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2021-08-07drm/msm/dsi: drop msm_dsi_phy_get_shared_timingsDmitry Baryshkov
Instead of fetching shared timing through an extra function call, get them directly from msm_dsi_phy_enable. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org> Link: https://lore.kernel.org/r/20210709210729.953114-9-dmitry.baryshkov@linaro.org Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-08-07drm/msm/dsi: phy: use of_device_get_match_dataDmitry Baryshkov
Use of_device_get_match-data() instead of of_match_node(). Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org> Link: https://lore.kernel.org/r/20210709210729.953114-8-dmitry.baryshkov@linaro.org Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-08-07drm/msm/dpu: Add newlines to printksStephen Boyd
Add some missing newlines to the various DRM printks in this file. Noticed while looking at logs. While we're here unbreak quoted strings so grepping them is easier. Signed-off-by: Stephen Boyd <swboyd@chromium.org> Link: https://lore.kernel.org/r/20210708065619.999199-1-swboyd@chromium.org Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-08-07drm/msm: mdp4: drop vblank get/put from prepare/complete_commitDavid Heidelberg
msm_atomic is doing vblank get/put's already, currently there no need to duplicate the effort in MDP4 Fix warning: ... WARNING: CPU: 3 PID: 79 at drivers/gpu/drm/drm_vblank.c:1194 drm_vblank_put+0x1cc/0x1d4 ... and multiple vblank time-outs: ... msm 5100000.mdp: vblank time out, crtc=1 ... Tested on Nexus 7 2013 (deb), LTS 5.10.50. Introduced by: 119ecb7fd3b5 ("drm/msm/mdp4: request vblank during modeset") Signed-off-by: David Heidelberg <david@ixit.cz> Link: https://lore.kernel.org/r/20210715060925.7880-1-david@ixit.cz Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-08-07drm/msm/mdp4: move HW revision detection to earlier phaseDavid Heidelberg
Fixes if condition, which never worked inside mdp4_kms_init, since HW detection has been done later in mdp4_hw_init. Fixes: eb2b47bb9a03 ("drm/msm/mdp4: only use lut_clk on mdp4.2+") Signed-off-by: David Heidelberg <david@ixit.cz> Link: https://lore.kernel.org/r/20210705231641.315804-2-david@ixit.cz Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-08-07drm/msm/mdp4: refactor HW revision detection into read_mdp_hw_revisionDavid Heidelberg
Inspired by MDP5 code. Also use DRM_DEV_INFO for MDP version as MDP5 does. Cosmetic change: uint32_t -> u32 - checkpatch suggestion. Signed-off-by: David Heidelberg <david@ixit.cz> Link: https://lore.kernel.org/r/20210705231641.315804-1-david@ixit.cz Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-08-07drm/msm: Fix error return code in msm_drm_init()Wei Li
When it fail to create crtc_event kthread, it just jump to err_msm_uninit, while the 'ret' is not updated. So assign the return code before that. Fixes: 25fdd5933e4c ("drm/msm: Add SDM845 DPU support") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wei Li <liwei391@huawei.com> Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org> Link: https://lore.kernel.org/r/20210705134302.315813-1-liwei391@huawei.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-08-07drm/msm/dsi: drop gdsc regulator handlingDmitry Baryshkov
None of supported devies uses "gdsc" regulator for DSI. GDSC support is now implemented as a power domain. Drop old code and config handling gdsc regulator requesting and enabling. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210701000015.3347713-1-dmitry.baryshkov@linaro.org Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-08-07drm/msm/dsi: support CPHY mode for 7nm pll/phyJonathan Marek
Add the required changes to support 7nm pll/phy in CPHY mode. This adds a "qcom,dsi-phy-cphy-mode" property for the PHY node to enable the CPHY mode. Signed-off-by: Jonathan Marek <jonathan@marek.ca> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210617144349.28448-4-jonathan@marek.ca Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-08-07dt-bindings: msm: dsi: document phy-type property for 7nm dsi phyJonathan Marek
Document a new phy-type property which will be used to determine whether the phy should operate in D-PHY or C-PHY mode. Signed-off-by: Jonathan Marek <jonathan@marek.ca> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://lore.kernel.org/r/20210617144349.28448-3-jonathan@marek.ca Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-08-07dt-bindings: msm: dsi: add missing 7nm bindingsJonathan Marek
These got lost when going from .txt to .yaml bindings, add them back. Signed-off-by: Jonathan Marek <jonathan@marek.ca> Fixes: 8fc939e72ff8 ("dt-bindings: msm: dsi: add yaml schemas for DSI PHY bindings") Link: https://lore.kernel.org/r/20210617144349.28448-2-jonathan@marek.ca Reviewed-by: Rob Herring <robh+dt@kernel.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-08-07drm/msm: Use list_move_tail instead of list_del/list_add_tail in msm_gem.cBaokun Li
Using list_move_tail() instead of list_del() + list_add_tail() in msm_gem.c. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Baokun Li <libaokun1@huawei.com> Link: https://lore.kernel.org/r/20210609072838.1369371-1-libaokun1@huawei.com Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-08-07drm/msm: Use nvmem_cell_read_variable_le_u32() to read speed binDouglas Anderson
Let's use the newly-added nvmem_cell_read_variable_le_u32() to future proof ourselves a little bit. Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20210521134516.v2.1.Id496c6fea0cb92ff6ea8ef1faf5d468eb09465e3@changeid Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-08-07drm/msm: Periodically update RPTR shadowRob Clark
On a5xx and a6xx devices that are using CP_WHERE_AM_I to update a ringbuffer read-ptr shadow value, periodically emit a CP_WHERE_AM_I every 32 commands, so that a later submit waiting for ringbuffer space to become available sees partial progress, rather than not seeing rptr advance at all until the GPU gets to the end of the submit that it is currently chewing on. Signed-off-by: Rob Clark <robdclark@chromium.org> Acked-by: Jordan Crouse <jordan@cosmicpenguin.net> Link: https://lore.kernel.org/r/20210428193654.1498482-3-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-08-07drm/msm: Implement mmap as GEM object functionThomas Zimmermann
Moving the driver-specific mmap code into a GEM object function allows for using DRM helpers for various mmap callbacks. The respective msm functions are being removed. The file_operations structure fops is now being created by the helper macro DEFINE_DRM_GEM_FOPS(). v2: * rebase onto latest upstream * remove declaration of msm_gem_mmap_obj() from msm_fbdev.c Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://lore.kernel.org/r/20210706084753.8194-1-tzimmermann@suse.de [squash in missing VM_DONTEXPAND flag] Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-08-07drm: msm: Add 680 gpu to the adreno gpu listBjorn Andersson
This patch adds a Adreno 680 entry to the gpulist. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20210725032002.3961691-1-bjorn.andersson@linaro.org Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-31drm/msm/a6xx: Add support for Adreno 7c Gen 3 gpuAkhil P Oommen
This patch adds support for the gpu found in the Snapdragon 7c Gen 3 compute platform. This gpu is similar to the exisiting a660 gpu with minor delta in the programing sequence. As the Adreno GPUs are moving away from a numeric chipid based naming scheme to a string, it was decided to use 0x06030500 as the chip id of this gpu to communicate to the userspace driver. Signed-off-by: Akhil P Oommen <akhilpo@codeaurora.org> Link: https://lore.kernel.org/r/20210730011945.v4.3.I610377db0934b6b7deda532ec2bf786a02c38c01@changeid Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-31drm/msm/a6xx: Use rev to identify SKUAkhil P Oommen
Use rev instead of revn to identify the SKU. This is in preparation to the introduction of 7c3 gpu which won't have a revn. Signed-off-by: Akhil P Oommen <akhilpo@codeaurora.org> Link: https://lore.kernel.org/r/20210730011945.v4.2.I286ef007fcadd9e6ee3b2c0ad948f990735f9610@changeid Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-31drm/msm/a6xx: Fix llcc configuration for a660 gpuAkhil P Oommen
Add the missing scache_cntl0 register programing which is required for a660 gpu. Signed-off-by: Akhil P Oommen <akhilpo@codeaurora.org> Link: https://lore.kernel.org/r/20210730011945.v4.1.I110b87677ef16d97397fb7c81c07a16e1f5d211e@changeid Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-28drm/msm/gem: Mark active before pinningRob Clark
Mark all the bos in the submit as active, before pinning, to prevent evicting a buffer in the same submit to make room for a buffer earlier in the table. Signed-off-by: Rob Clark <robdclark@chromium.org> Link: https://lore.kernel.org/r/20210728010632.2633470-14-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-28drm/msm: Utilize gpu scheduler prioritiesRob Clark
The drm/scheduler provides additional prioritization on top of that provided by however many number of ringbuffers (each with their own priority level) is supported on a given generation. Expose the additional levels of priority to userspace and map the userspace priority back to ring (first level of priority) and schedular priority (additional priority levels within the ring). Signed-off-by: Rob Clark <robdclark@chromium.org> Acked-by: Christian König <christian.koenig@amd.com> Link: https://lore.kernel.org/r/20210728010632.2633470-13-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-28drm/msm: Drop struct_mutex in submit pathRob Clark
It is sufficient to serialize on the submit queue now. Signed-off-by: Rob Clark <robdclark@chromium.org> Acked-by: Christian König <christian.koenig@amd.com> Link: https://lore.kernel.org/r/20210728010632.2633470-12-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-28drm/msm: Drop submit bo_listRob Clark
This was only used to detect userspace including the same bo multiple times in a submit. But ww_mutex can already tell us this. When we drop struct_mutex around the submit ioctl, we'd otherwise need to lock the bo before adding it to the bo_list. But since ww_mutex can already tell us this, it is simpler just to remove the bo_list. Signed-off-by: Rob Clark <robdclark@chromium.org> Link: https://lore.kernel.org/r/20210728010632.2633470-11-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-28drm/msm: Conversion to drm schedulerRob Clark
For existing adrenos, there is one or more ringbuffer, depending on whether preemption is supported. When preemption is supported, each ringbuffer has it's own priority. A submitqueue (which maps to a gl context or vk queue in userspace) is mapped to a specific ring- buffer at creation time, based on the submitqueue's priority. Each ringbuffer has it's own drm_gpu_scheduler. Each submitqueue maps to a drm_sched_entity. And each submit maps to a drm_sched_job. Closes: https://gitlab.freedesktop.org/drm/msm/-/issues/4 Signed-off-by: Rob Clark <robdclark@chromium.org> Acked-by: Christian König <christian.koenig@amd.com> Link: https://lore.kernel.org/r/20210728010632.2633470-10-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-27drm/msm: Return ERR_PTR() from submit_create()Rob Clark
In the next patch, we start having more than a single potential failure reason. Signed-off-by: Rob Clark <robdclark@chromium.org> Acked-by: Christian König <christian.koenig@amd.com> Link: https://lore.kernel.org/r/20210728010632.2633470-9-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-27drm/msm: Track "seqno" fences by idrRob Clark
Previously the (non-fd) fence returned from submit ioctl was a raw seqno, which is scoped to the ring. But from UABI standpoint, the ioctls related to seqno fences all specify a submitqueue. We can take advantage of that to replace the seqno fences with a cyclic idr handle. This is in preperation for moving to drm scheduler, at which point the submit ioctl will return after queuing the submit job to the scheduler, but before the submit is written into the ring (and therefore before a ring seqno has been assigned). Which means we need to replace the dma_fence that userspace may need to wait on with a scheduler fence. Signed-off-by: Rob Clark <robdclark@chromium.org> Acked-by: Christian König <christian.koenig@amd.com> Link: https://lore.kernel.org/r/20210728010632.2633470-8-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-27drm/msm: Consolidate submit bo stateRob Clark
Move all the locked/active/pinned state handling to msm_gem_submit.c. In particular, for drm/scheduler, we'll need to do all this before pushing the submit job to the scheduler. But while we're at it we can get rid of the dupicate pin and refcnt. Signed-off-by: Rob Clark <robdclark@chromium.org> Acked-by: Christian König <christian.koenig@amd.com> Link: https://lore.kernel.org/r/20210728010632.2633470-7-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-27drm/msm/submit: Simplify out-fence-fd handlingRob Clark
No need for this to be split in two parts. Signed-off-by: Rob Clark <robdclark@chromium.org> Acked-by: Christian König <christian.koenig@amd.com> Link: https://lore.kernel.org/r/20210728010632.2633470-6-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-27drm: Drop drm_gem_object_put_locked()Rob Clark
Now that no one is using it, remove it. Signed-off-by: Rob Clark <robdclark@chromium.org> Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://lore.kernel.org/r/20210728010632.2633470-5-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-27drm/msm: drop drm_gem_object_put_locked()Rob Clark
No idea why we were still using this. It certainly hasn't been needed for some time. So drop the pointless twin codepaths. Signed-off-by: Rob Clark <robdclark@chromium.org> Acked-by: Christian König <christian.koenig@amd.com> Link: https://lore.kernel.org/r/20210728010632.2633470-4-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-27drm/msm: Small submitqueue creation cleanupRob Clark
If we don't have a gpu, there is no need to create a submitqueue, which lets us simplify the error handling and submitqueue creation. Signed-off-by: Rob Clark <robdclark@chromium.org> Acked-by: Christian König <christian.koenig@amd.com> Link: https://lore.kernel.org/r/20210728010632.2633470-3-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-27drm/msm: Docs and misc cleanupRob Clark
Fix a couple incorrect or misspelt comments, and add submitqueue doc comment. Signed-off-by: Rob Clark <robdclark@chromium.org> Acked-by: Christian König <christian.koenig@amd.com> Link: https://lore.kernel.org/r/20210728010632.2633470-2-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-27drm/msm: Devfreq tuningRob Clark
This adds a few things to try and make frequency scaling better match the workload: 1) Longer polling interval to avoid whip-lashing between too-high and too-low frequencies in certain workloads, like mobile games which throttle themselves to 30fps. Previously our polling interval was short enough to let things ramp down to minimum freq in the "off" frame, but long enough to not react quickly enough when rendering started on the next frame, leading to uneven frame times. (Ie. rather than a consistent 33ms it would alternate between 16/33/48ms.) 2) Awareness of when the GPU is active vs idle. Since we know when the GPU is active vs idle, we can clamp the frequency down to the minimum while it is idle. (If it is idle for long enough, then the autosuspend delay will eventually kick in and power down the GPU.) Since devfreq has no knowledge of powered-but-idle, this takes a small bit of trickery to maintain a "fake" frequency while idle. This, combined with the longer polling period allows devfreq to arrive at a reasonable "active" frequency, while still clamping to minimum freq when idle to reduce power draw. 3) Boost. Because simple_ondemand needs to see a certain threshold of busyness to ramp up, we could end up needing multiple polling cycles before it reacts appropriately on interactive workloads (ex. scrolling a web page after reading for some time), on top of the already lengthened polling interval, when we see a idle to active transition after a period of idle time we boost the frequency that we return to. Signed-off-by: Rob Clark <robdclark@chromium.org> Link: https://lore.kernel.org/r/20210726144653.2180096-4-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-27drm/msm: Split out get_freq() helperRob Clark
In the next patch, it grows a bit more, so lets not duplicate the logic in multiple places. Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210726144653.2180096-3-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-27drm/msm: Split out devfreq handlingRob Clark
Before we start adding more cleverness, split it into it's own file. Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210726144653.2180096-2-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-27drm/msm: Signal fences soonerRob Clark
Nothing we do to in update_fences() can't be done in an atomic context, so move this into the GPU's irq context to reduce latency (and call dma_fence_signal() so we aren't relying on dma_fence_is_signaled() which would defeat the purpose). Signed-off-by: Rob Clark <robdclark@chromium.org> Link: https://lore.kernel.org/r/20210726144359.2179302-3-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-27drm/msm: Let fences read directly from memptrsRob Clark
Let dma_fence::signaled, etc, read directly from the address that the hw is writing with updated completed fence seqno, so we can potentially notice that the fence is signaled sooner. Plus add some docs. Signed-off-by: Rob Clark <robdclark@chromium.org> Link: https://lore.kernel.org/r/20210726144359.2179302-2-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-07-25Linux 5.14-rc3v5.14-rc3Linus Torvalds
2021-07-25smpboot: fix duplicate and misplaced inlining directiveLinus Torvalds
gcc doesn't care, but clang quite reasonably pointed out that the recent commit e9ba16e68cce ("smpboot: Mark idle_init() as __always_inlined to work around aggressive compiler un-inlining") did some really odd things: kernel/smpboot.c:50:20: warning: duplicate 'inline' declaration specifier [-Wduplicate-decl-specifier] static inline void __always_inline idle_init(unsigned int cpu) ^ which not only has that duplicate inlining specifier, but the new __always_inline was put in the wrong place of the function definition. We put the storage class specifiers (ie things like "static" and "extern") first, and the type information after that. And while the compiler may not care, we put the inline specifier before the types. So it should be just static __always_inline void idle_init(unsigned int cpu) instead. Cc: Ingo Molnar <mingo@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-25Merge tag 'powerpc-5.14-3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: - Fix guest to host memory corruption in H_RTAS due to missing nargs check. - Fix guest triggerable host crashes due to bad handling of nested guest TM state. - Fix possible crashes due to incorrect reference counting in kvm_arch_vcpu_ioctl(). - Two commits fixing some regressions in KVM transactional memory handling introduced by the recent rework of the KVM code. Thanks to Nicholas Piggin, Alexey Kardashevskiy, and Michael Neuling. * tag 'powerpc-5.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: KVM: PPC: Book3S HV Nested: Sanitise H_ENTER_NESTED TM state KVM: PPC: Book3S: Fix H_RTAS rets buffer overflow KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak KVM: PPC: Book3S: Fix CONFIG_TRANSACTIONAL_MEM=n crash KVM: PPC: Book3S HV P9: Fix guest TM support
2021-07-25Merge tag 'timers-urgent-2021-07-25' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fixes from Thomas Gleixner: "A small set of timer related fixes: - Plug a race between rearm and process tick in the posix CPU timers code - Make the optimization to avoid recalculation of the next timer interrupt work correctly when there are no timers pending" * tag 'timers-urgent-2021-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timers: Fix get_next_timer_interrupt() with no timers pending posix-cpu-timers: Fix rearm racing against process tick
2021-07-25Merge tag 'locking-urgent-2021-07-25' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 jump label fix from Thomas Gleixner: "A single fix for jump labels to prevent the compiler from agressive un-inlining which results in a section mismatch" * tag 'locking-urgent-2021-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: jump_labels: Mark __jump_label_transform() as __always_inlined to work around aggressive compiler un-inlining
2021-07-25Merge tag 'efi-urgent-2021-07-25' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull EFI fixes from Thomas Gleixner: "A set of EFI fixes: - Prevent memblock and I/O reserved resources to get out of sync when EFI memreserve is in use. - Don't claim a non-existing table is invalid - Don't warn when firmware memory is already reserved correctly" * tag 'efi-urgent-2021-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: efi/mokvar: Reserve the table only if it is in boot services data efi/libstub: Fix the efi_load_initrd function description firmware/efi: Tell memblock about EFI iomem reservations efi/tpm: Differentiate missing and invalid final event log table.
2021-07-25Merge tag 'core-urgent-2021-07-25' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull core fix from Thomas Gleixner: "A single update for the boot code to prevent aggressive un-inlining which causes a section mismatch" * tag 'core-urgent-2021-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: smpboot: Mark idle_init() as __always_inlined to work around aggressive compiler un-inlining
2021-07-25Merge tag 'dma-mapping-5.14-1' of git://git.infradead.org/users/hch/dma-mappingLinus Torvalds
Pull dma-mapping fix from Christoph Hellwig: - handle vmalloc addresses in dma_common_{mmap,get_sgtable} (Roman Skakun) * tag 'dma-mapping-5.14-1' of git://git.infradead.org/users/hch/dma-mapping: dma-mapping: handle vmalloc addresses in dma_common_{mmap,get_sgtable}
2021-07-24Merge tag '5.14-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds
Pull cifs fixes from Steve French: "Five cifs/smb3 fixes, including a DFS failover fix, two fallocate fixes, and two trivial coverity cleanups" * tag '5.14-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: cifs: fix fallocate when trying to allocate a hole. CIFS: Clarify SMB1 code for POSIX delete file CIFS: Clarify SMB1 code for POSIX Create cifs: support share failover when remounting cifs: only write 64kb at a time when fallocating a small region of a file
2021-07-24Merge tag 'riscv-for-linus-5.14-rc3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fixes from Palmer Dabbelt: - properly set the memory size, which fixes 32-bit systems - allow initrd to load anywhere in memory, rather that restricting it to the first 256MiB - fix the 'mem=' parameter on 64-bit systems to properly account for the maximum supported memory now that the kernel is outside the linear map - avoid installing mappings into the last 4KiB of memory, which conflicts with error values - avoid the stack from being freed while it is being walked - a handful of fixes to the new copy to/from user routines * tag 'riscv-for-linus-5.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: __asm_copy_to-from_user: Fix: Typos in comments riscv: __asm_copy_to-from_user: Remove unnecessary size check riscv: __asm_copy_to-from_user: Fix: fail on RV32 riscv: __asm_copy_to-from_user: Fix: overrun copy riscv: stacktrace: pin the task's stack in get_wchan riscv: Make sure the kernel mapping does not overlap with IS_ERR_VALUE riscv: Make sure the linear mapping does not use the kernel mapping riscv: Fix memory_limit for 64-bit kernel RISC-V: load initrd wherever it fits into memory riscv: Fix 32-bit RISC-V boot failure
2021-07-24ACPI: fix NULL pointer dereferenceLinus Torvalds
Commit 71f642833284 ("ACPI: utils: Fix reference counting in for_each_acpi_dev_match()") started doing "acpi_dev_put()" on a pointer that was possibly NULL. That fails miserably, because that helper inline function is not set up to handle that case. Just make acpi_dev_put() silently accept a NULL pointer, rather than calling down to put_device() with an invalid offset off that NULL pointer. Link: https://lore.kernel.org/lkml/a607c149-6bf6-0fd0-0e31-100378504da2@kernel.dk/ Reported-and-tested-by: Jens Axboe <axboe@kernel.dk> Tested-by: Daniel Scally <djrscally@gmail.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-24Merge tag 'scsi-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Four fixes, all in drivers, all of which can lead to user visible problems in certain situations" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: target: Fix NULL dereference on XCOPY completion scsi: mpt3sas: Transition IOC to Ready state during shutdown scsi: target: Fix protect handling in WRITE SAME(32) scsi: iscsi: Fix iface sysfs attr detection
2021-07-24Merge tag 'io_uring-5.14-2021-07-24' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull io_uring fixes from Jens Axboe: - Fix a memory leak due to a race condition in io_init_wq_offload (Yang) - Poll error handling fixes (Pavel) - Fix early fdput() regression (me) - Don't reissue iopoll requests off release path (me) - Add a safety check for io-wq queue off wrong path (me) * tag 'io_uring-5.14-2021-07-24' of git://git.kernel.dk/linux-block: io_uring: explicitly catch any illegal async queue attempt io_uring: never attempt iopoll reissue from release path io_uring: fix early fdput() of file io_uring: fix memleak in io_init_wq_offload() io_uring: remove double poll entry on arm failure io_uring: explicitly count entries for poll reqs
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