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2021-02-15docs: gpio: Fix formatting in description of gpiod_*_array_* functionsJonathan Neuschäfer1-2/+3
The gpiod_*_array_* functions take four arguments, not three. Additionally, the formatting of the "value_bitmap" line results in misformatted HTML, so fix that. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2021-02-15gpio: fix spelling mistake in Kconfig "supprot" -> "support"Colin Ian King1-1/+1
There is a spelling mistake in the Kconfig help text. Fix it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2021-02-15Linux 5.11Linus Torvalds1-2/+2
2021-02-14Merge branch 'for-rc8-5.11' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds Pull LED fix from Pavel Machek: "One-liner fixing a build problem" * 'for-rc8-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds: leds: rt8515: add V4L2_FLASH_LED_CLASS dependency
2021-02-14Merge tag 'kbuild-fixes-v5.11-3' of ↵Linus Torvalds3-2/+4
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Fix CONFIG_TRIM_UNUSED_KSYMS build for ppc64 - Use pkg-config for scripts/sign-file.c CFLAGS * tag 'kbuild-fixes-v5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: scripts: set proper OpenSSL include dir also for sign-file sparc: remove wrong comment from arch/sparc/include/asm/Kbuild kbuild: fix CONFIG_TRIM_UNUSED_KSYMS build for ppc64
2021-02-14Merge tag 'x86_urgent_for_v5.11' of ↵Linus Torvalds4-7/+22
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: "I kinda knew while typing 'I hope this is the last batch of x86/urgent updates' last week, Murphy was reading too and uttered 'Hold my beer!'. So here's more fixes... Thanks Murphy. Anyway, three more x86/urgent fixes for 5.11 final. We should be finally ready (famous last words). :-) - An SGX use after free fix - A fix for the fix to disable CET instrumentation generation for kernel code. We forgot 32-bit, which we seem to do very often nowadays - A Xen PV fix to irqdomain init ordering" * tag 'x86_urgent_for_v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/pci: Create PCI/MSI irqdomain after x86_init.pci.arch_init() x86/build: Disable CET instrumentation in the kernel for 32-bit too x86/sgx: Maintain encl->refcount for each encl->mm_list entry
2021-02-14leds: rt8515: add V4L2_FLASH_LED_CLASS dependencyArnd Bergmann1-0/+1
The leds-rt8515 driver can optionall use the v4l2 flash led class, but it causes a link error when that class is in a loadable module and the rt8515 driver itself is built-in: ld.lld: error: undefined symbol: v4l2_flash_init >>> referenced by leds-rt8515.c >>> leds/flash/leds-rt8515.o:(rt8515_probe) in archive drivers/built-in.a Adding 'depends on V4L2_FLASH_LED_CLASS' in Kconfig would avoid that, but it would make it impossible to use the driver without the v4l2 support. Add the same dependency that the other users of this class have instead, which just prevents the broken configuration. Fixes: e1c6edcbea13 ("leds: rt8515: Add Richtek RT8515 LED driver") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2021-02-14scripts: set proper OpenSSL include dir also for sign-fileRolf Eike Beer1-0/+1
Fixes: 2cea4a7a1885 ("scripts: use pkg-config to locate libcrypto") Signed-off-by: Rolf Eike Beer <eb@emlix.com> Cc: stable@vger.kernel.org # 5.6.x Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2021-02-14sparc: remove wrong comment from arch/sparc/include/asm/KbuildMasahiro Yamada1-2/+0
These are NOT exported to userspace. The headers listed in arch/sparc/include/uapi/asm/Kbuild are exported. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2021-02-14Merge tag 'clk-fixes-for-linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk fix from Stephen Boyd: "One small fix for the Allwinner clk driver so that display clks figure out the correct rate to use. This fixes displays running 4k@60Hz and some other resolutions that haven't been exercised and fully understood until now" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: sunxi-ng: mp: fix parent rate change flag check
2021-02-14Merge tag 'scsi-fixes' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fix from James Bottomley: "One fix for scsi_debug that fixes a memory leak on module removal" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: scsi_debug: Fix a memory leak
2021-02-13Merge branch 'for-5.11-fixes' of ↵Linus Torvalds4-8/+11
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup fixes from Tejun Heo: "Two cgroup fixes: - fix a NULL deref when trying to poll PSI in the root cgroup - fix confusing controller parsing corner case when mounting cgroup v1 hierarchies And doc / maintainer file updates" * 'for-5.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: update PSI file description in docs cgroup: fix psi monitor for root cgroup MAINTAINERS: Update my email address MAINTAINERS: Remove stale URLs for cpuset cgroup-v1: add disabled controller check in cgroup1_parse_param()
2021-02-13Merge branch 'akpm' (patches from Andrew)Linus Torvalds4-5/+14
Merge fixes from Andrew Morton: "6 patches. Subsystems affected by this patch series: mm/pagemap, scripts, MAINTAINERS, and h8300" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: h8300: fix PREEMPTION build, TI_PRE_COUNT undefined MAINTAINERS: add Andrey Konovalov to KASAN reviewers MAINTAINERS: update Andrey Konovalov's email address MAINTAINERS: update KASAN file list scripts/recordmcount.pl: support big endian for ARCH sh m68k: make __pfn_to_phys() and __phys_to_pfn() available for !MMU
2021-02-13Merge branch 'i2c/for-current' of ↵Linus Torvalds1-1/+10
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fix from Wolfram Sang: "One more I2C driver bugfix" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: stm32f7: fix configuration of the digital filter
2021-02-13Merge tag 'for-5.11-rc7-tag' of ↵Linus Torvalds1-1/+2
git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs fix from David Sterba: "A regression fix caused by a refactoring in 5.11. A corrupted superblock wouldn't be detected by checksum verification due to wrongly placed initialization of the checksum length, thus making memcmp always work" * tag 'for-5.11-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: initialize fs_info::csum_size earlier in open_ctree
2021-02-13h8300: fix PREEMPTION build, TI_PRE_COUNT undefinedRandy Dunlap1-0/+3
Fix a build error for undefined 'TI_PRE_COUNT' by adding it to asm-offsets.c. h8300-linux-ld: arch/h8300/kernel/entry.o: in function `resume_kernel': (.text+0x29a): undefined reference to `TI_PRE_COUNT' Link: https://lkml.kernel.org/r/20210212021650.22740-1-rdunlap@infradead.org Fixes: df2078b8daa7 ("h8300: Low level entry") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kernel test robot <lkp@intel.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-02-13MAINTAINERS: add Andrey Konovalov to KASAN reviewersAndrey Konovalov1-0/+1
Add my personal email address to KASAN reviewers list. Link: https://lkml.kernel.org/r/c1ce89a7aae0e2d6852249c280b1eb59aeac30c0.1613150186.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Marco Elver <elver@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-02-13MAINTAINERS: update Andrey Konovalov's email addressAndrey Konovalov1-1/+1
Use my personal email address. Link: https://lkml.kernel.org/r/b0ec98dabbc12336c162788f5ccde97045a0d65e.1613150186.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Marco Elver <elver@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-02-13MAINTAINERS: update KASAN file listAndrey Konovalov1-2/+3
Account for the following files: - lib/Kconfig.kasan - lib/test_kasan_module.c - arch/arm64/include/asm/mte-kasan.h Link: https://lkml.kernel.org/r/7f9771d97b34d396bfdc4e288ad93486bb865a06.1613150186.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Marco Elver <elver@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-02-13scripts/recordmcount.pl: support big endian for ARCH shRong Chen1-1/+5
The kernel test robot reported the following issue: CC [M] drivers/soc/litex/litex_soc_ctrl.o sh4-linux-objcopy: Unable to change endianness of input file(s) sh4-linux-ld: cannot find drivers/soc/litex/.tmp_gl_litex_soc_ctrl.o: No such file or directory sh4-linux-objcopy: 'drivers/soc/litex/.tmp_mx_litex_soc_ctrl.o': No such file The problem is that the format of input file is elf32-shbig-linux, but sh4-linux-objcopy wants to output a file which format is elf32-sh-linux: $ sh4-linux-objdump -d drivers/soc/litex/litex_soc_ctrl.o | grep format drivers/soc/litex/litex_soc_ctrl.o: file format elf32-shbig-linux Link: https://lkml.kernel.org/r/20210210150435.2171567-1-rong.a.chen@intel.com Link: https://lore.kernel.org/linux-mm/202101261118.GbbYSlHu-lkp@intel.com Signed-off-by: Rong Chen <rong.a.chen@intel.com> Reported-by: kernel test robot <lkp@intel.com> Cc: Yoshinori Sato <ysato@users.osdn.me> Cc: Rich Felker <dalias@libc.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-02-13m68k: make __pfn_to_phys() and __phys_to_pfn() available for !MMUMike Rapoport1-1/+1
Recent changes that obsoleted DISCONTIGMEM on m68k switched the MMU variant to use generic definitions of __pfn_to_phys() and __phys_to_pfn(), but missed the !MMU variant which caused a build failure: drivers/media/common/videobuf2/videobuf2-dma-contig.c: In function 'vb2_dc_get_userptr': drivers/media/common/videobuf2/videobuf2-dma-contig.c:509:5: error: implicit declaration of function '__pfn_to_phys' [-Werror=implicit-function-declaration] 509 | __pfn_to_phys(nums[0]), size, buf->dma_dir, 0); | ^~~~~~~~~~~~~ cc1: some warnings being treated as errors Enable __pfn_to_phys() and __phys_to_pfn() on !MMU builds. Link: https://lkml.kernel.org/r/20210211232202.GS299309@linux.ibm.com Fixes: 4bfc848e0981 ("m68k/mm: enable use of generic memory_model.h for !DISCONTIGMEM") Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Reported-by: kernel test robot <lkp@intel.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greg Ungerer <gerg@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-02-13Merge tag '5.11-rc7-smb3-github' of git://github.com/smfrench/smb3-kernelLinus Torvalds4-4/+28
Pull cifs fixes from Steve French: "Four small smb3 fixes to the new mount API (including a particularly important one for DFS links). These were found in testing this week of additional DFS scenarios, and a user testing of an apache container problem" * tag '5.11-rc7-smb3-github' of git://github.com/smfrench/smb3-kernel: cifs: Set CIFS_MOUNT_USE_PREFIX_PATH flag on setting cifs_sb->prepath. cifs: In the new mount api we get the full devname as source= cifs: do not disable noperm if multiuser mount option is not provided cifs: fix dfs-links
2021-02-12Merge tag 'io_uring-5.11-2021-02-12' of git://git.kernel.dk/linux-blockLinus Torvalds1-2/+4
Pull io_uring fix from Jens Axboe: "Revert of a patch from this release that caused a regression" * tag 'io_uring-5.11-2021-02-12' of git://git.kernel.dk/linux-block: Revert "io_uring: don't take fs for recvmsg/sendmsg"
2021-02-12Merge tag 'drm-fixes-2021-02-12' of git://anongit.freedesktop.org/drm/drmLinus Torvalds12-78/+122
Pull drm fixes from Dave Airlie: "Regular fixes for final, there is a ttm regression fix, dp-mst fix, one amdgpu revert, two i915 fixes, and some misc fixes for sun4i, xlnx, and vc4. All pretty quiet and don't think we have any known outstanding regressions. ttm: - page pool regression fix. dp_mst: - don't report un-attached ports as connected amdgpu: - blank screen fix i915: - ensure Type-C FIA is powered when initializing - fix overlay frontbuffer tracking sun4i: - tcon1 sync polarity fix - always set HDMI clock rate - fix H6 HDMI PHY config - fix H6 max frequency vc4: - fix buffer overflow xlnx: - fix memory leak" * tag 'drm-fixes-2021-02-12' of git://anongit.freedesktop.org/drm/drm: drm/ttm: make sure pool pages are cleared drm/sun4i: dw-hdmi: Fix max. frequency for H6 drm/sun4i: Fix H6 HDMI PHY configuration drm/sun4i: dw-hdmi: always set clock rate drm/sun4i: tcon: set sync polarity for tcon1 channel drm/i915: Fix overlay frontbuffer tracking Revert "drm/amd/display: Update NV1x SR latency values" drm/i915/tgl+: Make sure TypeC FIA is powered up when initializing it drm/dp_mst: Don't report ports connected if nothing is attached to them drm/xlnx: fix kmemleak by sending vblank_event in atomic_disable drm/vc4: hvs: Fix buffer overflow with the dlist handling
2021-02-12Merge tag 'trace-v5.11-rc7-2' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fix from Steven Rostedt: "Fix buffer overflow in trace event filter. It was reported that if an trace event was larger than a page and was filtered, that it caused memory corruption. The reason is that filtered events first go into a buffer to test the filter before being written into the ring buffer. Unfortunately, this write did not check the size" * tag 'trace-v5.11-rc7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Check length before giving out the filter buffer
2021-02-12Merge tag 'for-linus-5.11-rc8-tag' of ↵Linus Torvalds4-6/+1
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fix from Juergen Gross: "A single fix for an issue introduced this development cycle: when running as a Xen guest on Arm systems the kernel will hang during boot" * tag 'for-linus-5.11-rc8-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: arm/xen: Don't probe xenbus as part of an early initcall
2021-02-12Merge tag 'riscv-for-linus-5.11-rc8' of ↵Linus Torvalds1-1/+0
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fix from Palmer Dabbelt: "A single fix this week: the removal of the GPIO reset method for the Ethernet phy on the HiFive Unleashed. This returns to relying on the bootloader's phy reset sequence, which we'll have to continue doing until we can sort out how to get the Linux phy driver to perform the special reset dance required for this phy" * tag 'riscv-for-linus-5.11-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: Revert "dts: phy: add GPIO number and active state used for phy reset"
2021-02-12Merge tag 'arm64-fixes' of ↵Linus Torvalds2-6/+3
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fix from Catalin Marinas: "Fix PTRACE_PEEKMTETAGS access to an mmapped region before the first write" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: mte: Allow PTRACE_PEEKMTETAGS access to the zero page
2021-02-12arm64: mte: Allow PTRACE_PEEKMTETAGS access to the zero pageCatalin Marinas2-6/+3
The ptrace(PTRACE_PEEKMTETAGS) implementation checks whether the user page has valid tags (mapped with PROT_MTE) by testing the PG_mte_tagged page flag. If this bit is cleared, ptrace(PTRACE_PEEKMTETAGS) returns -EIO. A newly created (PROT_MTE) mapping points to the zero page which had its tags zeroed during cpu_enable_mte(). If there were no prior writes to this mapping, ptrace(PTRACE_PEEKMTETAGS) fails with -EIO since the zero page does not have the PG_mte_tagged flag set. Set PG_mte_tagged on the zero page when its tags are cleared during boot. In addition, to avoid ptrace(PTRACE_PEEKMTETAGS) succeeding on !PROT_MTE mappings pointing to the zero page, change the __access_remote_tags() check to (vm_flags & VM_MTE) instead of PG_mte_tagged. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Fixes: 34bfeea4a9e9 ("arm64: mte: Clear the tags when a page is mapped in user-space with PROT_MTE") Cc: <stable@vger.kernel.org> # 5.10.x Cc: Will Deacon <will@kernel.org> Reported-by: Luis Machado <luis.machado@linaro.org> Tested-by: Luis Machado <luis.machado@linaro.org> Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Link: https://lore.kernel.org/r/20210210180316.23654-1-catalin.marinas@arm.com
2021-02-12btrfs: initialize fs_info::csum_size earlier in open_ctreeSu Yue1-1/+2
User reported that btrfs-progs misc-tests/028-superblock-recover fails: [TEST/misc] 028-superblock-recover unexpected success: mounted fs with corrupted superblock test failed for case 028-superblock-recover The test case expects that a broken image with bad superblock will be rejected to be mounted. However, the test image just passed csum check of superblock and was successfully mounted. Commit 55fc29bed8dd ("btrfs: use cached value of fs_info::csum_size everywhere") replaces all calls to btrfs_super_csum_size by fs_info::csum_size. The calls include the place where fs_info->csum_size is not initialized. So btrfs_check_super_csum() passes because memcmp() with len 0 always returns 0. Fix it by caching csum size in btrfs_fs_info::csum_size once we know the csum type in superblock is valid in open_ctree(). Link: https://github.com/kdave/btrfs-progs/issues/250 Fixes: 55fc29bed8dd ("btrfs: use cached value of fs_info::csum_size everywhere") Signed-off-by: Su Yue <l@damenly.su> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2021-02-12i2c: stm32f7: fix configuration of the digital filterAlain Volmat1-1/+10
The digital filter related computation are present in the driver however the programming of the filter within the IP is missing. The maximum value for the DNF is wrong and should be 15 instead of 16. Fixes: aeb068c57214 ("i2c: i2c-stm32f7: add driver") Signed-off-by: Alain Volmat <alain.volmat@foss.st.com> Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2021-02-12Merge branch 'drm-misc-fixes' of git://anongit.freedesktop.org/drm/drm-misc ↵Dave Airlie9-37/+75
into drm-fixes (I've pulled from a non-tag to get the ttm regression fix) drm-misc-fixes-2021-02-10: * dp_mst: Don't report un-attached ports as connected * sun4i: tcon1 sync polarity fix; Always set HDMI clock rate; Fix H6 HDMI PHY config; Fix H6 max frequency * vc4: Fix buffer overflow * xlnx: Fix memory leak * ttm: page pool regression fix. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/YCPo6g3gDxD3P//h@linux-uq9g
2021-02-12clk: sunxi-ng: mp: fix parent rate change flag checkJernej Skrabec1-1/+1
CLK_SET_RATE_PARENT flag is checked on parent clock instead of current one. Fix that. Fixes: 3f790433c3cb ("clk: sunxi-ng: Adjust MP clock parent rate when allowed") Reviewed-by: Chen-Yu Tsai <wens@csie.org> Tested-by: Andre Heider <a.heider@gmail.com> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Link: https://lore.kernel.org/r/20210209175900.7092-2-jernej.skrabec@siol.net Acked-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-12Merge tag 'drm-intel-fixes-2021-02-11' of ↵Dave Airlie2-39/+45
git://anongit.freedesktop.org/drm/drm-intel into drm-fixes drm/i915 fixes for v5.11 final: - Ensure Type-C FIA is powered when initializing - Fix overlay frontbuffer tracking Signed-off-by: Dave Airlie <airlied@redhat.com> From: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/87r1lnc78t.fsf@intel.com
2021-02-12Merge tag 'amd-drm-fixes-5.11-2021-02-10' of ↵Dave Airlie1-2/+2
https://gitlab.freedesktop.org/agd5f/linux into drm-fixes amd-drm-fixes-5.11-2021-02-10: amdgpu: - Blank screen fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210210223508.4428-1-alexander.deucher@amd.com
2021-02-12Merge tag 'powerpc-5.11-8' of ↵Linus Torvalds3-9/+12
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fix from Michael Ellerman: "One fix for a regression seen in io_uring, introduced by our support for KUAP (Kernel User Access Prevention) with the Hash MMU. Thanks to Aneesh Kumar K.V, and Zorro Lang" * tag 'powerpc-5.11-8' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/kuap: Allow kernel thread to access userspace after kthread_use_mm
2021-02-11tracing: Check length before giving out the filter bufferSteven Rostedt (VMware)1-1/+1
When filters are used by trace events, a page is allocated on each CPU and used to copy the trace event fields to this page before writing to the ring buffer. The reason to use the filter and not write directly into the ring buffer is because a filter may discard the event and there's more overhead on discarding from the ring buffer than the extra copy. The problem here is that there is no check against the size being allocated when using this page. If an event asks for more than a page size while being filtered, it will get only a page, leading to the caller writing more that what was allocated. Check the length of the request, and if it is more than PAGE_SIZE minus the header default back to allocating from the ring buffer directly. The ring buffer may reject the event if its too big anyway, but it wont overflow. Link: https://lore.kernel.org/ath10k/1612839593-2308-1-git-send-email-wgong@codeaurora.org/ Cc: stable@vger.kernel.org Fixes: 0fc1b09ff1ff4 ("tracing: Use temp buffer when filtering events") Reported-by: Wen Gong <wgong@codeaurora.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2021-02-11Merge tag 'gpio-fixes-for-v5.11' of ↵Linus Torvalds2-99/+120
git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fixes from Bartosz Golaszewski: "This is hopefully the last batch of fixes for this release cycle. We have a minor fix for a Kconfig regression as well as fixes for older bugs in gpio-ep93xx: - don't build gpio-mxs unconditionally with COMPILE_TEST enabled - fix two problems with interrupt handling in gpio-ep93xx" * tag 'gpio-fixes-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpio: ep93xx: Fix single irqchip with multi gpiochips gpio: ep93xx: fix BUG_ON port F usage gpio: mxs: GPIO_MXS should not default to y unconditionally
2021-02-11kbuild: fix CONFIG_TRIM_UNUSED_KSYMS build for ppc64Masahiro Yamada1-0/+3
Stephen Rothwell reported a build error on ppc64 when CONFIG_TRIM_UNUSED_KSYMS is enabled. Jessica Yu pointed out the cause of the error with the reference to the ppc64 ELF ABI: "Symbol names with a dot (.) prefix are reserved for holding entry point addresses. The value of a symbol named ".FN", if it exists, is the entry point of the function "FN". As it turned out, CONFIG_TRIM_UNUSED_KSYMS has never worked for ppc64, but this issue has been unnoticed until recently because this option depends on !UNUSED_SYMBOLS hence is disabled by all{mod,yes}config. (Then, it was uncovered by another patch removing UNUSED_SYMBOLS.) Removing the dot prefix in scripts/gen_autoksyms.sh fixes the issue. Please note it must be done before 'sort -u' because modules have both ._mcount and _mcount undefined when CONFIG_FUNCTION_TRACER=y. Link: https://lore.kernel.org/lkml/20210209210843.3af66662@canb.auug.org.au/ Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Jessica Yu <jeyu@kernel.org>
2021-02-11cifs: Set CIFS_MOUNT_USE_PREFIX_PATH flag on setting cifs_sb->prepath.Shyam Prasad N1-0/+1
While debugging another issue today, Steve and I noticed that if a subdir for a file share is already mounted on the client, any new mount of any other subdir (or the file share root) of the same share results in sharing the cifs superblock, which e.g. can result in incorrect device name. While setting prefix path for the root of a cifs_sb, CIFS_MOUNT_USE_PREFIX_PATH flag should also be set. Without it, prepath is not even considered in some places, and output of "mount" and various /proc/<>/*mount* related options can be missing part of the device name. Signed-off-by: Shyam Prasad N <sprasad@microsoft.com> Reviewed-by: Aurelien Aptel <aaptel@suse.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2021-02-11cifs: In the new mount api we get the full devname as source=Ronnie Sahlberg3-2/+17
so we no longer need to handle or parse the UNC= and prefixpath= options that mount.cifs are generating. This also fixes a bug in the mount command option where the devname would be truncated into just //server/share because we were looking at the truncated UNC value and not the full path. I.e. in the mount command output the devive //server/share/path would show up as just //server/share Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Reviewed-by: Shyam Prasad N <nspmangalore@gmail.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2021-02-11drm/ttm: make sure pool pages are clearedChristian König1-0/+10
The old implementation wasn't consistend on this. But it looks like we depend on this so better bring it back. Signed-off-by: Christian König <christian.koenig@amd.com> Reported-and-tested-by: Mike Galbraith <efault@gmx.de> Fixes: d099fc8f540a ("drm/ttm: new TT backend allocation pool v3") Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210210160549.1462-1-christian.koenig@amd.com
2021-02-11arm/xen: Don't probe xenbus as part of an early initcallJulien Grall4-6/+1
After Commit 3499ba8198cad ("xen: Fix event channel callback via INTX/GSI"), xenbus_probe() will be called too early on Arm. This will recent to a guest hang during boot. If the hang wasn't there, we would have ended up to call xenbus_probe() twice (the second time is in xenbus_probe_initcall()). We don't need to initialize xenbus_probe() early for Arm guest. Therefore, the call in xen_guest_init() is now removed. After this change, there is no more external caller for xenbus_probe(). So the function is turned to a static one. Interestingly there were two prototypes for it. Cc: stable@vger.kernel.org Fixes: 3499ba8198cad ("xen: Fix event channel callback via INTX/GSI") Reported-by: Ian Jackson <iwj@xenproject.org> Signed-off-by: Julien Grall <jgrall@amazon.com> Reviewed-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org> Link: https://lore.kernel.org/r/20210210170654.5377-1-julien@xen.org Signed-off-by: Juergen Gross <jgross@suse.com>
2021-02-11Revert "dts: phy: add GPIO number and active state used for phy reset"Palmer Dabbelt1-1/+0
VSC8541 phys need a special reset sequence, which the driver doesn't currentlny support. As a result enabling the reset via GPIO essentially guarnteees that the device won't work correctly. We've been relying on bootloaders to reset the device for years, with this revert we'll go back to doing so until we can sort out how to get the reset sequence into the kernel. This reverts commit a0fa9d727043da2238432471e85de0bdb8a8df65. Fixes: a0fa9d727043 ("dts: phy: add GPIO number and active state used for phy reset") Cc: stable@vger.kernel.org Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2021-02-11x86/pci: Create PCI/MSI irqdomain after x86_init.pci.arch_init()Thomas Gleixner1-4/+11
Invoking x86_init.irqs.create_pci_msi_domain() before x86_init.pci.arch_init() breaks XEN PV. The XEN_PV specific pci.arch_init() function overrides the default create_pci_msi_domain() which is obviously too late. As a consequence the XEN PV PCI/MSI allocation goes through the native path which runs out of vectors and causes malfunction. Invoke it after x86_init.pci.arch_init(). Fixes: 6b15ffa07dc3 ("x86/irq: Initialize PCI/MSI domain at PCI init time") Reported-by: Juergen Gross <jgross@suse.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Juergen Gross <jgross@suse.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/87pn18djte.fsf@nanos.tec.linutronix.de
2021-02-10Merge tag 'pm-5.11-rc8' of ↵Linus Torvalds2-12/+104
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fixes from Rafael Wysocki: "Address a performance regression related to scale-invariance on x86 that may prevent turbo CPU frequencies from being used in certain workloads on systems using acpi-cpufreq as the CPU performance scaling driver and schedutil as the scaling governor" * tag 'pm-5.11-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: ACPI: Update arch scale-invariance max perf ratio if CPPC is not there cpufreq: ACPI: Extend frequency tables to cover boost frequencies
2021-02-10Merge tag 'acpi-5.11-rc8' of ↵Linus Torvalds1-4/+13
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI fix from Rafael Wysocki: "Revert a problematic ACPICA commit that changed the code to attempt to update memory regions which may be read-only on some systems (Ard Biesheuvel)" * tag 'acpi-5.11-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: Revert "ACPICA: Interpreter: fix memory leak by using existing buffer"
2021-02-10Merge tag 'dmaengine-fix2-5.11' of ↵Linus Torvalds8-63/+104
git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine Pull dmaengine fixes from Vinod Koul: "Some late fixes for dmaengine: Core: - fix channel device_node deletion Driver fixes: - dw: revert of runtime pm enabling - idxd: device state fix, interrupt completion and list corruption - ti: resource leak * tag 'dmaengine-fix2-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: dmaengine dw: Revert "dmaengine: dw: Enable runtime PM" dmaengine: idxd: check device state before issue command dmaengine: ti: k3-udma: Fix a resource leak in an error handling path dmaengine: move channel device_node deletion to driver dmaengine: idxd: fix misc interrupt completion dmaengine: idxd: Fix list corruption in description completion
2021-02-10Revert "io_uring: don't take fs for recvmsg/sendmsg"Jens Axboe1-2/+4
This reverts commit 10cad2c40dcb04bb46b2bf399e00ca5ea93d36b0. Petr reports that with this commit in place, io_uring fails the chroot test (CVE-202-29373). We do need to retain ->fs for send/recvmsg, so revert this commit. Reported-by: Petr Vorel <pvorel@suse.cz> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-02-10Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds48-134/+429
Pull networking fixes from David Miller: "Another pile of networing fixes: 1) ath9k build error fix from Arnd Bergmann 2) dma memory leak fix in mediatec driver from Lorenzo Bianconi. 3) bpf int3 kprobe fix from Alexei Starovoitov. 4) bpf stackmap integer overflow fix from Bui Quang Minh. 5) Add usb device ids for Cinterion MV31 to qmi_qwwan driver, from Christoph Schemmel. 6) Don't update deleted entry in xt_recent netfilter module, from Jazsef Kadlecsik. 7) Use after free in nftables, fix from Pablo Neira Ayuso. 8) Header checksum fix in flowtable from Sven Auhagen. 9) Validate user controlled length in qrtr code, from Sabyrzhan Tasbolatov. 10) Fix race in xen/netback, from Juergen Gross, 11) New device ID in cxgb4, from Raju Rangoju. 12) Fix ring locking in rxrpc release call, from David Howells. 13) Don't return LAPB error codes from x25_open(), from Xie He. 14) Missing error returns in gsi_channel_setup() from Alex Elder. 15) Get skb_copy_and_csum_datagram working properly with odd segment sizes, from Willem de Bruijn. 16) Missing RFS/RSS table init in enetc driver, from Vladimir Oltean. 17) Do teardown on probe failure in DSA, from Vladimir Oltean. 18) Fix compilation failures of txtimestamp selftest, from Vadim Fedorenko. 19) Limit rx per-napi gro queue size to fix latency regression, from Eric Dumazet. 20) dpaa_eth xdp fixes from Camelia Groza. 21) Missing txq mode update when switching CBS off, in stmmac driver, from Mohammad Athari Bin Ismail. 22) Failover pending logic fix in ibmvnic driver, from Sukadev Bhattiprolu. 23) Null deref fix in vmw_vsock, from Norbert Slusarek. 24) Missing verdict update in xdp paths of ena driver, from Shay Agroskin. 25) seq_file iteration fix in sctp from Neil Brown. 26) bpf 32-bit src register truncation fix on div/mod, from Daniel Borkmann. 27) Fix jmp32 pruning in bpf verifier, from Daniel Borkmann. 28) Fix locking in vsock_shutdown(), from Stefano Garzarella. 29) Various missing index bound checks in hns3 driver, from Yufeng Mo. 30) Flush ports on .phylink_mac_link_down() in dsa felix driver, from Vladimir Oltean. 31) Don't mix up stp and mrp port states in bridge layer, from Horatiu Vultur. 32) Fix locking during netif_tx_disable(), from Edwin Peer" * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (45 commits) bpf: Fix 32 bit src register truncation on div/mod bpf: Fix verifier jmp32 pruning decision logic bpf: Fix verifier jsgt branch analysis on max bound vsock: fix locking in vsock_shutdown() net: hns3: add a check for index in hclge_get_rss_key() net: hns3: add a check for tqp_index in hclge_get_ring_chain_from_mbx() net: hns3: add a check for queue_id in hclge_reset_vf_queue() net: dsa: felix: implement port flushing on .phylink_mac_link_down switchdev: mrp: Remove SWITCHDEV_ATTR_ID_MRP_PORT_STAT bridge: mrp: Fix the usage of br_mrp_port_switchdev_set_state net: watchdog: hold device global xmit lock during tx disable netfilter: nftables: relax check for stateful expressions in set definition netfilter: conntrack: skip identical origin tuple in same zone only vsock/virtio: update credit only if socket is not closed net: fix iteration for sctp transport seq_files net: ena: Update XDP verdict upon failure net/vmw_vsock: improve locking in vsock_connect_timeout() net/vmw_vsock: fix NULL pointer dereference ibmvnic: Clear failover_pending if unable to schedule net: stmmac: set TxQ mode back to DCB after disabling CBS ...
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