarch.include'. make[2]: Failed to remake makefile '../../../../scripts/subarch.include'. Makefile:38: recipe for target 'alignment' failed Fix it by setting top_srcdir in the affected Makefiles. Fixes: b2d35fa5 ("selftests: add headers_install to lib.mk") Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
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git://people.freedesktop.org/~agd5f/linux由 Dave Airlie 提交于
Just a few fixes for 4.19: - Couple of suspend/resume fixes - Fix EDID emulation with DC Signed-off-by: NDave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180927155418.2813-1-alexander.deucher@amd.com
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由 Dave Airlie 提交于
Merge tag 'drm-misc-fixes-2018-09-27-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes - Revert adding device-link to panels - Don't leak fences in drm/syncobj Signed-off-by: NDave Airlie <airlied@redhat.com> From: Sean Paul <sean@poorly.run> Link: https://patchwork.freedesktop.org/patch/msgid/20180927152712.GA53076@art_vandelay
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git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma由 Greg Kroah-Hartman 提交于
Jason writes: "Second RDMA rc pull request - Fix a long standing race bug when destroying comp_event file descriptors - srp, hfi1, bnxt_re: Various driver crashes from missing validation and other cases - Fixes for regressions in patches merged this window in the gid cache, devx, ucma and uapi." * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: RDMA/core: Set right entry state before releasing reference IB/mlx5: Destroy the DEVX object upon error flow IB/uverbs: Free uapi on destroy RDMA/bnxt_re: Fix system crash during RDMA resource initialization IB/hfi1: Fix destroy_qp hang after a link down IB/hfi1: Fix context recovery when PBC has an UnsupportedVL IB/hfi1: Invalid user input can result in crash IB/hfi1: Fix SL array bounds check RDMA/uverbs: Fix validity check for modify QP IB/srp: Avoid that sg_reset -d ${srp_device} triggers an infinite loop ucma: fix a use-after-free in ucma_resolve_ip() RDMA/uverbs: Atomically flush and mark closed the comp event queue cxgb4: fix abort_req_rss6 struct
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs由 Greg Kroah-Hartman 提交于
Jan writes: "an ext2 patch fixing fsync(2) for DAX mounts." * tag 'for_v4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: ext2, dax: set ext2_dax_aops for dax files
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由 Ilya Dryomov 提交于
trace_block_unplug() takes true for explicit unplugs and false for implicit unplugs. schedule() unplugs are implicit and should be reported as timer unplugs. While correct in the legacy code, this has been inverted in blk-mq since 4.11. Cc: stable@vger.kernel.org Fixes: bd166ef1 ("blk-mq-sched: add framework for MQ capable IO schedulers") Reviewed-by: NOmar Sandoval <osandov@fb.com> Signed-off-by: NIlya Dryomov <idryomov@gmail.com> Signed-off-by: NJens Axboe <axboe@kernel.dk>
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由 Jan Kara 提交于
When dax_lock_mapping_entry() has to sleep to obtain entry lock, it will fail to unlock mapping->i_pages spinlock and thus immediately deadlock against itself when retrying to grab the entry lock again. Fix the problem by unlocking mapping->i_pages before retrying. Fixes: c2a7d2a1 ("filesystem-dax: Introduce dax_lock_mapping_entry()") Reported-by: NBarret Rhoden <brho@google.com> Signed-off-by: NJan Kara <jack@suse.cz> Signed-off-by: NDan Williams <dan.j.williams@intel.com>
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由 Kairui Song 提交于
Commit 1958b5fc ("x86/boot: Add early boot support when running with SEV active") can occasionally cause system resets when kexec-ing a second kernel even if SEV is not active. That's because get_sev_encryption_bit() uses 32-bit rIP-relative addressing to read the value of enc_bit - a variable which caches a previously detected encryption bit position - but kexec may allocate the early boot code to a higher location, beyond the 32-bit addressing limit. In this case, garbage will be read and get_sev_encryption_bit() will return the wrong value, leading to accessing memory with the wrong encryption setting. Therefore, remove enc_bit, and thus get rid of the need to do 32-bit rIP-relative addressing in the first place. [ bp: massage commit message heavily. ] Fixes: 1958b5fc ("x86/boot: Add early boot support when running with SEV active") Suggested-by: NBorislav Petkov <bp@suse.de> Signed-off-by: NKairui Song <kasong@redhat.com> Signed-off-by: NBorislav Petkov <bp@suse.de> Reviewed-by: NTom Lendacky <thomas.lendacky@amd.com> Cc: linux-kernel@vger.kernel.org Cc: tglx@linutronix.de Cc: mingo@redhat.com Cc: hpa@zytor.com Cc: brijesh.singh@amd.com Cc: kexec@lists.infradead.org Cc: dyoung@redhat.com Cc: bhe@redhat.com Cc: ghook@redhat.com Link: https://lkml.kernel.org/r/20180927123845.32052-1-kasong@redhat.com
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- 27 9月, 2018 12 次提交
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由 Guoju Fang 提交于
After write SSD completed, bcache schedules journal_write work to system_wq, which is a public workqueue in system, without WQ_MEM_RECLAIM flag. system_wq is also a bound wq, and there may be no idle kworker on current processor. Creating a new kworker may unfortunately need to reclaim memory first, by shrinking cache and slab used by vfs, which depends on bcache device. That's a deadlock. This patch create a new workqueue for journal_write with WQ_MEM_RECLAIM flag. It's rescuer thread will work to avoid the deadlock. Signed-off-by: NGuoju Fang <fangguoju@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: NColy Li <colyli@suse.de> Signed-off-by: NJens Axboe <axboe@kernel.dk>
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由 Bhawanpreet Lakha 提交于
[Why] EDID emulation didn't work properly for linux, as we stop programming if nothing is connected physically. [How] We get a flag from DRM when we want to do edid emulation. We check if this flag is true and nothing is connected physically, if so we only program the front end using VIRTUAL_SIGNAL. Signed-off-by: NBhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Reviewed-by: NHarry Wentland <Harry.Wentland@amd.com> Acked-by: NLeo Li <sunpeng.li@amd.com> Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
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由 Roman Li 提交于
[Why] There have been a few reports of Vega10 display remaining blank after S3 resume. The regression is caused by workaround for mode change on Vega10 - skip set_bandwidth if stream count is 0. As a result we skipped dispclk reset on suspend, thus on resume we may skip the clock update assuming it hasn't been changed. On some systems it causes display blank or 'out of range'. [How] Revert "drm/amd/display: Fix Vega10 black screen after mode change" Verified that it hadn't cause mode change regression. Signed-off-by: NRoman Li <Roman.Li@amd.com> Reviewed-by: NSun peng Li <Sunpeng.Li@amd.com> Acked-by: NLeo Li <sunpeng.li@amd.com> Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
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由 Rex Zhu 提交于
The vce cancel_delayed_work_sync never be called. driver call the function in error path. This caused the A+A suspend hang when runtime pm enebled. As we will visit the smu in the idle queue. this will cause smu hang because the dgpu has been suspend, and the dgpu also will be waked up. As the smu has been hang, so the dgpu resume will failed. Reviewed-by: NChristian König <christian.koenig@amd.com> Reviewed-by: NFeifei Xu <Feifei.Xu@amd.com> Signed-off-by: NRex Zhu <Rex.Zhu@amd.com> Signed-off-by: NAlex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
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由 Linus Walleij 提交于
This reverts commit 0c08754b. commit 0c08754b ("drm/panel: Add device_link from panel device to DRM device") creates a circular dependency under these circumstances: 1. The panel depends on dsi-host because it is MIPI-DSI child device. 2. dsi-host depends on the drm parent device (connector->dev->dev) this should be allowed. 3. drm parent dev (connector->dev->dev) depends on the panel after this patch. This makes the dependency circular and while it appears it does not affect any in-tree drivers (they do not seem to have dsi hosts depending on the same parent device) this does not seem right. As noted in a response from Andrzej Hajda, the intent is likely to make the panel dependent on the DRM device (connector->dev) not its parent. But we have no way of doing that since the DRM device doesn't contain any struct device on its own (arguably it should). Revert this until a proper approach is figured out. Cc: Jyri Sarha <jsarha@ti.com> Cc: Eric Anholt <eric@anholt.net> Cc: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: NLinus Walleij <linus.walleij@linaro.org> Signed-off-by: NSean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20180927124130.9102-1-linus.walleij@linaro.org
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由 Thomas Gleixner 提交于
Merge branch 'clockevents/4.19-fixes' of https://git.linaro.org/people/daniel.lezcano/linux into timers/urgent Pull another fix from Daniel Lezcano, which felt through the cracks: - Fix a potential memory leak reported by smatch in the atmel timer driver
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由 Boris Ostrovsky 提交于
Commit a46b5367 ("xen/blkfront: cleanup stale persistent grants") added support for purging persistent grants when they are not in use. As part of the purge, the grants were removed from the grant buffer, This eventually causes the buffer to become empty, with BUG_ON triggered in get_free_grant(). This can be observed even on an idle system, within 20-30 minutes. We should keep the grants in the buffer when purging, and only free the grant ref. Fixes: a46b5367 ("xen/blkfront: cleanup stale persistent grants") Reviewed-by: NJuergen Gross <jgross@suse.com> Signed-off-by: NBoris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: NJens Axboe <axboe@kernel.dk>
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由 Alexandre Belloni 提交于
The smatch utility reports a possible leak: smatch warnings: drivers/clocksource/timer-atmel-pit.c:183 at91sam926x_pit_dt_init() warn: possible memory leak of 'data' Ensure data is freed before exiting with an error. Reported-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NAlexandre Belloni <alexandre.belloni@bootlin.com> Cc: stable@vger.kernel.org Signed-off-by: NDaniel Lezcano <daniel.lezcano@linaro.org>
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由 Damien Le Moal 提交于
When the deadline scheduler is used with a zoned block device, writes to a zone will be dispatched one at a time. This causes the warning message: deadline: forced dispatching is broken (nr_sorted=X), please report this to be displayed when switching to another elevator with the legacy I/O path while write requests to a zone are being retained in the scheduler queue. Prevent this message from being displayed when executing elv_drain_elevator() for a zoned block device. __blk_drain_queue() will loop until all writes are dispatched and completed, resulting in the desired elevator queue drain without extensive modifications to the deadline code itself to handle forced-dispatch calls. Signed-off-by: NDamien Le Moal <damien.lemoal@wdc.com> Fixes: 8dc8146f ("deadline-iosched: Introduce zone locking support") Cc: stable@vger.kernel.org Signed-off-by: NJens Axboe <axboe@kernel.dk>
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git://linux-arm.org/linux-ld由 Dave Airlie 提交于
Fix NV12 writeback and fix vblank reset. Signed-off-by: NDave Airlie <airlied@redhat.com> From: Liviu Dudau <Liviu.Dudau@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180921112354.GR936@e110455-lin.cambridge.arm.com
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https://git.pengutronix.de/git/lst/linux由 Dave Airlie 提交于
one fix to get a proper DMA configuration in place for the etnaviv virtual device. I'm sending this as a fix, as a dma-mapping change at the ARC architecture side during the 4.19 cycle broke etnaviv on this platform, which gets remedied with this patch, but it also enables ARM64. Signed-off-by: NDave Airlie <airlied@redhat.com> From: Lucas Stach <l.stach@pengutronix.de> Link: https://patchwork.freedesktop.org/patch/msgid/ea1f712bf09bf9439c6b092bf2c2bde7bb01cf5e.camel@pengutronix.de
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由 Mika Westerberg 提交于
HP 6730b laptop has an ethernet NIC connected to one of the PCIe root ports. The root ports themselves are native PCIe hotplug capable. Now, during boot after PCI devices are scanned the BIOS triggers ACPI bus check directly to the NIC: ACPI: \_SB_.PCI0.RP06.NIC_: Bus check in hotplug_event() It is not clear why it is sending bus check but regardless the ACPI hotplug notify handler calls enable_slot() directly (instead of going through acpiphp_check_bridge() as there is no bridge), which ends up handling special case for non-hotplug bridges with native PCIe hotplug. This results a crash of some kind but the reporter only sees black screen so it is hard to figure out the exact spot and what actually happens. Based on a few fix proposals it was tracked to crash somewhere inside pci_assign_unassigned_bridge_resources(). In any case we should not really be in that special branch at all because the ACPI notify happened to a slot that is not a PCI bridge (it is just a regular PCI device). Fix this so that we only go to that special branch if we are calling enable_slot() for a bridge (e.g., the ACPI notification was for the bridge). Link: https://bugzilla.kernel.org/show_bug.cgi?id=201127 Fixes: 84c8b58e ("ACPI / hotplug / PCI: Don't scan bridges managed by native hotplug") Reported-by: NPeter Anemone <peter.anemone@gmail.com> Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NBjorn Helgaas <bhelgaas@google.com> Reviewed-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com> CC: stable@vger.kernel.org # v4.18+
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