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2019-08-03ubsan: build ubsan.c more conservativelyArnd Bergmann1-1/+2
objtool points out several conditions that it does not like, depending on the combination with other configuration options and compiler variants: stack protector: lib/ubsan.o: warning: objtool: __ubsan_handle_type_mismatch()+0xbf: call to __stack_chk_fail() with UACCESS enabled lib/ubsan.o: warning: objtool: __ubsan_handle_type_mismatch_v1()+0xbe: call to __stack_chk_fail() with UACCESS enabled stackleak plugin: lib/ubsan.o: warning: objtool: __ubsan_handle_type_mismatch()+0x4a: call to stackleak_track_stack() with UACCESS enabled lib/ubsan.o: warning: objtool: __ubsan_handle_type_mismatch_v1()+0x4a: call to stackleak_track_stack() with UACCESS enabled kasan: lib/ubsan.o: warning: objtool: __ubsan_handle_type_mismatch()+0x25: call to memcpy() with UACCESS enabled lib/ubsan.o: warning: objtool: __ubsan_handle_type_mismatch_v1()+0x25: call to memcpy() with UACCESS enabled The stackleak and kasan options just need to be disabled for this file as we do for other files already. For the stack protector, we already attempt to disable it, but this fails on clang because the check is mixed with the gcc specific -fno-conserve-stack option. According to Andrey Ryabinin, that option is not even needed, dropping it here fixes the stackprotector issue. Link: http://lkml.kernel.org/r/20190722125139.1335385-1-arnd@arndb.de Link: https://lore.kernel.org/lkml/20190617123109.667090-1-arnd@arndb.de/t/ Link: https://lore.kernel.org/lkml/20190722091050.2188664-1-arnd@arndb.de/t/ Fixes: d08965a27e84 ("x86/uaccess, ubsan: Fix UBSAN vs. SMAP") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Kees Cook <keescook@chromium.org> Cc: Matthew Wilcox <willy@infradead.org> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-08-03kasan: remove clang version check for KASAN_STACKArnd Bergmann1-6/+5
asan-stack mode still uses dangerously large kernel stacks of tens of kilobytes in some drivers, and it does not seem that anyone is working on the clang bug. Turn it off for all clang versions to prevent users from accidentally enabling it once they update to clang-9, and to help automated build testing with clang-9. Link: https://bugs.llvm.org/show_bug.cgi?id=38809 Link: http://lkml.kernel.org/r/20190719200347.2596375-1-arnd@arndb.de Fixes: 6baec880d7a5 ("kasan: turn off asan-stack for clang-8 and earlier") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Nick Desaulniers <ndesaulniers@google.com> Reviewed-by: Mark Brown <broonie@kernel.org> Reviewed-by: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Qian Cai <cai@lca.pw> Cc: Andrey Konovalov <andreyknvl@google.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-08-03mm: compaction: avoid 100% CPU usage during compaction when a task is killedMel Gorman1-4/+7
"howaboutsynergy" reported via kernel buzilla number 204165 that compact_zone_order was consuming 100% CPU during a stress test for prolonged periods of time. Specifically the following command, which should exit in 10 seconds, was taking an excessive time to finish while the CPU was pegged at 100%. stress -m 220 --vm-bytes 1000000000 --timeout 10 Tracing indicated a pattern as follows stress-3923 [007] 519.106208: mm_compaction_isolate_migratepages: range=(0x70bb80 ~ 0x70bb80) nr_scanned=0 nr_taken=0 stress-3923 [007] 519.106212: mm_compaction_isolate_migratepages: range=(0x70bb80 ~ 0x70bb80) nr_scanned=0 nr_taken=0 stress-3923 [007] 519.106216: mm_compaction_isolate_migratepages: range=(0x70bb80 ~ 0x70bb80) nr_scanned=0 nr_taken=0 stress-3923 [007] 519.106219: mm_compaction_isolate_migratepages: range=(0x70bb80 ~ 0x70bb80) nr_scanned=0 nr_taken=0 stress-3923 [007] 519.106223: mm_compaction_isolate_migratepages: range=(0x70bb80 ~ 0x70bb80) nr_scanned=0 nr_taken=0 stress-3923 [007] 519.106227: mm_compaction_isolate_migratepages: range=(0x70bb80 ~ 0x70bb80) nr_scanned=0 nr_taken=0 stress-3923 [007] 519.106231: mm_compaction_isolate_migratepages: range=(0x70bb80 ~ 0x70bb80) nr_scanned=0 nr_taken=0 stress-3923 [007] 519.106235: mm_compaction_isolate_migratepages: range=(0x70bb80 ~ 0x70bb80) nr_scanned=0 nr_taken=0 stress-3923 [007] 519.106238: mm_compaction_isolate_migratepages: range=(0x70bb80 ~ 0x70bb80) nr_scanned=0 nr_taken=0 stress-3923 [007] 519.106242: mm_compaction_isolate_migratepages: range=(0x70bb80 ~ 0x70bb80) nr_scanned=0 nr_taken=0 Note that compaction is entered in rapid succession while scanning and isolating nothing. The problem is that when a task that is compacting receives a fatal signal, it retries indefinitely instead of exiting while making no progress as a fatal signal is pending. It's not easy to trigger this condition although enabling zswap helps on the basis that the timing is altered. A very small window has to be hit for the problem to occur (signal delivered while compacting and isolating a PFN for migration that is not aligned to SWAP_CLUSTER_MAX). This was reproduced locally -- 16G single socket system, 8G swap, 30% zswap configured, vm-bytes 22000000000 using Colin Kings stress-ng implementation from github running in a loop until the problem hits). Tracing recorded the problem occurring almost 200K times in a short window. With this patch, the problem hit 4 times but the task existed normally instead of consuming CPU. This problem has existed for some time but it was made worse by commit cf66f0700c8f ("mm, compaction: do not consider a need to reschedule as contention"). Before that commit, if the same condition was hit then locks would be quickly contended and compaction would exit that way. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=204165 Link: http://lkml.kernel.org/r/20190718085708.GE24383@techsingularity.net Fixes: cf66f0700c8f ("mm, compaction: do not consider a need to reschedule as contention") Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Reviewed-by: Vlastimil Babka <vbabka@suse.cz> Cc: <stable@vger.kernel.org> [5.1+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-08-03mm: migrate: fix reference check race between __find_get_block() and migrationJan Kara1-1/+3
buffer_migrate_page_norefs() can race with bh users in the following way: CPU1 CPU2 buffer_migrate_page_norefs() buffer_migrate_lock_buffers() checks bh refs spin_unlock(&mapping->private_lock) __find_get_block() spin_lock(&mapping->private_lock) grab bh ref spin_unlock(&mapping->private_lock) move page do bh work This can result in various issues like lost updates to buffers (i.e. metadata corruption) or use after free issues for the old page. This patch closes the race by holding mapping->private_lock while the mapping is being moved to a new page. Ordinarily, a reference can be taken outside of the private_lock using the per-cpu BH LRU but the references are checked and the LRU invalidated if necessary. The private_lock is held once the references are known so the buffer lookup slow path will spin on the private_lock. Between the page lock and private_lock, it should be impossible for other references to be acquired and updates to happen during the migration. A user had reported data corruption issues on a distribution kernel with a similar page migration implementation as mainline. The data corruption could not be reproduced with this patch applied. A small number of migration-intensive tests were run and no performance problems were noted. [mgorman@techsingularity.net: Changelog, removed tracing] Link: http://lkml.kernel.org/r/20190718090238.GF24383@techsingularity.net Fixes: 89cb0888ca14 "mm: migrate: provide buffer_migrate_page_norefs()" Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Cc: <stable@vger.kernel.org> [5.0+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-08-03mm: vmscan: check if mem cgroup is disabled or not before calling memcg slab ↵Yang Shi1-1/+8
shrinker Shakeel Butt reported premature oom on kernel with "cgroup_disable=memory" since mem_cgroup_is_root() returns false even though memcg is actually NULL. The drop_caches is also broken. It is because commit aeed1d325d42 ("mm/vmscan.c: generalize shrink_slab() calls in shrink_node()") removed the !memcg check before !mem_cgroup_is_root(). And, surprisingly root memcg is allocated even though memory cgroup is disabled by kernel boot parameter. Add mem_cgroup_disabled() check to make reclaimer work as expected. Link: http://lkml.kernel.org/r/1563385526-20805-1-git-send-email-yang.shi@linux.alibaba.com Fixes: aeed1d325d42 ("mm/vmscan.c: generalize shrink_slab() calls in shrink_node()") Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com> Reported-by: Shakeel Butt <shakeelb@google.com> Reviewed-by: Shakeel Butt <shakeelb@google.com> Reviewed-by: Kirill Tkhai <ktkhai@virtuozzo.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Jan Hadrava <had@kam.mff.cuni.cz> Cc: Vladimir Davydov <vdavydov.dev@gmail.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Roman Gushchin <guro@fb.com> Cc: Hugh Dickins <hughd@google.com> Cc: Qian Cai <cai@lca.pw> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: <stable@vger.kernel.org> [4.19+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-08-03ocfs2: remove set but not used variable 'last_hash'YueHaibing1-3/+0
Fixes gcc '-Wunused-but-set-variable' warning: fs/ocfs2/xattr.c: In function ocfs2_xattr_bucket_find: fs/ocfs2/xattr.c:3828:6: warning: variable last_hash set but not used [-Wunused-but-set-variable] It's never used and can be removed. Link: http://lkml.kernel.org/r/20190716132110.34836-1-yuehaibing@huawei.com Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com> Cc: Mark Fasheh <mark@fasheh.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Changwei Ge <gechangwei@live.cn> Cc: Gang He <ghe@suse.com> Cc: Jun Piao <piaojun@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-08-03Revert "kmemleak: allow to coexist with fault injection"Yang Shi1-1/+1
When running ltp's oom test with kmemleak enabled, the below warning was triggerred since kernel detects __GFP_NOFAIL & ~__GFP_DIRECT_RECLAIM is passed in: WARNING: CPU: 105 PID: 2138 at mm/page_alloc.c:4608 __alloc_pages_nodemask+0x1c31/0x1d50 Modules linked in: loop dax_pmem dax_pmem_core ip_tables x_tables xfs virtio_net net_failover virtio_blk failover ata_generic virtio_pci virtio_ring virtio libata CPU: 105 PID: 2138 Comm: oom01 Not tainted 5.2.0-next-20190710+ #7 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.10.2-0-g5f4c7b1-prebuilt.qemu-project.org 04/01/2014 RIP: 0010:__alloc_pages_nodemask+0x1c31/0x1d50 ... kmemleak_alloc+0x4e/0xb0 kmem_cache_alloc+0x2a7/0x3e0 mempool_alloc_slab+0x2d/0x40 mempool_alloc+0x118/0x2b0 bio_alloc_bioset+0x19d/0x350 get_swap_bio+0x80/0x230 __swap_writepage+0x5ff/0xb20 The mempool_alloc_slab() clears __GFP_DIRECT_RECLAIM, however kmemleak has __GFP_NOFAIL set all the time due to d9570ee3bd1d4f2 ("kmemleak: allow to coexist with fault injection"). But, it doesn't make any sense to have __GFP_NOFAIL and ~__GFP_DIRECT_RECLAIM specified at the same time. According to the discussion on the mailing list, the commit should be reverted for short term solution. Catalin Marinas would follow up with a better solution for longer term. The failure rate of kmemleak metadata allocation may increase in some circumstances, but this should be expected side effect. Link: http://lkml.kernel.org/r/1563299431-111710-1-git-send-email-yang.shi@linux.alibaba.com Fixes: d9570ee3bd1d4f2 ("kmemleak: allow to coexist with fault injection") Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com> Suggested-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: David Rientjes <rientjes@google.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Qian Cai <cai@lca.pw> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-08-03kernel/signal.c: fix a kernel-doc markupMauro Carvalho Chehab1-1/+1
The kernel-doc parser doesn't handle expressions with %foo*. Instead, when an asterisk should be part of a constant, it uses an alternative notation: `foo*`. Link: http://lkml.kernel.org/r/7f18c2e0b5e39e6b7eb55ddeb043b8b260b49f2d.1563361575.git.mchehab+samsung@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Cc: Deepa Dinamani <deepa.kernel@gmail.com> Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-08-02Merge tag 'gfs2-v5.3-rc2.fixes' of ↵Linus Torvalds1-3/+12
git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 Pull gfs2 fix from Andreas Gruenbacher: "Fix gfs2 cluster coherency bug" * tag 'gfs2-v5.3-rc2.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2: gfs2: Inode dirtying fix
2019-08-02Merge tag 'pm-5.3-rc3' of ↵Linus Torvalds1-1/+3
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fix from Rafael Wysocki: "Fix recent regression affecting ACPI device power management" * tag 'pm-5.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI: PM: Fix regression in acpi_device_set_power()
2019-08-02Merge tag 'sound-5.3-rc3' of ↵Linus Torvalds3-6/+9
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: - A further fix for syzcaller issues with USB-audio, addressing NULL dereference that was introduced by the recent fix - Avoid a long delay at boot with HD-audio when i915 module was built but not installed, found on some Debian systems - A fix of small race window at PCM draining * tag 'sound-5.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: usb-audio: Fix gpf in snd_usb_pipe_sanity_check ALSA: pcm: fix lost wakeup event scenarios in snd_pcm_drain ALSA: hda: Fix 1-minute detection delay when i915 module is not available
2019-08-02Merge tag 'drm-fixes-2019-08-02' of git://anongit.freedesktop.org/drm/drmLinus Torvalds19-116/+215
Pull drm fixes from Dave Airlie: "Thanks to Daniel for handling the email the last couple of weeks, flus and break-ins combined to derail me. Surprised nothing materialised today to take me out again. Just more amdgpu navi fixes, msm fixes and a single nouveau regression fix: amdgpu: - navi10 temperature and pstate fixes - vcn dynamic power management fix - CS ioctl error handling fix - debugfs info leak fix - amdkfd VegaM fix msm: - dma sync call fix - mdp5 dsi command mode fix - fall-through fixes - disabled GPU fix nouveau: - regression fix for displayport MST support" * tag 'drm-fixes-2019-08-02' of git://anongit.freedesktop.org/drm/drm: drm/nouveau: Only release VCPI slots on mode changes drm: msm: Fix add_gpu_components drm/msm: Annotate intentional switch statement fall throughs drm/msm: add support for per-CRTC max_vblank_count on mdp5 drm/msm: Use the correct dma_sync calls in msm_gem drm/amd/powerplay: correct UVD/VCE/VCN power status retrieval drm/amd/powerplay: correct Navi10 VCN powergate control (v2) drm/amd/powerplay: support VCN powergate status retrieval for SW SMU drm/amd/powerplay: support VCN powergate status retrieval on Raven drm/amd/powerplay: add new sensor type for VCN powergate status drm/amdgpu: fix a potential information leaking bug drm/amdgpu: fix error handling in amdgpu_cs_process_fence_dep drm/amd/powerplay: enable SW SMU reset functionality drm/amd/powerplay: fix null pointer dereference around dpm state relates drm/amdgpu/powerplay: use proper revision id for navi drm/amd/powerplay: fix temperature granularity error in smu11 drm/amd/powerplay: add callback function of get_thermal_temperature_range drm/amdkfd: Fix byte align on VegaM
2019-08-02Merge tag 'clk-fixes-for-linus' of ↵Linus Torvalds5-26/+40
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk fixes from Stephen Boyd: "A few fixes for code that came in during the merge window or that started getting exercised differently this time around: - Select regmap MMIO kconfig in spreadtrum driver to avoid compile errors - Complete kerneldoc on devm_clk_bulk_get_optional() - Register an essential clk earlier on mediatek mt8183 SoCs so the clocksource driver can use it - Fix divisor math in the at91 driver - Plug a race in Renesas reset control logic" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: renesas: cpg-mssr: Fix reset control race condition clk: sprd: Select REGMAP_MMIO to avoid compile errors clk: mediatek: mt8183: Register 13MHz clock earlier for clocksource clk: Add missing documentation of devm_clk_bulk_get_optional() argument clk: at91: generated: Truncate divisor to GENERATED_MAX_DIV + 1
2019-08-02Merge tag 'arm-swiotlb-5.3' of git://git.infradead.org/users/hch/dma-mappingLinus Torvalds5-3/+85
Pull arm swiotlb support from Christoph Hellwig: "This fixes a cascade of regressions that originally started with the addition of the ia64 port, but only got fatal once we removed most uses of block layer bounce buffering in Linux 4.18. The reason is that while the original i386/PAE code that was the first architecture that supported > 4GB of memory without an iommu decided to leave bounce buffering to the subsystems, which in those days just mean block and networking as no one else consumed arbitrary userspace memory. Later with ia64, x86_64 and other ports we assumed that either an iommu or something that fakes it up ("software IOTLB" in beautiful Intel speak) is present and that subsystems can rely on that for dealing with addressing limitations in devices. Except that the ARM LPAE scheme that added larger physical address to 32-bit ARM did not follow that scheme and thus only worked by chance and only for block and networking I/O directly to highmem. Long story, short fix - add swiotlb support to arm when build for LPAE platforms, which actuallys turns out to be pretty trivial with the modern dma-direct / swiotlb code to fix the Linux 4.18-ish regression" * tag 'arm-swiotlb-5.3' of git://git.infradead.org/users/hch/dma-mapping: arm: use swiotlb for bounce buffering on LPAE configs dma-mapping: check pfn validity in dma_common_{mmap,get_sgtable}
2019-08-02Merge tag 'dma-mapping-5.3-3' of git://git.infradead.org/users/hch/dma-mappingLinus Torvalds1-3/+5
Pull dma-mapping regression fixes from Christoph Hellwig: "Two related regression fixes for changes from this merge window to fix alignment issues introduced in the CMA allocation rework (Nicolin Chen)" * tag 'dma-mapping-5.3-3' of git://git.infradead.org/users/hch/dma-mapping: dma-contiguous: page-align the size in dma_free_contiguous() dma-contiguous: do not overwrite align in dma_alloc_contiguous()
2019-08-02Merge tag 'msm-fixes-2019_08_01' of https://gitlab.freedesktop.org/drm/msm ↵Dave Airlie7-8/+64
into drm-fixes - Fix the dma_sync calls applied last week (Rob) - Fix mdp5 dsi command mode (Brian) - Squash fall through warnings (Jordan) - Don't add disabled gpu nodes to the of device list (Jeffrey) Cc: Jeffrey Hugo <jeffrey.l.hugo@gmail.com> Cc: Jordan Crouse <jcrouse@codeaurora.org> Cc: Brian Masney <masneyb@onstation.org> Cc: Rob Clark <robdclark@chromium.org> Signed-off-by: Dave Airlie <airlied@redhat.com> # gpg: Signature made Fri 02 Aug 2019 05:54:27 AM AEST # gpg: using RSA key 96F70DFDA84A070A # gpg: Can't check signature: public key not found From: Sean Paul <sean@poorly.run> Link: https://patchwork.freedesktop.org/patch/msgid/20190801200439.GV104440@art_vandelay
2019-08-02drm/nouveau: Only release VCPI slots on mode changesLyude Paul1-1/+1
Looks like a regression got introduced into nv50_mstc_atomic_check() that somehow didn't get found until now. If userspace changes crtc_state->active to false but leaves the CRTC enabled, we end up calling drm_dp_atomic_find_vcpi_slots() using the PBN calculated in asyh->dp.pbn. However, if the display is inactive we end up calculating a PBN of 0, which inadvertently causes us to have an allocation of 0. >From there, if userspace then disables the CRTC afterwards we end up accidentally attempting to free the VCPI twice: WARNING: CPU: 0 PID: 1484 at drivers/gpu/drm/drm_dp_mst_topology.c:3336 drm_dp_atomic_release_vcpi_slots+0x87/0xb0 [drm_kms_helper] RIP: 0010:drm_dp_atomic_release_vcpi_slots+0x87/0xb0 [drm_kms_helper] Call Trace: drm_atomic_helper_check_modeset+0x3f3/0xa60 [drm_kms_helper] ? drm_atomic_check_only+0x43/0x780 [drm] drm_atomic_helper_check+0x15/0x90 [drm_kms_helper] nv50_disp_atomic_check+0x83/0x1d0 [nouveau] drm_atomic_check_only+0x54d/0x780 [drm] ? drm_atomic_set_crtc_for_connector+0xec/0x100 [drm] drm_atomic_commit+0x13/0x50 [drm] drm_atomic_helper_set_config+0x81/0x90 [drm_kms_helper] drm_mode_setcrtc+0x194/0x6a0 [drm] ? vprintk_emit+0x16a/0x230 ? drm_ioctl+0x163/0x390 [drm] ? drm_mode_getcrtc+0x180/0x180 [drm] drm_ioctl_kernel+0xaa/0xf0 [drm] drm_ioctl+0x208/0x390 [drm] ? drm_mode_getcrtc+0x180/0x180 [drm] nouveau_drm_ioctl+0x63/0xb0 [nouveau] do_vfs_ioctl+0x405/0x660 ? recalc_sigpending+0x17/0x50 ? _copy_from_user+0x37/0x60 ksys_ioctl+0x5e/0x90 ? exit_to_usermode_loop+0x92/0xe0 __x64_sys_ioctl+0x16/0x20 do_syscall_64+0x59/0x190 entry_SYSCALL_64_after_hwframe+0x44/0xa9 WARNING: CPU: 0 PID: 1484 at drivers/gpu/drm/drm_dp_mst_topology.c:3336 drm_dp_atomic_release_vcpi_slots+0x87/0xb0 [drm_kms_helper] ---[ end trace 4c395c0c51b1f88d ]--- [drm:drm_dp_atomic_release_vcpi_slots [drm_kms_helper]] *ERROR* no VCPI for [MST PORT:00000000e288eb7d] found in mst state 000000008e642070 So, fix this by doing what we probably should have done from the start: only call drm_dp_atomic_find_vcpi_slots() when crtc_state->mode_changed is set, so that VCPI allocations remain for as long as the CRTC is enabled. Signed-off-by: Lyude Paul <lyude@redhat.com> Fixes: 232c9eec417a ("drm/nouveau: Use atomic VCPI helpers for MST") Cc: Lyude Paul <lyude@redhat.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: David Airlie <airlied@redhat.com> Cc: Jerry Zuo <Jerry.Zuo@amd.com> Cc: Harry Wentland <harry.wentland@amd.com> Cc: Juston Li <juston.li@intel.com> Cc: Karol Herbst <karolherbst@gmail.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Ilia Mirkin <imirkin@alum.mit.edu> Cc: <stable@vger.kernel.org> # v5.1+ Acked-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190801220216.15323-1-lyude@redhat.com
2019-08-02Merge tag 'drm-fixes-5.3-2019-07-31' of ↵Dave Airlie11-107/+150
git://people.freedesktop.org/~agd5f/linux into drm-fixes drm-fixes-5.3-2019-07-31: amdgpu: - Fix temperature granularity for navi - Fix stable pstate setting for navi - Fix VCN DPM enablement on navi - Fix error handling on CS ioctl when processing dependencies - Fix possible information leak in debugfs amdkfd: - fix memory alignment for VegaM Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190731191648.25729-1-alexander.deucher@amd.com
2019-08-01ACPI: PM: Fix regression in acpi_device_set_power()Rafael J. Wysocki1-1/+3
Commit f850a48a0799 ("ACPI: PM: Allow transitions to D0 to occur in special cases") overlooked the fact that acpi_power_transition() may change the power.state value for the target device and if that happens, it may confuse acpi_device_set_power() and cause it to omit the _PS0 evaluation which on some systems is necessary to change power states of devices from low-power to D0. Fix that by saving the current value of power.state for the target device before passing it to acpi_power_transition() and using the saved value in a subsequent check. Fixes: f850a48a0799 ("ACPI: PM: Allow transitions to D0 to occur in special cases") Reported-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Reported-by: Mario Limonciello <mario.limonciello@dell.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Tested-by: Mario Limonciello <mario.limonciello@dell.com>
2019-08-01drm: msm: Fix add_gpu_componentsJeffrey Hugo1-1/+2
add_gpu_components() adds found GPU nodes from the DT to the match list, regardless of the status of the nodes. This is a problem, because if the nodes are disabled, they should not be on the match list because they will not be matched. This prevents display from initing if a GPU node is defined, but it's status is disabled. Fix this by checking the node's status before adding it to the match list. Fixes: dc3ea265b856 (drm/msm: Drop the gpu binding) Reviewed-by: Rob Clark <robdclark@gmail.com> Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190626180015.45242-1-jeffrey.l.hugo@gmail.com
2019-08-01drm/msm: Annotate intentional switch statement fall throughsJordan Crouse3-0/+4
Explicitly mark intentional fall throughs in switch statements to keep -Wimplicit-fallthrough from complaining. Reviewed-by: Rob Clark <robdclark@gmail.com> Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/1564073588-27386-1-git-send-email-jcrouse@codeaurora.org
2019-08-01drm/msm: add support for per-CRTC max_vblank_count on mdp5Brian Masney2-2/+16
The mdp5 drm/kms driver currently does not work on command-mode DSI panels due to 'vblank wait timed out' errors. This causes a latency of seconds, or tens of seconds in some cases, before content is shown on the panel. This hardware does not have the something that we can use as a frame counter available when running in command mode, so we need to fall back to using timestamps by setting the max_vblank_count to zero. This can be done on a per-CRTC basis, so the convert mdp5 to use drm_crtc_set_max_vblank_count(). This change was tested on a LG Nexus 5 (hammerhead) phone. Suggested-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com> Reviewed-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com> Signed-off-by: Brian Masney <masneyb@onstation.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190531094619.31704-3-masneyb@onstation.org
2019-08-01Merge tag 'mmc-v5.3-rc1' of ↵Linus Torvalds4-3/+8
git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc Pull MMC fixes from Ulf Hansson: - sdhci-sprd: Add a missing pm_runtime_put_noidle() to fix deferred probe - dw_mmc: Fix occasional hang after tuning on eMMC - meson-mx-sdio: Fix misuse of GENMASK macro - mmc_spi: Fix CRC problems for writes by using BDI_CAP_STABLE_WRITES * tag 'mmc-v5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: mmc_spi: Enable stable writes mmc: meson-mx-sdio: Fix misuse of GENMASK macro mmc: dw_mmc: Fix occasional hang after tuning on eMMC mmc: host: sdhci-sprd: Fix the missing pm_runtime_put_noidle()
2019-08-01Merge tag 'gpio-v5.3-3' of ↵Linus Torvalds2-40/+47
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO fixes from Linus Walleij: "Three GPIO fixes, all touching the core, so quite important: - Fix the request of active low GPIO line events. - Don't issue WARN() stuff on NULL descriptors if the GPIOLIB is disabled. - Preserve the descriptor flags when setting the initial direction on lines" * tag 'gpio-v5.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpiolib: Preserve desc->flags when setting state gpio: don't WARN() on NULL descs if gpiolib is disabled gpiolib: fix incorrect IRQ requesting of an active-low lineevent
2019-07-31drm/msm: Use the correct dma_sync calls in msm_gemRob Clark1-5/+42
[subject was: drm/msm: shake fist angrily at dma-mapping] So, using dma_sync_* for our cache needs works out w/ dma iommu ops, but it falls appart with dma direct ops. The problem is that, depending on display generation, we can have either set of dma ops (mdp4 and dpu have iommu wired to mdss node, which maps to toplevel drm device, but mdp5 has iommu wired up to the mdp sub-node within mdss). Fixes this splat on mdp5 devices: Unable to handle kernel paging request at virtual address ffffffff80000000 Mem abort info: ESR = 0x96000144 Exception class = DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 Data abort info: ISV = 0, ISS = 0x00000144 CM = 1, WnR = 1 swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000810e4000 [ffffffff80000000] pgd=0000000000000000 Internal error: Oops: 96000144 [#1] SMP Modules linked in: btqcomsmd btqca bluetooth cfg80211 ecdh_generic ecc rfkill libarc4 panel_simple msm wcnss_ctrl qrtr_smd drm_kms_helper venus_enc venus_dec videobuf2_dma_sg videobuf2_memops drm venus_core ipv6 qrtr qcom_wcnss_pil v4l2_mem2mem qcom_sysmon videobuf2_v4l2 qmi_helpers videobuf2_common crct10dif_ce mdt_loader qcom_common videodev qcom_glink_smem remoteproc bmc150_accel_i2c bmc150_magn_i2c bmc150_accel_core bmc150_magn snd_soc_lpass_apq8016 snd_soc_msm8916_analog mms114 mc nf_defrag_ipv6 snd_soc_lpass_cpu snd_soc_apq8016_sbc industrialio_triggered_buffer kfifo_buf snd_soc_lpass_platform snd_soc_msm8916_digital drm_panel_orientation_quirks CPU: 2 PID: 33 Comm: kworker/2:1 Not tainted 5.3.0-rc2 #1 Hardware name: Samsung Galaxy A5U (EUR) (DT) Workqueue: events deferred_probe_work_func pstate: 80000005 (Nzcv daif -PAN -UAO) pc : __clean_dcache_area_poc+0x20/0x38 lr : arch_sync_dma_for_device+0x28/0x30 sp : ffff0000115736a0 x29: ffff0000115736a0 x28: 0000000000000001 x27: ffff800074830800 x26: ffff000011478000 x25: 0000000000000000 x24: 0000000000000001 x23: ffff000011478a98 x22: ffff800009fd1c10 x21: 0000000000000001 x20: ffff800075ad0a00 x19: 0000000000000000 x18: ffff0000112b2000 x17: 0000000000000000 x16: 0000000000000000 x15: 00000000fffffff0 x14: ffff000011455d70 x13: 0000000000000000 x12: 0000000000000028 x11: 0000000000000001 x10: ffff00001106c000 x9 : ffff7e0001d6b380 x8 : 0000000000001000 x7 : ffff7e0001d6b380 x6 : ffff7e0001d6b382 x5 : 0000000000000000 x4 : 0000000000001000 x3 : 000000000000003f x2 : 0000000000000040 x1 : ffffffff80001000 x0 : ffffffff80000000 Call trace: __clean_dcache_area_poc+0x20/0x38 dma_direct_sync_sg_for_device+0xb8/0xe8 get_pages+0x22c/0x250 [msm] msm_gem_get_and_pin_iova+0xdc/0x168 [msm] ... Fixes the combination of two patches: Fixes: 0036bc73ccbe (drm/msm: stop abusing dma_map/unmap for cache) Fixes: 449fa54d6815 (dma-direct: correct the physical addr in dma_direct_sync_sg_for_cpu/device) Tested-by: Stephan Gerhold <stephan@gerhold.net> Signed-off-by: Rob Clark <robdclark@chromium.org> [seanpaul changed subject to something more desriptive] Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190730214633.17820-1-robdclark@gmail.com
2019-07-31Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds1-4/+1
Pull mount_capable() fix from Al Viro. * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: Unbreak mount_capable()
2019-07-31Bluetooth: hci_uart: check for missing tty operationsVladis Dronov7-0/+29
Certain ttys operations (pty_unix98_ops) lack tiocmget() and tiocmset() functions which are called by the certain HCI UART protocols (hci_ath, hci_bcm, hci_intel, hci_mrvl, hci_qca) via hci_uart_set_flow_control() or directly. This leads to an execution at NULL and can be triggered by an unprivileged user. Fix this by adding a helper function and a check for the missing tty operations in the protocols code. This fixes CVE-2019-10207. The Fixes: lines list commits where calls to tiocm[gs]et() or hci_uart_set_flow_control() were added to the HCI UART protocols. Link: https://syzkaller.appspot.com/bug?id=1b42faa2848963564a5b1b7f8c837ea7b55ffa50 Reported-by: syzbot+79337b501d6aa974d0f6@syzkaller.appspotmail.com Cc: stable@vger.kernel.org # v2.6.36+ Fixes: b3190df62861 ("Bluetooth: Support for Atheros AR300x serial chip") Fixes: 118612fb9165 ("Bluetooth: hci_bcm: Add suspend/resume PM functions") Fixes: ff2895592f0f ("Bluetooth: hci_intel: Add Intel baudrate configuration support") Fixes: 162f812f23ba ("Bluetooth: hci_uart: Add Marvell support") Fixes: fa9ad876b8e0 ("Bluetooth: hci_qca: Add support for Qualcomm Bluetooth chip wcn3990") Signed-off-by: Vladis Dronov <vdronov@redhat.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Reviewed-by: Yu-Chen, Cho <acho@suse.com> Tested-by: Yu-Chen, Cho <acho@suse.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-07-31mm: slub: Fix slab walking for init_on_freeLaura Abbott1-2/+6
To properly clear the slab on free with slab_want_init_on_free, we walk the list of free objects using get_freepointer/set_freepointer. The value we get from get_freepointer may not be valid. This isn't an issue since an actual value will get written later but this means there's a chance of triggering a bug if we use this value with set_freepointer: kernel BUG at mm/slub.c:306! invalid opcode: 0000 [#1] PREEMPT PTI CPU: 0 PID: 0 Comm: swapper Not tainted 5.2.0-05754-g6471384a #4 RIP: 0010:kfree+0x58a/0x5c0 Code: 48 83 05 78 37 51 02 01 0f 0b 48 83 05 7e 37 51 02 01 48 83 05 7e 37 51 02 01 48 83 05 7e 37 51 02 01 48 83 05 d6 37 51 02 01 <0f> 0b 48 83 05 d4 37 51 02 01 48 83 05 d4 37 51 02 01 48 83 05 d4 RSP: 0000:ffffffff82603d90 EFLAGS: 00010002 RAX: ffff8c3976c04320 RBX: ffff8c3976c04300 RCX: 0000000000000000 RDX: ffff8c3976c04300 RSI: 0000000000000000 RDI: ffff8c3976c04320 RBP: ffffffff82603db8 R08: 0000000000000000 R09: 0000000000000000 R10: ffff8c3976c04320 R11: ffffffff8289e1e0 R12: ffffd52cc8db0100 R13: ffff8c3976c01a00 R14: ffffffff810f10d4 R15: ffff8c3976c04300 FS: 0000000000000000(0000) GS:ffffffff8266b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8c397ffff000 CR3: 0000000125020000 CR4: 00000000000406b0 Call Trace: apply_wqattrs_prepare+0x154/0x280 apply_workqueue_attrs_locked+0x4e/0xe0 apply_workqueue_attrs+0x36/0x60 alloc_workqueue+0x25a/0x6d0 workqueue_init_early+0x246/0x348 start_kernel+0x3c7/0x7ec x86_64_start_reservations+0x40/0x49 x86_64_start_kernel+0xda/0xe4 secondary_startup_64+0xb6/0xc0 Modules linked in: ---[ end trace f67eb9af4d8d492b ]--- Fix this by ensuring the value we set with set_freepointer is either NULL or another value in the chain. Reported-by: kernel test robot <rong.a.chen@intel.com> Signed-off-by: Laura Abbott <labbott@redhat.com> Fixes: 6471384af2a6 ("mm: security: introduce init_on_alloc=1 and init_on_free=1 boot options") Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-07-31Merge tag 'trace-v5.3-rc2' of ↵Linus Torvalds5-17/+14
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fixes from Steven Rostedt: "Two minor fixes: - Fix trace event header include guards, as several did not match the #define to the #ifdef - Remove a redundant test to ftrace_graph_notrace_addr() that was accidentally added" * tag 'trace-v5.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: fgraph: Remove redundant ftrace_graph_notrace_addr() test tracing: Fix header include guards in trace event headers
2019-07-31Merge tag 'for-linus-5.3-2' of git://github.com/cminyard/linux-ipmiLinus Torvalds1-1/+1
Pull IPMI fix from Corey Minyard: "One necessary fix for an uninitialized variable in the new IPMB driver. Nothing else has come in besides things that need to wait until later" * tag 'for-linus-5.3-2' of git://github.com/cminyard/linux-ipmi: Fix uninitialized variable in ipmb_dev_int.c
2019-07-31gfs2: Inode dirtying fixAndreas Gruenbacher1-3/+12
With the recent iomap write page reclaim deadlock fix, it turns out that the GLF_DIRTY flag isn't always set when it needs to be anymore: previously, this happened as a side effect of always adding the inode buffer head to the current transaction with gfs2_trans_add_meta, but this isn't happening consistently anymore. Fix by removing an additional unnecessary gfs2_trans_add_meta call and by setting the GLF_DIRTY flag in gfs2_iomap_end. (The GLF_DIRTY flag causes inode_go_sync to flush the transaction log when syncing out the glock of that inode. When the flag isn't set, inode_go_sync will skip inodes, including ones with an i_state of I_DIRTY_PAGES, which will lead to cluster incoherency.) In addition, in gfs2_iomap_page_done, if the metadata has changed, mark the inode as I_DIRTY_DATASYNC to have the inode added to the current transaction: we don't expect metadata to change here, but let's err on the safe side. Fixes: d0a22a4b03b8 ("gfs2: Fix iomap write page reclaim deadlock"); Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
2019-07-31Unbreak mount_capable()Al Viro1-4/+1
In "consolidate the capability checks in sget_{fc,userns}())" the wrong argument had been passed to mount_capable() by sget_fc(). That mistake had been further obscured later, when switching mount_capable() to fs_context has moved the calculation of bogus argument from sget_fc() to mount_capable() itself. It should've been fc->user_ns all along. Screwed-up-by: Al Viro <viro@zeniv.linux.org.uk> Reported-by: Christian Brauner <christian@brauner.io> Tested-by: Christian Brauner <christian@brauner.io> Reviewed-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-07-31drm/amd/powerplay: correct UVD/VCE/VCN power status retrievalEvan Quan1-20/+36
VCN should be used for Vega20 later ASICs while UVD and VCE are for previous ASICs. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Kenneth Feng <kenneth.feng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-07-31drm/amd/powerplay: correct Navi10 VCN powergate control (v2)Evan Quan1-18/+10
No VCN DPM bit check as that's different from VCN PG. Also no extra check for possible double enablement/disablement as that's already done by VCN. v2: check return value of smu_feature_set_enabled Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Kenneth Feng <kenneth.feng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-07-31drm/amd/powerplay: support VCN powergate status retrieval for SW SMUEvan Quan1-0/+4
Commonly used for VCN powergate status retrieval for SW SMU. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Kenneth Feng <kenneth.feng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-07-31drm/amd/powerplay: support VCN powergate status retrieval on RavenEvan Quan1-0/+9
Enable VCN powergate status report on Raven. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Kenneth Feng <kenneth.feng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-07-31drm/amd/powerplay: add new sensor type for VCN powergate statusEvan Quan1-0/+1
VCN is widely used in new ASICs and different from tranditional UVD and VCE. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Kenneth Feng <kenneth.feng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-07-31drm/amdgpu: fix a potential information leaking bugWang Xiayang1-1/+1
Coccinelle reports a path that the array "data" is never initialized. The path skips the checks in the conditional branches when either of callback functions, read_wave_vgprs and read_wave_sgprs, is not registered. Later, the uninitialized "data" array is read in the while-loop below and passed to put_user(). Fix the path by allocating the array with kcalloc(). The patch is simplier than adding a fall-back branch that explicitly calls memset(data, 0, ...). Also it does not need the multiplication 1024*sizeof(*data) as the size parameter for memset() though there is no risk of integer overflow. Signed-off-by: Wang Xiayang <xywang.sjtu@sjtu.edu.cn> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-07-31drm/amdgpu: fix error handling in amdgpu_cs_process_fence_depChristian König1-14/+12
We always need to drop the ctx reference and should check for errors first and then dereference the fence pointer. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-07-31drm/amd/powerplay: enable SW SMU reset functionalityEvan Quan1-7/+9
Move SMU irq handler register to sw_init as that's totally software related. Otherwise, it will prevent SMU reset working. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Kenneth Feng <kenneth.feng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-07-31drm/amd/powerplay: fix null pointer dereference around dpm state relatesEvan Quan2-6/+15
DPM state relates are not supported on the new SW SMU ASICs. But still it's not OK to trigger null pointer dereference on accessing them. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-07-31drm/amdgpu/powerplay: use proper revision id for naviAlex Deucher1-1/+2
The PCI revision id determines the sku. Reviewed-by: Feifei Xu <Feifei.Xu@amd.com> Reviewed-by: Kevin Wang <kevin1.wang@amd.com> Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-07-31drm/amd/powerplay: fix temperature granularity error in smu11Kevin Wang1-9/+9
in this patch, drm/amd/powerplay: add callback function of get_thermal_temperature_range the driver missed temperature granularity change on other temperature. Signed-off-by: Kevin Wang <kevin1.wang@amd.com> Reviewed-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Kenneth Feng <kenneth.feng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-07-31drm/amd/powerplay: add callback function of get_thermal_temperature_rangeKevin Wang4-30/+40
1. the thermal temperature is asic related data, move the code logic to xxx_ppt.c. 2. replace data structure PP_TemperatureRange with smu_temperature_range. 3. change temperature uint from temp*1000 to temp (temperature uint). Signed-off-by: Kevin Wang <kevin1.wang@amd.com> Signed-off-by: Kenneth Feng <kenneth.feng@amd.com> Acked-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-07-30drm/amdkfd: Fix byte align on VegaMKent Russell1-1/+2
This was missed during the addition of VegaM support Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Kent Russell <kent.russell@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-07-30fgraph: Remove redundant ftrace_graph_notrace_addr() testChangbin Du1-10/+7
We already have tested it before. The second one should be removed. With this change, the performance should have little improvement. Link: http://lkml.kernel.org/r/20190730140850.7927-1-changbin.du@gmail.com Cc: stable@vger.kernel.org Fixes: 9cd2992f2d6c ("fgraph: Have set_graph_notrace only affect function_graph tracer") Signed-off-by: Changbin Du <changbin.du@gmail.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2019-07-30tracing: Fix header include guards in trace event headersMasahiro Yamada4-7/+7
These include guards are broken. Match the #if !define() and #define lines so that they work correctly. Link: http://lkml.kernel.org/r/20190720103943.16982-1-yamada.masahiro@socionext.com Fixes: f54d1867005c3 ("dma-buf: Rename struct fence to dma_fence") Fixes: 2e26ca7150a4f ("tracing: Fix tracepoint.h DECLARE_TRACE() to allow more than one header") Fixes: e543002f77f46 ("qdisc: add tracepoint qdisc:qdisc_dequeue for dequeued SKBs") Fixes: 95f295f9fe081 ("dmaengine: tegra: add tracepoints to driver") Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2019-07-30Merge branch 'dax-fix-5.3-rc3' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull dax fix from Dan Williams: "Fix a botched manual patch update that got dropped between testing and application" * 'dax-fix-5.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: dax: Fix missed wakeup in put_unlocked_entry()
2019-07-30Merge tag 'for-linus-20190730' of ↵Linus Torvalds3-7/+5
git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux Pull pidfd fixes from Christian Brauner: "This makes setting the exit_state in exit_notify() consistent after fixing the pidfd polling race pre-rc1. Related to the race fix, this adds a WARN_ON() to do_notify_pidfd() to catch any future exit_state races. Last, this removes an obsolete comment from the pidfd tests" * tag 'for-linus-20190730' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux: exit: make setting exit_state consistent pidfd: Add warning if exit_state is 0 during notification pidfd: remove obsolete comments from test
2019-07-30Merge tag 'f2fs-for-5.4-rc3' of ↵Linus Torvalds3-100/+81
git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs Pull f2fs fixes from Jaegeuk Kim: "This set of patches adjust to follow recent setflags changes and fix two regressions" * tag 'f2fs-for-5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: f2fs: use EINVAL for superblock with invalid magic f2fs: fix to read source block before invalidating it f2fs: remove redundant check from f2fs_setflags_common() f2fs: use generic checking function for FS_IOC_FSSETXATTR f2fs: use generic checking and prep function for FS_IOC_SETFLAGS
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