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2020-07-24MAINTAINERS: add KCOV sectionAndrey Konovalov1-0/+11
To link KCOV to the kasan-dev@ mailing list. Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Dmitry Vyukov <dvyukov@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Marco Elver <elver@google.com> Link: http://lkml.kernel.org/r/5fa344db7ac4af2213049e5656c0f43d6ecaa379.1595331682.git.andreyknvl@google.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-07-24io-mapping: indicate mapping failureMichael J. Ruhl1-1/+4
The !ATOMIC_IOMAP version of io_maping_init_wc will always return success, even when the ioremap fails. Since the ATOMIC_IOMAP version returns NULL when the init fails, and callers check for a NULL return on error this is unexpected. During a device probe, where the ioremap failed, a crash can look like this: BUG: unable to handle page fault for address: 0000000000210000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page Oops: 0002 [#1] PREEMPT SMP CPU: 0 PID: 177 Comm: RIP: 0010:fill_page_dma [i915] gen8_ppgtt_create [i915] i915_ppgtt_create [i915] intel_gt_init [i915] i915_gem_init [i915] i915_driver_probe [i915] pci_device_probe really_probe driver_probe_device The remap failure occurred much earlier in the probe. If it had been propagated, the driver would have exited with an error. Return NULL on ioremap failure. [akpm@linux-foundation.org: detect ioremap_wc() errors earlier] Fixes: cafaf14a5d8f ("io-mapping: Always create a struct to hold metadata about the io-mapping") Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Mike Rapoport <rppt@linux.ibm.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: <stable@vger.kernel.org> Link: http://lkml.kernel.org/r/20200721171936.81563-1-michael.j.ruhl@intel.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-07-24scripts/decode_stacktrace: strip basepath from all pathsPi-Hsun Shih1-2/+2
Currently the basepath is removed only from the beginning of the string. When the symbol is inlined and there's multiple line outputs of addr2line, only the first line would have basepath removed. Change to remove the basepath prefix from all lines. Fixes: 31013836a71e ("scripts/decode_stacktrace: match basepath using shell prefix operator, not regex") Co-developed-by: Shik Chen <shik@chromium.org> Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org> Signed-off-by: Shik Chen <shik@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Cc: Sasha Levin <sashal@kernel.org> Cc: Nicolas Boichat <drinkcat@chromium.org> Cc: Jiri Slaby <jslaby@suse.cz> Link: http://lkml.kernel.org/r/20200720082709.252805-1-pihsun@chromium.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-07-24squashfs: fix length field overlap check in metadata readingPhillip Lougher1-1/+1
This is a regression introduced by the "migrate from ll_rw_block usage to BIO" patch. Squashfs packs structures on byte boundaries, and due to that the length field (of the metadata block) may not be fully in the current block. The new code rewrote and introduced a faulty check for that edge case. Fixes: 93e72b3c612adcaca1 ("squashfs: migrate from ll_rw_block usage to BIO") Reported-by: Bernd Amend <bernd.amend@gmail.com> Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Adrien Schildknecht <adrien+dev@schischi.me> Cc: Guenter Roeck <groeck@chromium.org> Cc: Daniel Rosenberg <drosen@google.com> Link: http://lkml.kernel.org/r/20200717195536.16069-1-phillip@squashfs.org.uk Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-07-24mailmap: add entry for Mike RapoportMike Rapoport1-0/+3
Add an entry to correct my email addresses. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/r/20200708095414.12275-1-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-07-24khugepaged: fix null-pointer dereference due to raceKirill A. Shutemov1-0/+3
khugepaged has to drop mmap lock several times while collapsing a page. The situation can change while the lock is dropped and we need to re-validate that the VMA is still in place and the PMD is still subject for collapse. But we miss one corner case: while collapsing an anonymous pages the VMA could be replaced with file VMA. If the file VMA doesn't have any private pages we get NULL pointer dereference: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] anon_vma_lock_write include/linux/rmap.h:120 [inline] collapse_huge_page mm/khugepaged.c:1110 [inline] khugepaged_scan_pmd mm/khugepaged.c:1349 [inline] khugepaged_scan_mm_slot mm/khugepaged.c:2110 [inline] khugepaged_do_scan mm/khugepaged.c:2193 [inline] khugepaged+0x3bba/0x5a10 mm/khugepaged.c:2238 The fix is to make sure that the VMA is anonymous in hugepage_vma_revalidate(). The helper is only used for collapsing anonymous pages. Fixes: 99cb0dbd47a1 ("mm,thp: add read-only THP support for (non-shmem) FS") Reported-by: syzbot+ed318e8b790ca72c5ad0@syzkaller.appspotmail.com Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: David Hildenbrand <david@redhat.com> Acked-by: Yang Shi <yang.shi@linux.alibaba.com> Cc: <stable@vger.kernel.org> Link: http://lkml.kernel.org/r/20200722121439.44328-1-kirill.shutemov@linux.intel.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-07-24mm/hugetlb: avoid hardcoding while checking if cma is enabledBarry Song1-5/+10
hugetlb_cma[0] can be NULL due to various reasons, for example, node0 has no memory. so NULL hugetlb_cma[0] doesn't necessarily mean cma is not enabled. gigantic pages might have been reserved on other nodes. This patch fixes possible double reservation and CMA leak. [akpm@linux-foundation.org: fix CONFIG_CMA=n warning] [sfr@canb.auug.org.au: better checks before using hugetlb_cma] Link: http://lkml.kernel.org/r/20200721205716.6dbaa56b@canb.auug.org.au Fixes: cf11e85fc08c ("mm: hugetlb: optionally allocate gigantic hugepages using cma") Signed-off-by: Barry Song <song.bao.hua@hisilicon.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Acked-by: Roman Gushchin <guro@fb.com> Cc: Jonathan Cameron <jonathan.cameron@huawei.com> Cc: <stable@vger.kernel.org> Link: http://lkml.kernel.org/r/20200710005726.36068-1-song.bao.hua@hisilicon.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-07-24mm: memcg/slab: fix memory leak at non-root kmem_cache destroyMuchun Song1-7/+28
If the kmem_cache refcount is greater than one, we should not mark the root kmem_cache as dying. If we mark the root kmem_cache dying incorrectly, the non-root kmem_cache can never be destroyed. It resulted in memory leak when memcg was destroyed. We can use the following steps to reproduce. 1) Use kmem_cache_create() to create a new kmem_cache named A. 2) Coincidentally, the kmem_cache A is an alias for kmem_cache B, so the refcount of B is just increased. 3) Use kmem_cache_destroy() to destroy the kmem_cache A, just decrease the B's refcount but mark the B as dying. 4) Create a new memory cgroup and alloc memory from the kmem_cache B. It leads to create a non-root kmem_cache for allocating memory. 5) When destroy the memory cgroup created in the step 4), the non-root kmem_cache can never be destroyed. If we repeat steps 4) and 5), this will cause a lot of memory leak. So only when refcount reach zero, we mark the root kmem_cache as dying. Fixes: 92ee383f6daa ("mm: fix race between kmem_cache destroy, create and deactivate") Signed-off-by: Muchun Song <songmuchun@bytedance.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Shakeel Butt <shakeelb@google.com> Acked-by: Roman Gushchin <guro@fb.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Shakeel Butt <shakeelb@google.com> Cc: <stable@vger.kernel.org> Link: http://lkml.kernel.org/r/20200716165103.83462-1-songmuchun@bytedance.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-07-24mm/memcg: fix refcount error while moving and swappingHugh Dickins1-2/+2
It was hard to keep a test running, moving tasks between memcgs with move_charge_at_immigrate, while swapping: mem_cgroup_id_get_many()'s refcount is discovered to be 0 (supposedly impossible), so it is then forced to REFCOUNT_SATURATED, and after thousands of warnings in quick succession, the test is at last put out of misery by being OOM killed. This is because of the way moved_swap accounting was saved up until the task move gets completed in __mem_cgroup_clear_mc(), deferred from when mem_cgroup_move_swap_account() actually exchanged old and new ids. Concurrent activity can free up swap quicker than the task is scanned, bringing id refcount down 0 (which should only be possible when offlining). Just skip that optimization: do that part of the accounting immediately. Fixes: 615d66c37c75 ("mm: memcontrol: fix memcg id ref counter on swap charge move") Signed-off-by: Hugh Dickins <hughd@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Alex Shi <alex.shi@linux.alibaba.com> Cc: Shakeel Butt <shakeelb@google.com> Cc: Michal Hocko <mhocko@suse.com> Cc: <stable@vger.kernel.org> Link: http://lkml.kernel.org/r/alpine.LSU.2.11.2007071431050.4726@eggly.anvils Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-07-24mm/memcontrol: fix OOPS inside mem_cgroup_get_nr_swap_pages()Bhupesh Sharma1-1/+8
Prabhakar reported an OOPS inside mem_cgroup_get_nr_swap_pages() function in a corner case seen on some arm64 boards when kdump kernel runs with "cgroup_disable=memory" passed to the kdump kernel via bootargs. The root-cause behind the same is that currently mem_cgroup_swap_init() function is implemented as a subsys_initcall() call instead of a core_initcall(), this means 'cgroup_memory_noswap' still remains set to the default value (false) even when memcg is disabled via "cgroup_disable=memory" boot parameter. This may result in premature OOPS inside mem_cgroup_get_nr_swap_pages() function in corner cases: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000188 Mem abort info: ESR = 0x96000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 [0000000000000188] user address but active_mm is swapper Internal error: Oops: 96000006 [#1] SMP Modules linked in: <..snip..> Call trace: mem_cgroup_get_nr_swap_pages+0x9c/0xf4 shrink_lruvec+0x404/0x4f8 shrink_node+0x1a8/0x688 do_try_to_free_pages+0xe8/0x448 try_to_free_pages+0x110/0x230 __alloc_pages_slowpath.constprop.106+0x2b8/0xb48 __alloc_pages_nodemask+0x2ac/0x2f8 alloc_page_interleave+0x20/0x90 alloc_pages_current+0xdc/0xf8 atomic_pool_expand+0x60/0x210 __dma_atomic_pool_init+0x50/0xa4 dma_atomic_pool_init+0xac/0x158 do_one_initcall+0x50/0x218 kernel_init_freeable+0x22c/0x2d0 kernel_init+0x18/0x110 ret_from_fork+0x10/0x18 Code: aa1403e3 91106000 97f82a27 14000011 (f940c663) ---[ end trace 9795948475817de4 ]--- Kernel panic - not syncing: Fatal exception Rebooting in 10 seconds.. Fixes: eccb52e78809 ("mm: memcontrol: prepare swap controller setup for integration") Reported-by: Prabhakar Kushwaha <pkushwaha@marvell.com> Signed-off-by: Bhupesh Sharma <bhsharma@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Vladimir Davydov <vdavydov.dev@gmail.com> Cc: James Morse <james.morse@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Link: http://lkml.kernel.org/r/1593641660-13254-2-git-send-email-bhsharma@redhat.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-07-24mm: initialize return of vm_insert_pagesTom Rix1-1/+1
clang static analysis reports a garbage return In file included from mm/memory.c:84: mm/memory.c:1612:2: warning: Undefined or garbage value returned to caller [core.uninitialized.UndefReturn] return err; ^~~~~~~~~~ The setting of err depends on a loop executing. So initialize err. Signed-off-by: Tom Rix <trix@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/r/20200703155354.29132-1-trix@redhat.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-07-24vfs/xattr: mm/shmem: kernfs: release simple xattr entry in a right wayChengguang Xu2-2/+3
After commit fdc85222d58e ("kernfs: kvmalloc xattr value instead of kmalloc"), simple xattr entry is allocated with kvmalloc() instead of kmalloc(), so we should release it with kvfree() instead of kfree(). Fixes: fdc85222d58e ("kernfs: kvmalloc xattr value instead of kmalloc") Signed-off-by: Chengguang Xu <cgxu519@mykernel.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Hugh Dickins <hughd@google.com> Acked-by: Tejun Heo <tj@kernel.org> Cc: Daniel Xu <dxu@dxuuu.xyz> Cc: Chris Down <chris@chrisdown.name> Cc: Andreas Dilger <adilger@dilger.ca> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: <stable@vger.kernel.org> [5.7] Link: http://lkml.kernel.org/r/20200704051608.15043-1-cgxu519@mykernel.net Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-07-24mm/mmap.c: close race between munmap() and expand_upwards()/downwards()Kirill A. Shutemov1-2/+14
VMA with VM_GROWSDOWN or VM_GROWSUP flag set can change their size under mmap_read_lock(). It can lead to race with __do_munmap(): Thread A Thread B __do_munmap() detach_vmas_to_be_unmapped() mmap_write_downgrade() expand_downwards() vma->vm_start = address; // The VMA now overlaps with // VMAs detached by the Thread A // page fault populates expanded part // of the VMA unmap_region() // Zaps pagetables partly // populated by Thread B Similar race exists for expand_upwards(). The fix is to avoid downgrading mmap_lock in __do_munmap() if detached VMAs are next to VM_GROWSDOWN or VM_GROWSUP VMA. [akpm@linux-foundation.org: s/mmap_sem/mmap_lock/ in comment] Fixes: dd2283f2605e ("mm: mmap: zap pages with read mmap_sem in munmap") Reported-by: Jann Horn <jannh@google.com> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Yang Shi <yang.shi@linux.alibaba.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: <stable@vger.kernel.org> [4.20+] Link: http://lkml.kernel.org/r/20200709105309.42495-1-kirill.shutemov@linux.intel.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-07-23i2c: i2c-qcom-geni: Fix DMA transfer raceDouglas Anderson1-2/+4
When I have KASAN enabled on my kernel and I start stressing the touchscreen my system tends to hang. The touchscreen is one of the only things that does a lot of big i2c transfers and ends up hitting the DMA paths in the geni i2c driver. It appears that KASAN adds enough delay in my system to tickle a race condition in the DMA setup code. When the system hangs, I found that it was running the geni_i2c_irq() over and over again. It had these: m_stat = 0x04000080 rx_st = 0x30000011 dm_tx_st = 0x00000000 dm_rx_st = 0x00000000 dma = 0x00000001 Notably we're in DMA mode but are getting M_RX_IRQ_EN and M_RX_FIFO_WATERMARK_EN over and over again. Putting some traces in geni_i2c_rx_one_msg() showed that when we failed we were getting to the start of geni_i2c_rx_one_msg() but were never executing geni_se_rx_dma_prep(). I believe that the problem here is that we are starting the geni command before we run geni_se_rx_dma_prep(). If a transfer makes it far enough before we do that then we get into the state I have observed. Let's change the order, which seems to work fine. Although problems were seen on the RX path, code inspection suggests that the TX should be changed too. Change it as well. Fixes: 37692de5d523 ("i2c: i2c-qcom-geni: Add bus driver for the Qualcomm GENI I2C controller") Signed-off-by: Douglas Anderson <dianders@chromium.org> Tested-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> Reviewed-by: Akash Asthana <akashast@codeaurora.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Reviewed-by: Mukesh Kumar Savaliya <msavaliy@codeaurora.org> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-07-23i2c: rcar: always clear ICSAR to avoid side effectsWolfram Sang1-0/+3
On R-Car Gen2, we get a timeout when reading from the address set in ICSAR, even though the slave interface is disabled. Clearing it fixes this situation. Note that Gen3 is not affected. To reproduce: bind and undbind an I2C slave on some bus, run 'i2cdetect' on that bus. Fixes: de20d1857dd6 ("i2c: rcar: add slave support") Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-07-23dm integrity: fix integrity recalculation that is improperly skippedMikulas Patocka3-2/+20
Commit adc0daad366b62ca1bce3e2958a40b0b71a8b8b3 ("dm: report suspended device during destroy") broke integrity recalculation. The problem is dm_suspended() returns true not only during suspend, but also during resume. So this race condition could occur: 1. dm_integrity_resume calls queue_work(ic->recalc_wq, &ic->recalc_work) 2. integrity_recalc (&ic->recalc_work) preempts the current thread 3. integrity_recalc calls if (unlikely(dm_suspended(ic->ti))) goto unlock_ret; 4. integrity_recalc exits and no recalculating is done. To fix this race condition, add a function dm_post_suspending that is only true during the postsuspend phase and use it instead of dm_suspended(). Signed-off-by: Mikulas Patocka <mpatocka redhat com> Fixes: adc0daad366b ("dm: report suspended device during destroy") Cc: stable vger kernel org # v4.18+ Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2020-07-23io_uring: missed req_init_async() for IOSQE_ASYNCPavel Begunkov1-0/+1
IOSQE_ASYNC branch of io_queue_sqe() is another place where an unitialised req->work can be accessed (i.e. prior io_req_init_async()). Nothing really bad though, it just looses IO_WQ_WORK_CONCURRENT flag. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-07-23arm64: vdso32: Fix '--prefix=' value for newer versions of clangNathan Chancellor1-1/+1
Newer versions of clang only look for $(COMPAT_GCC_TOOLCHAIN_DIR)as [1], rather than $(COMPAT_GCC_TOOLCHAIN_DIR)$(CROSS_COMPILE_COMPAT)as, resulting in the following build error: $ make -skj"$(nproc)" ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- \ CROSS_COMPILE_COMPAT=arm-linux-gnueabi- LLVM=1 O=out/aarch64 distclean \ defconfig arch/arm64/kernel/vdso32/ ... /home/nathan/cbl/toolchains/llvm-binutils/bin/as: unrecognized option '-EL' clang-12: error: assembler command failed with exit code 1 (use -v to see invocation) make[3]: *** [arch/arm64/kernel/vdso32/Makefile:181: arch/arm64/kernel/vdso32/note.o] Error 1 ... Adding the value of CROSS_COMPILE_COMPAT (adding notdir to account for a full path for CROSS_COMPILE_COMPAT) fixes this issue, which matches the solution done for the main Makefile [2]. [1]: https://github.com/llvm/llvm-project/commit/3452a0d8c17f7166f479706b293caf6ac76ffd90 [2]: https://lore.kernel.org/lkml/20200721173125.1273884-1-maskray@google.com/ Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Cc: stable@vger.kernel.org Link: https://github.com/ClangBuiltLinux/linux/issues/1099 Link: https://lore.kernel.org/r/20200723041509.400450-1-natechancellor@gmail.com Signed-off-by: Will Deacon <will@kernel.org>
2020-07-22nfsd4: fix NULL dereference in nfsd/clients display codeJ. Bruce Fields1-1/+19
We hold the cl_lock here, and that's enough to keep stateid's from going away, but it's not enough to prevent the files they point to from going away. Take fi_lock and a reference and check for NULL, as we do in other code. Reported-by: NeilBrown <neilb@suse.de> Fixes: 78599c42ae3c ("nfsd4: add file to display list of client's opens") Reviewed-by: NeilBrown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-07-22Revert "PCI/PM: Assume ports without DLL Link Active train links in 100 ms"Bjorn Helgaas1-21/+9
This reverts commit ec411e02b7a2e785a4ed9ed283207cd14f48699d. Patrick reported that this commit broke hybrid graphics on a ThinkPad X1 Extreme 2nd with Intel UHD Graphics 630 and NVIDIA GeForce GTX 1650 Mobile: nouveau 0000:01:00.0: fifo: PBDMA0: 01000000 [] ch 0 [00ff992000 DRM] subc 0 mthd 0008 data 00000000 Karol reported that this commit broke Nouveau firmware loading on a Lenovo P1G2 with Intel UHD Graphics 630 and NVIDIA TU117GLM [Quadro T1000 Mobile]: nouveau 0000:01:00.0: acr: AHESASC binary failed In both cases, reverting ec411e02b7a2 solved the problem. Unfortunately, this revert will reintroduce the "Thunderbolt bridges take long time to resume from D3cold" problem: https://bugzilla.kernel.org/show_bug.cgi?id=206837 Link: https://lore.kernel.org/r/CAErSpo5sTeK_my1dEhWp7aHD0xOp87+oHYWkTjbL7ALgDbXo-Q@mail.gmail.com Link: https://lore.kernel.org/r/CACO55tsAEa5GXw5oeJPG=mcn+qxNvspXreJYWDJGZBy5v82JDA@mail.gmail.com Link: https://bugzilla.kernel.org/show_bug.cgi?id=208597 Reported-by: Patrick Volkerding <volkerdi@gmail.com> Reported-by: Karol Herbst <kherbst@redhat.com> Fixes: ec411e02b7a2 ("PCI/PM: Assume ports without DLL Link Active train links in 100 ms") Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2020-07-22virtio-mmio: Reject invalid IRQ 0 command line argumentBjorn Helgaas1-2/+2
The "virtio_mmio.device=" command line argument allows a user to specify the size, address, and IRQ of a virtio device. Previously the only requirement for the IRQ was that it be an unsigned integer. Zero is an unsigned integer but an invalid IRQ number, and after a85a6c86c25be ("driver core: platform: Clarify that IRQ 0 is invalid"), attempts to use IRQ 0 cause warnings. If the user specifies IRQ 0, return failure instead of registering a device with IRQ 0. Fixes: a85a6c86c25be ("driver core: platform: Clarify that IRQ 0 is invalid") Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Jason Wang <jasowang@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com>
2020-07-22iommu/qcom: Use domain rather than dev as tlb cookieRob Clark1-20/+17
The device may be torn down, but the domain should still be valid. Lets use that as the tlb flush ops cookie. Fixes a problem reported in [1] [1] https://lkml.org/lkml/2020/7/20/104 Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org> Tested-by: Naresh Kamboju <naresh.kamboju@linaro.org> Fixes: 09b5dfff9ad6 ("iommu/qcom: Use accessor functions for iommu private data") Link: https://lore.kernel.org/r/20200720155217.274994-1-robdclark@gmail.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-07-22MAINTAINERS: add Matthew for s390 IOMMUGerald Schaefer1-0/+1
Acked-By: Matthew Rosato <mjrosato@linux.ibm.com> Signed-off-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2020-07-22MAINTAINERS: i2c: at91: handover maintenance to Codrin CiubotariuLudovic Desroches1-1/+1
My colleague Codrin Ciubotariu, now, maintains this driver internally. Then I handover the mainline maintenance to him. Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-07-22i2c: drop duplicated word in the header fileRandy Dunlap1-1/+1
Drop the doubled word "be" in a comment. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-07-22i2c: cadence: Clear HOLD bit at correct time in Rx pathRaviteja Narayanam1-9/+10
There are few issues on Zynq SOC observed in the stress tests causing timeout errors. Even though all the data is received, timeout error is thrown. This is due to an IP bug in which the COMP bit in ISR is not set at end of transfer and completion interrupt is not generated. This bug is seen on Zynq platforms when the following condition occurs: Master read & HOLD bit set & Transfer size register reaches '0'. One workaround is to clear the HOLD bit before the transfer size register reaches '0'. The current implementation checks for this at the start of the loop and also only for less than FIFO DEPTH case (ignoring the equal to case). So clear the HOLD bit when the data yet to receive is less than or equal to the FIFO DEPTH. This avoids the IP bug condition. Signed-off-by: Raviteja Narayanam <raviteja.narayanam@xilinx.com> Acked-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-07-22Revert "i2c: cadence: Fix the hold bit setting"Raviteja Narayanam1-7/+2
This reverts commit d358def706880defa4c9e87381c5bf086a97d5f9. There are two issues with "i2c: cadence: Fix the hold bit setting" commit. 1. In case of combined message request from user space, when the HOLD bit is cleared in cdns_i2c_mrecv function, a STOP condition is sent on the bus even before the last message is started. This is because when the HOLD bit is cleared, the FIFOS are empty and there is no pending transfer. The STOP condition should occur only after the last message is completed. 2. The code added by the commit is redundant. Driver is handling the setting/clearing of HOLD bit in right way before the commit. The setting of HOLD bit based on 'bus_hold_flag' is taken care in cdns_i2c_master_xfer function even before cdns_i2c_msend/cdns_i2c_recv functions. The clearing of HOLD bit is taken care at the end of cdns_i2c_msend and cdns_i2c_recv functions based on bus_hold_flag and byte count. Since clearing of HOLD bit is done after the slave address is written to the register (writing to address register triggers the message transfer), it is ensured that STOP condition occurs at the right time after completion of the pending transfer (last message). Signed-off-by: Raviteja Narayanam <raviteja.narayanam@xilinx.com> Acked-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-07-21xtensa: fix access check in csum_and_copy_from_userMax Filippov1-1/+1
Commit d341659f470b ("xtensa: switch to providing csum_and_copy_from_user()") introduced access check, but incorrectly tested dst instead of src. Fix access_ok argument in csum_and_copy_from_user. Cc: Al Viro <viro@zeniv.linux.org.uk> Fixes: d341659f470b ("xtensa: switch to providing csum_and_copy_from_user()") Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2020-07-21btrfs: fix mount failure caused by race with umountBoris Burkov1-0/+8
It is possible to cause a btrfs mount to fail by racing it with a slow umount. The crux of the sequence is generic_shutdown_super not yet calling sop->put_super before btrfs_mount_root calls btrfs_open_devices. If that occurs, btrfs_open_devices will decide the opened counter is non-zero, increment it, and skip resetting fs_devices->total_rw_bytes to 0. From here, mount will call sget which will result in grab_super trying to take the super block umount semaphore. That semaphore will be held by the slow umount, so mount will block. Before up-ing the semaphore, umount will delete the super block, resulting in mount's sget reliably allocating a new one, which causes the mount path to dutifully fill it out, and increment total_rw_bytes a second time, which causes the mount to fail, as we see double the expected bytes. Here is the sequence laid out in greater detail: CPU0 CPU1 down_write sb->s_umount btrfs_kill_super kill_anon_super(sb) generic_shutdown_super(sb); shrink_dcache_for_umount(sb); sync_filesystem(sb); evict_inodes(sb); // SLOW btrfs_mount_root btrfs_scan_one_device fs_devices = device->fs_devices fs_info->fs_devices = fs_devices // fs_devices-opened makes this a no-op btrfs_open_devices(fs_devices, mode, fs_type) s = sget(fs_type, test, set, flags, fs_info); find sb in s_instances grab_super(sb); down_write(&s->s_umount); // blocks sop->put_super(sb) // sb->fs_devices->opened == 2; no-op spin_lock(&sb_lock); hlist_del_init(&sb->s_instances); spin_unlock(&sb_lock); up_write(&sb->s_umount); return 0; retry lookup don't find sb in s_instances (deleted by CPU0) s = alloc_super return s; btrfs_fill_super(s, fs_devices, data) open_ctree // fs_devices total_rw_bytes improperly set! btrfs_read_chunk_tree read_one_dev // increment total_rw_bytes again!! super_total_bytes < fs_devices->total_rw_bytes // ERROR!!! To fix this, we clear total_rw_bytes from within btrfs_read_chunk_tree before the calls to read_one_dev, while holding the sb umount semaphore and the uuid mutex. To reproduce, it is sufficient to dirty a decent number of inodes, then quickly umount and mount. for i in $(seq 0 500) do dd if=/dev/zero of="/mnt/foo/$i" bs=1M count=1 done umount /mnt/foo& mount /mnt/foo does the trick for me. CC: stable@vger.kernel.org # 4.4+ Signed-off-by: Boris Burkov <boris@bur.io> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2020-07-21btrfs: fix page leaks after failure to lock page for delallocRobbie Ko1-1/+2
When locking pages for delalloc, we check if it's dirty and mapping still matches. If it does not match, we need to return -EAGAIN and release all pages. Only the current page was put though, iterate over all the remaining pages too. CC: stable@vger.kernel.org # 4.14+ Reviewed-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: Robbie Ko <robbieko@synology.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2020-07-21btrfs: qgroup: fix data leak caused by race between writeback and truncateQu Wenruo1-13/+10
[BUG] When running tests like generic/013 on test device with btrfs quota enabled, it can normally lead to data leak, detected at unmount time: BTRFS warning (device dm-3): qgroup 0/5 has unreleased space, type 0 rsv 4096 ------------[ cut here ]------------ WARNING: CPU: 11 PID: 16386 at fs/btrfs/disk-io.c:4142 close_ctree+0x1dc/0x323 [btrfs] RIP: 0010:close_ctree+0x1dc/0x323 [btrfs] Call Trace: btrfs_put_super+0x15/0x17 [btrfs] generic_shutdown_super+0x72/0x110 kill_anon_super+0x18/0x30 btrfs_kill_super+0x17/0x30 [btrfs] deactivate_locked_super+0x3b/0xa0 deactivate_super+0x40/0x50 cleanup_mnt+0x135/0x190 __cleanup_mnt+0x12/0x20 task_work_run+0x64/0xb0 __prepare_exit_to_usermode+0x1bc/0x1c0 __syscall_return_slowpath+0x47/0x230 do_syscall_64+0x64/0xb0 entry_SYSCALL_64_after_hwframe+0x44/0xa9 ---[ end trace caf08beafeca2392 ]--- BTRFS error (device dm-3): qgroup reserved space leaked [CAUSE] In the offending case, the offending operations are: 2/6: writev f2X[269 1 0 0 0 0] [1006997,67,288] 0 2/7: truncate f2X[269 1 0 0 48 1026293] 18388 0 The following sequence of events could happen after the writev(): CPU1 (writeback) | CPU2 (truncate) ----------------------------------------------------------------- btrfs_writepages() | |- extent_write_cache_pages() | |- Got page for 1003520 | | 1003520 is Dirty, no writeback | | So (!clear_page_dirty_for_io()) | | gets called for it | |- Now page 1003520 is Clean. | | | btrfs_setattr() | | |- btrfs_setsize() | | |- truncate_setsize() | | New i_size is 18388 |- __extent_writepage() | | |- page_offset() > i_size | |- btrfs_invalidatepage() | |- Page is clean, so no qgroup | callback executed This means, the qgroup reserved data space is not properly released in btrfs_invalidatepage() as the page is Clean. [FIX] Instead of checking the dirty bit of a page, call btrfs_qgroup_free_data() unconditionally in btrfs_invalidatepage(). As qgroup rsv are completely bound to the QGROUP_RESERVED bit of io_tree, not bound to page status, thus we won't cause double freeing anyway. Fixes: 0b34c261e235 ("btrfs: qgroup: Prevent qgroup->reserved from going subzero") CC: stable@vger.kernel.org # 4.14+ Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Qu Wenruo <wqu@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2020-07-21drm/amdgpu: Fix NULL dereference in dpm sysfs handlersPaweł Gronowski1-6/+3
NULL dereference occurs when string that is not ended with space or newline is written to some dpm sysfs interface (for example pp_dpm_sclk). This happens because strsep replaces the tmp with NULL if the delimiter is not present in string, which is then dereferenced by tmp[0]. Reproduction example: sudo sh -c 'echo -n 1 > /sys/class/drm/card0/device/pp_dpm_sclk' Signed-off-by: Paweł Gronowski <me@woland.xyz> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2020-07-21drm/amd/powerplay: fix a crash when overclocking Vega MQiu Wenbo1-4/+6
Avoid kernel crash when vddci_control is SMU7_VOLTAGE_CONTROL_NONE and vddci_voltage_table is empty. It has been tested on Intel Hades Canyon (i7-8809G). Bug: https://bugzilla.kernel.org/show_bug.cgi?id=208489 Fixes: ac7822b0026f ("drm/amd/powerplay: add smumgr support for VEGAM (v2)") Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Qiu Wenbo <qiuwenbo@phytium.com.cn> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2020-07-21btrfs: fix double free on ulist after backref resolution failureFilipe Manana1-0/+1
At btrfs_find_all_roots_safe() we allocate a ulist and set the **roots argument to point to it. However if later we fail due to an error returned by find_parent_nodes(), we free that ulist but leave a dangling pointer in the **roots argument. Upon receiving the error, a caller of this function can attempt to free the same ulist again, resulting in an invalid memory access. One such scenario is during qgroup accounting: btrfs_qgroup_account_extents() --> calls btrfs_find_all_roots() passes &new_roots (a stack allocated pointer) to btrfs_find_all_roots() --> btrfs_find_all_roots() just calls btrfs_find_all_roots_safe() passing &new_roots to it --> allocates ulist and assigns its address to **roots (which points to new_roots from btrfs_qgroup_account_extents()) --> find_parent_nodes() returns an error, so we free the ulist and leave **roots pointing to it after returning --> btrfs_qgroup_account_extents() sees btrfs_find_all_roots() returned an error and jumps to the label 'cleanup', which just tries to free again the same ulist Stack trace example: ------------[ cut here ]------------ BTRFS: tree first key check failed WARNING: CPU: 1 PID: 1763215 at fs/btrfs/disk-io.c:422 btrfs_verify_level_key+0xe0/0x180 [btrfs] Modules linked in: dm_snapshot dm_thin_pool (...) CPU: 1 PID: 1763215 Comm: fsstress Tainted: G W 5.8.0-rc3-btrfs-next-64 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 RIP: 0010:btrfs_verify_level_key+0xe0/0x180 [btrfs] Code: 28 5b 5d (...) RSP: 0018:ffffb89b473779a0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff90397759bf08 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000027 RDI: 00000000ffffffff RBP: ffff9039a419c000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: ffffb89b43301000 R12: 000000000000005e R13: ffffb89b47377a2e R14: ffffb89b473779af R15: 0000000000000000 FS: 00007fc47e1e1000(0000) GS:ffff9039ac200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc47e1df000 CR3: 00000003d9e4e001 CR4: 00000000003606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: read_block_for_search+0xf6/0x350 [btrfs] btrfs_next_old_leaf+0x242/0x650 [btrfs] resolve_indirect_refs+0x7cf/0x9e0 [btrfs] find_parent_nodes+0x4ea/0x12c0 [btrfs] btrfs_find_all_roots_safe+0xbf/0x130 [btrfs] btrfs_qgroup_account_extents+0x9d/0x390 [btrfs] btrfs_commit_transaction+0x4f7/0xb20 [btrfs] btrfs_sync_file+0x3d4/0x4d0 [btrfs] do_fsync+0x38/0x70 __x64_sys_fdatasync+0x13/0x20 do_syscall_64+0x5c/0xe0 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fc47e2d72e3 Code: Bad RIP value. RSP: 002b:00007fffa32098c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004b RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc47e2d72e3 RDX: 00007fffa3209830 RSI: 00007fffa3209830 RDI: 0000000000000003 RBP: 000000000000072e R08: 0000000000000001 R09: 0000000000000003 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000003e8 R13: 0000000051eb851f R14: 00007fffa3209970 R15: 00005607c4ac8b50 irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [<ffffffffb8eb5e85>] copy_process+0x755/0x1eb0 softirqs last enabled at (0): [<ffffffffb8eb5e85>] copy_process+0x755/0x1eb0 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace 8639237550317b48 ]--- BTRFS error (device sdc): tree first key mismatch detected, bytenr=62324736 parent_transid=94 key expected=(262,108,1351680) has=(259,108,1921024) general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b6b6b: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC PTI CPU: 2 PID: 1763215 Comm: fsstress Tainted: G W 5.8.0-rc3-btrfs-next-64 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 RIP: 0010:ulist_release+0x14/0x60 [btrfs] Code: c7 07 00 (...) RSP: 0018:ffffb89b47377d60 EFLAGS: 00010282 RAX: 6b6b6b6b6b6b6b6b RBX: ffff903959b56b90 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000270024 RDI: ffff9036e2adc840 RBP: ffff9036e2adc848 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff9036e2adc840 R13: 0000000000000015 R14: ffff9039a419ccf8 R15: ffff90395d605840 FS: 00007fc47e1e1000(0000) GS:ffff9039ac600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8c1c0a51c8 CR3: 00000003d9e4e004 CR4: 00000000003606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ulist_free+0x13/0x20 [btrfs] btrfs_qgroup_account_extents+0xf3/0x390 [btrfs] btrfs_commit_transaction+0x4f7/0xb20 [btrfs] btrfs_sync_file+0x3d4/0x4d0 [btrfs] do_fsync+0x38/0x70 __x64_sys_fdatasync+0x13/0x20 do_syscall_64+0x5c/0xe0 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fc47e2d72e3 Code: Bad RIP value. RSP: 002b:00007fffa32098c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004b RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc47e2d72e3 RDX: 00007fffa3209830 RSI: 00007fffa3209830 RDI: 0000000000000003 RBP: 000000000000072e R08: 0000000000000001 R09: 0000000000000003 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000003e8 R13: 0000000051eb851f R14: 00007fffa3209970 R15: 00005607c4ac8b50 Modules linked in: dm_snapshot dm_thin_pool (...) ---[ end trace 8639237550317b49 ]--- RIP: 0010:ulist_release+0x14/0x60 [btrfs] Code: c7 07 00 (...) RSP: 0018:ffffb89b47377d60 EFLAGS: 00010282 RAX: 6b6b6b6b6b6b6b6b RBX: ffff903959b56b90 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000270024 RDI: ffff9036e2adc840 RBP: ffff9036e2adc848 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff9036e2adc840 R13: 0000000000000015 R14: ffff9039a419ccf8 R15: ffff90395d605840 FS: 00007fc47e1e1000(0000) GS:ffff9039ad200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6a776f7d40 CR3: 00000003d9e4e002 CR4: 00000000003606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Fix this by making btrfs_find_all_roots_safe() set *roots to NULL after it frees the ulist. Fixes: 8da6d5815c592b ("Btrfs: added btrfs_find_all_roots()") CC: stable@vger.kernel.org # 4.4+ Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2020-07-21RDMA/mlx5: Prevent prefetch from racing with implicit destructionJason Gunthorpe1-3/+19
Prefetch work in mlx5_ib_prefetch_mr_work can be queued and able to run concurrently with destruction of the implicit MR. The num_deferred_work was intended to serialize this, but there is a race: CPU0 CPU1 mlx5_ib_free_implicit_mr() xa_erase(odp_mkeys) synchronize_srcu() __xa_erase(implicit_children) mlx5_ib_prefetch_mr_work() pagefault_mr() pagefault_implicit_mr() implicit_get_child_mr() xa_cmpxchg() atomic_dec_and_test(num_deferred_mr) wait_event(imr->q_deferred_work) ib_umem_odp_release(odp_imr) kfree(odp_imr) At this point in mlx5_ib_free_implicit_mr() the implicit_children list is supposed to be empty forever so that destroy_unused_implicit_child_mr() and related are not and will not be running. Since it is not empty the destroy_unused_implicit_child_mr() flow ends up touching deallocated memory as mlx5_ib_free_implicit_mr() already tore down the imr parent. The solution is to flush out the prefetch wq by driving num_deferred_work to zero after creation of new prefetch work is blocked. Fixes: 5256edcb98a1 ("RDMA/mlx5: Rework implicit ODP destroy") Link: https://lore.kernel.org/r/20200719065435.130722-1-leon@kernel.org Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2020-07-21s390/cpum_cf,perf: change DFLT_CCERROR counter nameThomas Richter2-3/+3
Change the counter name DLFT_CCERROR to DLFT_CCFINISH on IBM z15. This counter counts completed DEFLATE instructions with exit code 0, 1 or 2. Since exit code 0 means success and exit code 1 or 2 indicate errors, change the counter name to avoid confusion. This counter is incremented each time the DEFLATE instruction completed regardless if an error was detected or not. Fixes: d68d5d51dc89 ("s390/cpum_cf: Add new extended counters for IBM z15") Fixes: e7950166e402 ("perf vendor events s390: Add new deflate counters for IBM z15") Cc: stable@vger.kernel.org # v5.7 Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Reviewed-by: Sumanth Korikkar <sumanthk@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2020-07-21exfat: fix name_hash computation on big endian systemsIlya Ponetayev1-4/+4
On-disk format for name_hash field is LE, so it must be explicitly transformed on BE system for proper result. Fixes: 370e812b3ec1 ("exfat: add nls operations") Cc: stable@vger.kernel.org # v5.7 Signed-off-by: Chen Minqiang <ptpt52@gmail.com> Signed-off-by: Ilya Ponetayev <i.ponetaev@ndmsystems.com> Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com> Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
2020-07-21exfat: fix wrong size update of stream entry by typoHyeongseok Kim1-1/+1
The stream.size field is updated to the value of create timestamp of the file entry. Fix this to use correct stream entry pointer. Fixes: 29bbb14bfc80 ("exfat: fix incorrect update of stream entry in __exfat_truncate()") Signed-off-by: Hyeongseok Kim <hyeongseok@gmail.com> Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
2020-07-21exfat: fix wrong hint_stat initialization in exfat_find_dir_entry()Namjae Jeon1-1/+1
We found the wrong hint_stat initialization in exfat_find_dir_entry(). It should be initialized when cluster is EXFAT_EOF_CLUSTER. Fixes: ca06197382bd ("exfat: add directory operations") Cc: stable@vger.kernel.org # v5.7 Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com> Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
2020-07-21exfat: fix overflow issue in exfat_cluster_to_sector()Namjae Jeon1-1/+1
An overflow issue can occur while calculating sector in exfat_cluster_to_sector(). It needs to cast clus's type to sector_t before left shifting. Fixes: 1acf1a564b60 ("exfat: add in-memory and on-disk structures and headers") Cc: stable@vger.kernel.org # v5.7 Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com> Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
2020-07-20zonefs: count pages after truncating the iteratorJohannes Thumshirn1-4/+4
Count pages after possibly truncating the iterator to the maximum zone append size, not before. Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
2020-07-20zonefs: Fix compilation warningDamien Le Moal1-3/+7
Avoid the compilation warning "Variable 'ret' is reassigned a value before the old one has been used." in zonefs_create_zgroup() by setting ret for the error path only if an error happens. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
2020-07-20drm/lima: fix wait pp reset timeoutQiang Yu1-0/+2
PP bcast is marked as doing async reset after job is done. When resume after suspend, each PP is reset individually, so no need to reset in PP bcast resume. But I forgot to clear the PP bcast async reset mark so call into async wait before job run and gets timeout. Closes: https://gitlab.freedesktop.org/lima/linux/-/issues/34 Fixes: 3446d7e9883d ("drm/lima: add resume/suspend callback for each ip") Reviewed-by: Erico Nunes <nunes.erico@gmail.com> Signed-off-by: Qiang Yu <yuq825@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200719073050.776962-1-yuq825@gmail.com
2020-07-19copy_xstate_to_kernel: Fix typo which caused GDB regressionKevin Buettner1-1/+1
This fixes a regression encountered while running the gdb.base/corefile.exp test in GDB's test suite. In my testing, the typo prevented the sw_reserved field of struct fxregs_state from being output to the kernel XSAVES area. Thus the correct mask corresponding to XCR0 was not present in the core file for GDB to interrogate, resulting in the following behavior: [kev@f32-1 gdb]$ ./gdb -q testsuite/outputs/gdb.base/corefile/corefile testsuite/outputs/gdb.base/corefile/corefile.core Reading symbols from testsuite/outputs/gdb.base/corefile/corefile... [New LWP 232880] warning: Unexpected size of section `.reg-xstate/232880' in core file. With the typo fixed, the test works again as expected. Signed-off-by: Kevin Buettner <kevinb@redhat.com> Fixes: 9e4636545933 ("copy_xstate_to_kernel(): don't leave parts of destination uninitialized") Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Dave Airlie <airlied@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-07-19Linux 5.8-rc6Linus Torvalds1-1/+1
2020-07-19Revert "media: atomisp: keep the ISP powered on when setting it"Mauro Carvalho Chehab1-6/+2
changeset d0213061a501 ("media: atomisp: fix mask and shift operation on ISPSSPM0") solved the existing issue with the IUNIT power on code. So, the driver can now use the right code again. This reverts commit 95d1f398c4dc3f55e9007c89452ccc16301205fc. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-07-19media: atomisp: fix mask and shift operation on ISPSSPM0Colin Ian King1-1/+1
Currently the check on bits 25:24 on ISPSSPM0 is always 0 because the mask and shift operations are incorrect. Fix this by shifting by MRFLD_ISPSSPM0_ISPSSS_OFFSET (24 bits right) and then masking with RFLD_ISPSSPM0_ISPSSC_MASK (0x03) to get the appropriate 2 bits to check. Addresses-Coverity: ("Operands don't affect result") Fixes: 0f441fd70b1e ("media: atomisp: simplify the power down/up code") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-07-19x86/boot: Don't add the EFI stub to targetsArvind Sankar1-2/+2
vmlinux-objs-y is added to targets, which currently means that the EFI stub gets added to the targets as well. It shouldn't be added since it is built elsewhere. This confuses Makefile.build which interprets the EFI stub as a target $(obj)/$(objtree)/drivers/firmware/efi/libstub/lib.a and will create drivers/firmware/efi/libstub/ underneath arch/x86/boot/compressed, to hold this supposed target, if building out-of-tree. [0] Fix this by pulling the stub out of vmlinux-objs-y into efi-obj-y. [0] See scripts/Makefile.build near the end: # Create directories for object files if they do not exist Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Ard Biesheuvel <ardb@kernel.org> Link: https://lkml.kernel.org/r/20200715032631.1562882-1-nivedita@alum.mit.edu
2020-07-19x86/entry: Actually disable stack protectorKees Cook1-3/+11
Some builds of GCC enable stack protector by default. Simply removing the arguments is not sufficient to disable stack protector, as the stack protector for those GCC builds must be explicitly disabled. Remove the argument removals and add -fno-stack-protector. Additionally include missed x32 argument updates, and adjust whitespace for readability. Fixes: 20355e5f73a7 ("x86/entry: Exclude low level entry code from sanitizing") Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/202006261333.585319CA6B@keescook
2020-07-19media: atomisp: move system_local consts into a C fileMauro Carvalho Chehab3-121/+205
Instead of declaring all those consts everywhere when the headers are included, just place them on a single place. This change shuts up lots of warnings when built with W=1: In file included from drivers/staging/media/atomisp/pci/ia_css_acc_types.h:23, from drivers/staging/media/atomisp/pci/ia_css.h:26, from drivers/staging/media/atomisp/pci/atomisp_compat_css20.h:24, from drivers/staging/media/atomisp/pci/atomisp_compat.h:22, from drivers/staging/media/atomisp/pci/atomisp_drvfs.c:23: ./drivers/staging/media/atomisp//pci/system_local.h:193:26: warning: ‘STREAM2MMIO_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 193 | static const hrt_address STREAM2MMIO_CTRL_BASE[N_STREAM2MMIO_ID] = { | ^~~~~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:186:26: warning: ‘PIXELGEN_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 186 | static const hrt_address PIXELGEN_CTRL_BASE[N_PIXELGEN_ID] = { | ^~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:179:26: warning: ‘CSI_RX_BE_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 179 | static const hrt_address CSI_RX_BE_CTRL_BASE[N_CSI_RX_BACKEND_ID] = { | ^~~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:172:26: warning: ‘CSI_RX_FE_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 172 | static const hrt_address CSI_RX_FE_CTRL_BASE[N_CSI_RX_FRONTEND_ID] = { | ^~~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:165:26: warning: ‘ISYS_IRQ_BASE’ defined but not used [-Wunused-const-variable=] 165 | static const hrt_address ISYS_IRQ_BASE[N_ISYS_IRQ_ID] = { | ^~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:158:26: warning: ‘IBUF_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 158 | static const hrt_address IBUF_CTRL_BASE[N_IBUF_CTRL_ID] = { | ^~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:153:26: warning: ‘RX_BASE’ defined but not used [-Wunused-const-variable=] 153 | static const hrt_address RX_BASE[N_RX_ID] = { | ^~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:138:26: warning: ‘INPUT_SYSTEM_BASE’ defined but not used [-Wunused-const-variable=] 138 | static const hrt_address INPUT_SYSTEM_BASE[N_INPUT_SYSTEM_ID] = { | ^~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:130:26: warning: ‘INPUT_FORMATTER_BASE’ defined but not used [-Wunused-const-variable=] 130 | static const hrt_address INPUT_FORMATTER_BASE[N_INPUT_FORMATTER_ID] = { | ^~~~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:125:26: warning: ‘TIMED_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 125 | static const hrt_address TIMED_CTRL_BASE[N_TIMED_CTRL_ID] = { | ^~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:120:26: warning: ‘GPIO_BASE’ defined but not used [-Wunused-const-variable=] 120 | static const hrt_address GPIO_BASE[N_GPIO_ID] = { | ^~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:116:26: warning: ‘GP_TIMER_BASE’ defined but not used [-Wunused-const-variable=] 116 | static const hrt_address GP_TIMER_BASE = | ^~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:109:26: warning: ‘GP_DEVICE_BASE’ defined but not used [-Wunused-const-variable=] 109 | static const hrt_address GP_DEVICE_BASE[N_GP_DEVICE_ID] = { | ^~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:96:26: warning: ‘FIFO_MONITOR_BASE’ defined but not used [-Wunused-const-variable=] 96 | static const hrt_address FIFO_MONITOR_BASE[N_FIFO_MONITOR_ID] = { | ^~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:90:26: warning: ‘GDC_BASE’ defined but not used [-Wunused-const-variable=] 90 | static const hrt_address GDC_BASE[N_GDC_ID] = { | ^~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:78:26: warning: ‘IRQ_BASE’ defined but not used [-Wunused-const-variable=] 78 | static const hrt_address IRQ_BASE[N_IRQ_ID] = { | ^~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:73:26: warning: ‘ISYS2401_DMA_BASE’ defined but not used [-Wunused-const-variable=] 73 | static const hrt_address ISYS2401_DMA_BASE[N_ISYS2401_DMA_ID] = { | ^~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:69:26: warning: ‘DMA_BASE’ defined but not used [-Wunused-const-variable=] 69 | static const hrt_address DMA_BASE[N_DMA_ID] = { | ^~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:63:26: warning: ‘MMU_BASE’ defined but not used [-Wunused-const-variable=] 63 | static const hrt_address MMU_BASE[N_MMU_ID] = { | ^~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:54:26: warning: ‘SP_DMEM_BASE’ defined but not used [-Wunused-const-variable=] 54 | static const hrt_address SP_DMEM_BASE[N_SP_ID] = { | ^~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:50:26: warning: ‘SP_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 50 | static const hrt_address SP_CTRL_BASE[N_SP_ID] = { | ^~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:45:26: warning: ‘ISP_BAMEM_BASE’ defined but not used [-Wunused-const-variable=] 45 | static const hrt_address ISP_BAMEM_BASE[N_BAMEM_ID] = { | ^~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:41:26: warning: ‘ISP_DMEM_BASE’ defined but not used [-Wunused-const-variable=] 41 | static const hrt_address ISP_DMEM_BASE[N_ISP_ID] = { | ^~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:37:26: warning: ‘ISP_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 37 | static const hrt_address ISP_CTRL_BASE[N_ISP_ID] = { | ^~~~~~~~~~~~~ In file included from drivers/staging/media/atomisp/pci/ia_css_acc_types.h:23, from drivers/staging/media/atomisp/pci/ia_css.h:26, from drivers/staging/media/atomisp/pci/atomisp_file.c:27: ./drivers/staging/media/atomisp//pci/system_local.h:193:26: warning: ‘STREAM2MMIO_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 193 | static const hrt_address STREAM2MMIO_CTRL_BASE[N_STREAM2MMIO_ID] = { | ^~~~~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:186:26: warning: ‘PIXELGEN_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 186 | static const hrt_address PIXELGEN_CTRL_BASE[N_PIXELGEN_ID] = { | ^~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:179:26: warning: ‘CSI_RX_BE_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 179 | static const hrt_address CSI_RX_BE_CTRL_BASE[N_CSI_RX_BACKEND_ID] = { | ^~~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:172:26: warning: ‘CSI_RX_FE_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 172 | static const hrt_address CSI_RX_FE_CTRL_BASE[N_CSI_RX_FRONTEND_ID] = { | ^~~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:165:26: warning: ‘ISYS_IRQ_BASE’ defined but not used [-Wunused-const-variable=] 165 | static const hrt_address ISYS_IRQ_BASE[N_ISYS_IRQ_ID] = { | ^~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:158:26: warning: ‘IBUF_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 158 | static const hrt_address IBUF_CTRL_BASE[N_IBUF_CTRL_ID] = { | ^~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:153:26: warning: ‘RX_BASE’ defined but not used [-Wunused-const-variable=] 153 | static const hrt_address RX_BASE[N_RX_ID] = { | ^~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:138:26: warning: ‘INPUT_SYSTEM_BASE’ defined but not used [-Wunused-const-variable=] 138 | static const hrt_address INPUT_SYSTEM_BASE[N_INPUT_SYSTEM_ID] = { | ^~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:130:26: warning: ‘INPUT_FORMATTER_BASE’ defined but not used [-Wunused-const-variable=] 130 | static const hrt_address INPUT_FORMATTER_BASE[N_INPUT_FORMATTER_ID] = { | ^~~~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:125:26: warning: ‘TIMED_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 125 | static const hrt_address TIMED_CTRL_BASE[N_TIMED_CTRL_ID] = { | ^~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:120:26: warning: ‘GPIO_BASE’ defined but not used [-Wunused-const-variable=] 120 | static const hrt_address GPIO_BASE[N_GPIO_ID] = { | ^~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:116:26: warning: ‘GP_TIMER_BASE’ defined but not used [-Wunused-const-variable=] 116 | static const hrt_address GP_TIMER_BASE = | ^~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:109:26: warning: ‘GP_DEVICE_BASE’ defined but not used [-Wunused-const-variable=] 109 | static const hrt_address GP_DEVICE_BASE[N_GP_DEVICE_ID] = { | ^~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:96:26: warning: ‘FIFO_MONITOR_BASE’ defined but not used [-Wunused-const-variable=] 96 | static const hrt_address FIFO_MONITOR_BASE[N_FIFO_MONITOR_ID] = { | ^~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:90:26: warning: ‘GDC_BASE’ defined but not used [-Wunused-const-variable=] 90 | static const hrt_address GDC_BASE[N_GDC_ID] = { | ^~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:78:26: warning: ‘IRQ_BASE’ defined but not used [-Wunused-const-variable=] 78 | static const hrt_address IRQ_BASE[N_IRQ_ID] = { | ^~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:73:26: warning: ‘ISYS2401_DMA_BASE’ defined but not used [-Wunused-const-variable=] 73 | static const hrt_address ISYS2401_DMA_BASE[N_ISYS2401_DMA_ID] = { | ^~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:69:26: warning: ‘DMA_BASE’ defined but not used [-Wunused-const-variable=] 69 | static const hrt_address DMA_BASE[N_DMA_ID] = { | ^~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:63:26: warning: ‘MMU_BASE’ defined but not used [-Wunused-const-variable=] 63 | static const hrt_address MMU_BASE[N_MMU_ID] = { | ^~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:54:26: warning: ‘SP_DMEM_BASE’ defined but not used [-Wunused-const-variable=] 54 | static const hrt_address SP_DMEM_BASE[N_SP_ID] = { | ^~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:50:26: warning: ‘SP_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 50 | static const hrt_address SP_CTRL_BASE[N_SP_ID] = { | ^~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:45:26: warning: ‘ISP_BAMEM_BASE’ defined but not used [-Wunused-const-variable=] 45 | static const hrt_address ISP_BAMEM_BASE[N_BAMEM_ID] = { | ^~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:41:26: warning: ‘ISP_DMEM_BASE’ defined but not used [-Wunused-const-variable=] 41 | static const hrt_address ISP_DMEM_BASE[N_ISP_ID] = { | ^~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:37:26: warning: ‘ISP_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 37 | static const hrt_address ISP_CTRL_BASE[N_ISP_ID] = { | ^~~~~~~~~~~~~ In file included from ./drivers/staging/media/atomisp//pci/ia_css_acc_types.h:23, from ./drivers/staging/media/atomisp//pci/ia_css_pipe_public.h:29, from drivers/staging/media/atomisp/pci/sh_css_legacy.h:23, from drivers/staging/media/atomisp/pci/atomisp_internal.h:34, from drivers/staging/media/atomisp/pci/atomisp_cmd.h:30, from drivers/staging/media/atomisp/pci/atomisp_csi2.c:21: ./drivers/staging/media/atomisp//pci/system_local.h:193:26: warning: ‘STREAM2MMIO_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 193 | static const hrt_address STREAM2MMIO_CTRL_BASE[N_STREAM2MMIO_ID] = { | ^~~~~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:186:26: warning: ‘PIXELGEN_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 186 | static const hrt_address PIXELGEN_CTRL_BASE[N_PIXELGEN_ID] = { | ^~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:179:26: warning: ‘CSI_RX_BE_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 179 | static const hrt_address CSI_RX_BE_CTRL_BASE[N_CSI_RX_BACKEND_ID] = { | ^~~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:172:26: warning: ‘CSI_RX_FE_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 172 | static const hrt_address CSI_RX_FE_CTRL_BASE[N_CSI_RX_FRONTEND_ID] = { | ^~~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:165:26: warning: ‘ISYS_IRQ_BASE’ defined but not used [-Wunused-const-variable=] 165 | static const hrt_address ISYS_IRQ_BASE[N_ISYS_IRQ_ID] = { | ^~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:158:26: warning: ‘IBUF_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 158 | static const hrt_address IBUF_CTRL_BASE[N_IBUF_CTRL_ID] = { | ^~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:153:26: warning: ‘RX_BASE’ defined but not used [-Wunused-const-variable=] 153 | static const hrt_address RX_BASE[N_RX_ID] = { | ^~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:138:26: warning: ‘INPUT_SYSTEM_BASE’ defined but not used [-Wunused-const-variable=] 138 | static const hrt_address INPUT_SYSTEM_BASE[N_INPUT_SYSTEM_ID] = { | ^~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:130:26: warning: ‘INPUT_FORMATTER_BASE’ defined but not used [-Wunused-const-variable=] 130 | static const hrt_address INPUT_FORMATTER_BASE[N_INPUT_FORMATTER_ID] = { | ^~~~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:125:26: warning: ‘TIMED_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 125 | static const hrt_address TIMED_CTRL_BASE[N_TIMED_CTRL_ID] = { | ^~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:120:26: warning: ‘GPIO_BASE’ defined but not used [-Wunused-const-variable=] 120 | static const hrt_address GPIO_BASE[N_GPIO_ID] = { | ^~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:116:26: warning: ‘GP_TIMER_BASE’ defined but not used [-Wunused-const-variable=] 116 | static const hrt_address GP_TIMER_BASE = | ^~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:109:26: warning: ‘GP_DEVICE_BASE’ defined but not used [-Wunused-const-variable=] 109 | static const hrt_address GP_DEVICE_BASE[N_GP_DEVICE_ID] = { | ^~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:96:26: warning: ‘FIFO_MONITOR_BASE’ defined but not used [-Wunused-const-variable=] 96 | static const hrt_address FIFO_MONITOR_BASE[N_FIFO_MONITOR_ID] = { | ^~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:90:26: warning: ‘GDC_BASE’ defined but not used [-Wunused-const-variable=] 90 | static const hrt_address GDC_BASE[N_GDC_ID] = { | ^~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:78:26: warning: ‘IRQ_BASE’ defined but not used [-Wunused-const-variable=] 78 | static const hrt_address IRQ_BASE[N_IRQ_ID] = { | ^~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:73:26: warning: ‘ISYS2401_DMA_BASE’ defined but not used [-Wunused-const-variable=] 73 | static const hrt_address ISYS2401_DMA_BASE[N_ISYS2401_DMA_ID] = { | ^~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:69:26: warning: ‘DMA_BASE’ defined but not used [-Wunused-const-variable=] 69 | static const hrt_address DMA_BASE[N_DMA_ID] = { | ^~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:63:26: warning: ‘MMU_BASE’ defined but not used [-Wunused-const-variable=] 63 | static const hrt_address MMU_BASE[N_MMU_ID] = { | ^~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:54:26: warning: ‘SP_DMEM_BASE’ defined but not used [-Wunused-const-variable=] 54 | static const hrt_address SP_DMEM_BASE[N_SP_ID] = { | ^~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:50:26: warning: ‘SP_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 50 | static const hrt_address SP_CTRL_BASE[N_SP_ID] = { | ^~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:45:26: warning: ‘ISP_BAMEM_BASE’ defined but not used [-Wunused-const-variable=] 45 | static const hrt_address ISP_BAMEM_BASE[N_BAMEM_ID] = { | ^~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:41:26: warning: ‘ISP_DMEM_BASE’ defined but not used [-Wunused-const-variable=] 41 | static const hrt_address ISP_DMEM_BASE[N_ISP_ID] = { | ^~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:37:26: warning: ‘ISP_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 37 | static const hrt_address ISP_CTRL_BASE[N_ISP_ID] = { | ^~~~~~~~~~~~~ In file included from ./drivers/staging/media/atomisp//pci/ia_css_acc_types.h:23, from ./drivers/staging/media/atomisp//pci/ia_css_pipe_public.h:29, from drivers/staging/media/atomisp/pci/sh_css_legacy.h:23, from drivers/staging/media/atomisp/pci/atomisp_internal.h:34, from drivers/staging/media/atomisp/pci/atomisp_acc.h:23, from drivers/staging/media/atomisp/pci/atomisp_acc.c:29: ./drivers/staging/media/atomisp//pci/system_local.h:193:26: warning: ‘STREAM2MMIO_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 193 | static const hrt_address STREAM2MMIO_CTRL_BASE[N_STREAM2MMIO_ID] = { | ^~~~~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:186:26: warning: ‘PIXELGEN_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 186 | static const hrt_address PIXELGEN_CTRL_BASE[N_PIXELGEN_ID] = { | ^~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:179:26: warning: ‘CSI_RX_BE_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 179 | static const hrt_address CSI_RX_BE_CTRL_BASE[N_CSI_RX_BACKEND_ID] = { | ^~~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:172:26: warning: ‘CSI_RX_FE_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 172 | static const hrt_address CSI_RX_FE_CTRL_BASE[N_CSI_RX_FRONTEND_ID] = { | ^~~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:165:26: warning: ‘ISYS_IRQ_BASE’ defined but not used [-Wunused-const-variable=] 165 | static const hrt_address ISYS_IRQ_BASE[N_ISYS_IRQ_ID] = { | ^~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:158:26: warning: ‘IBUF_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 158 | static const hrt_address IBUF_CTRL_BASE[N_IBUF_CTRL_ID] = { | ^~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:153:26: warning: ‘RX_BASE’ defined but not used [-Wunused-const-variable=] 153 | static const hrt_address RX_BASE[N_RX_ID] = { | ^~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:138:26: warning: ‘INPUT_SYSTEM_BASE’ defined but not used [-Wunused-const-variable=] 138 | static const hrt_address INPUT_SYSTEM_BASE[N_INPUT_SYSTEM_ID] = { | ^~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:130:26: warning: ‘INPUT_FORMATTER_BASE’ defined but not used [-Wunused-const-variable=] 130 | static const hrt_address INPUT_FORMATTER_BASE[N_INPUT_FORMATTER_ID] = { | ^~~~~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:125:26: warning: ‘TIMED_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 125 | static const hrt_address TIMED_CTRL_BASE[N_TIMED_CTRL_ID] = { | ^~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:120:26: warning: ‘GPIO_BASE’ defined but not used [-Wunused-const-variable=] 120 | static const hrt_address GPIO_BASE[N_GPIO_ID] = { | ^~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:116:26: warning: ‘GP_TIMER_BASE’ defined but not used [-Wunused-const-variable=] 116 | static const hrt_address GP_TIMER_BASE = | ^~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:109:26: warning: ‘GP_DEVICE_BASE’ defined but not used [-Wunused-const-variable=] 109 | static const hrt_address GP_DEVICE_BASE[N_GP_DEVICE_ID] = { | ^~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:96:26: warning: ‘FIFO_MONITOR_BASE’ defined but not used [-Wunused-const-variable=] 96 | static const hrt_address FIFO_MONITOR_BASE[N_FIFO_MONITOR_ID] = { | ^~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:90:26: warning: ‘GDC_BASE’ defined but not used [-Wunused-const-variable=] 90 | static const hrt_address GDC_BASE[N_GDC_ID] = { | ^~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:78:26: warning: ‘IRQ_BASE’ defined but not used [-Wunused-const-variable=] 78 | static const hrt_address IRQ_BASE[N_IRQ_ID] = { | ^~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:73:26: warning: ‘ISYS2401_DMA_BASE’ defined but not used [-Wunused-const-variable=] 73 | static const hrt_address ISYS2401_DMA_BASE[N_ISYS2401_DMA_ID] = { | ^~~~~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:69:26: warning: ‘DMA_BASE’ defined but not used [-Wunused-const-variable=] 69 | static const hrt_address DMA_BASE[N_DMA_ID] = { | ^~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:63:26: warning: ‘MMU_BASE’ defined but not used [-Wunused-const-variable=] 63 | static const hrt_address MMU_BASE[N_MMU_ID] = { | ^~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:54:26: warning: ‘SP_DMEM_BASE’ defined but not used [-Wunused-const-variable=] 54 | static const hrt_address SP_DMEM_BASE[N_SP_ID] = { | ^~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:50:26: warning: ‘SP_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 50 | static const hrt_address SP_CTRL_BASE[N_SP_ID] = { | ^~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:45:26: warning: ‘ISP_BAMEM_BASE’ defined but not used [-Wunused-const-variable=] 45 | static const hrt_address ISP_BAMEM_BASE[N_BAMEM_ID] = { | ^~~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:41:26: warning: ‘ISP_DMEM_BASE’ defined but not used [-Wunused-const-variable=] 41 | static const hrt_address ISP_DMEM_BASE[N_ISP_ID] = { | ^~~~~~~~~~~~~ ./drivers/staging/media/atomisp//pci/system_local.h:37:26: warning: ‘ISP_CTRL_BASE’ defined but not used [-Wunused-const-variable=] 37 | static const hrt_address ISP_CTRL_BASE[N_ISP_ID] = { | ^~~~~~~~~~~~~ Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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