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2020-09-20Linux 5.9-rc6v5.9-rc6Linus Torvalds
2020-09-20Merge tag 'core_urgent_for_v5.9_rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull syscall tracing fix from Borislav Petkov: "Fix the seccomp syscall rewriting so that trace and audit see the rewritten syscall number, from Kees Cook" * tag 'core_urgent_for_v5.9_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: core/entry: Report syscall correctly for trace and audit
2020-09-20Merge tag 'objtool_urgent_for_v5.9_rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull objtool fix from Borislav Petkov: "Fix noreturn detection for ignored sibling functions (Josh Poimboeuf)" * tag 'objtool_urgent_for_v5.9_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: objtool: Fix noreturn detection for ignored functions
2020-09-20Merge tag 'locking_urgent_for_v5.9_rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fixes from Borislav Petkov: "Two fixes from the locking/urgent pile: - Fix lockdep's detection of "USED" <- "IN-NMI" inversions (Peter Zijlstra) - Make percpu-rwsem operations on the semaphore's ->read_count IRQ-safe because it can be used in an IRQ context (Hou Tao)" * tag 'locking_urgent_for_v5.9_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/percpu-rwsem: Use this_cpu_{inc,dec}() for read_count locking/lockdep: Fix "USED" <- "IN-NMI" inversions
2020-09-20Merge tag 'efi-urgent-for-v5.9-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull EFI fix from Borislav Petkov: "Ensure that the EFI bootloader control module only probes successfully on systems that support the EFI SetVariable runtime service" [ Tag and commit from Ard Biesheuvel, forwarded by Borislav ] * tag 'efi-urgent-for-v5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: efi: efibc: check for efivars write capability
2020-09-20Merge tag 'x86_urgent_for_v5.9_rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: - A defconfig fix (Daniel Díaz) - Disable relocation relaxation for the compressed kernel when not built as -pie as in that case kernels built with clang and linked with LLD fail to boot due to the linker optimizing some instructions in non-PIE form; the gory details in the commit message (Arvind Sankar) - A fix for the "bad bp value" warning issued by the frame-pointer unwinder (Josh Poimboeuf) * tag 'x86_urgent_for_v5.9_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/unwind/fp: Fix FP unwinding in ret_from_fork x86/boot/compressed: Disable relocation relaxation x86/defconfigs: Explicitly unset CONFIG_64BIT in i386_defconfig
2020-09-20Merge tag 'libnvdimm-fixes-5.9-rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull libnvdimm fixes from Dan Williams: "A handful of fixes to address a string of mistakes in the mechanism for device-mapper to determine if its component devices are dax capable. - Fix an original bug in device-mapper table reference counting when interrogating dax capability in the component device. This bug was hidden by the following bug. - Fix device-mapper to use the proper helper (dax_supported() instead of the leaf helper generic_fsdax_supported()) to determine dax operation of a stacked block device configuration. The original implementation is only valid for one level of dax-capable block device stacking. This bug was discovered while fixing the below regression. - Fix an infinite recursion regression introduced by broken attempts to quiet the generic_fsdax_supported() path and make it bail out before logging "dax capability not found" errors" * tag 'libnvdimm-fixes-5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: dax: Fix stack overflow when mounting fsdax pmem device dm: Call proper helper to determine dax support dm/dax: Fix table reference counts
2020-09-20Merge tag 'riscv-for-linus-5.9-rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fixes from Palmer Dabbelt: - A fix for a lockdep issue to avoid an asserting triggering during early boot. There shouldn't be any incorrect behavior as the system isn't concurrent at the time. - The addition of a missing fence when installing early fixmap mappings. - A corretion to the K210 device tree's interrupt map. - A fix for M-mode timer handling on the K210. * tag 'riscv-for-linus-5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: RISC-V: Resurrect the MMIO timer implementation for M-mode systems riscv: Fix Kendryte K210 device tree riscv: Add sfence.vma after early page table changes RISC-V: Take text_mutex in ftrace_init_nop()
2020-09-20Merge tag 'usb-5.9-rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB/Thunderbolt fixes from Greg KH: "Here are some small USB and one Thunderbolt driver fixes. Nothing major at all, just some fixes for reported issues, and a quirk addition: - typec fixes - UAS disconnect fix - usblp race fix - ehci-hcd modversions build fix - ignore wakeup quirk table addition - thunderbolt DROM read fix All of these have been in linux-next with no reported issues" * tag 'usb-5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usblp: fix race between disconnect() and read() ehci-hcd: Move include to keep CRC stable usb: typec: intel_pmc_mux: Handle SCU IPC error conditions USB: quirks: Add USB_QUIRK_IGNORE_REMOTE_WAKEUP quirk for BYD zhaoxin notebook USB: UAS: fix disconnect by unplugging a hub usb: typec: ucsi: Prevent mode overrun usb: typec: ucsi: acpi: Increase command completion timeout value thunderbolt: Retry DROM read once if parsing fails
2020-09-20Merge tag 'tty-5.9-rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial/fbcon fixes from Greg KH: "Here are some small tty/serial and one more fbcon fix. They include: - serial core locking regression fixes - new device ids for 8250_pci driver - fbcon fix for syzbot found issue All have been in linux-next with no reported issues" * tag 'tty-5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: fbcon: Fix user font detection test at fbcon_resize(). serial: 8250_pci: Add Realtek 816a and 816b serial: core: fix console port-lock regression serial: core: fix port-lock initialisation
2020-09-20Merge tag 'edac_urgent_for_v5.9_rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras Pull EDAC fixes from Borislav Petkov: "Two fixes for resulting from CONFIG_DEBUG_TEST_DRIVER_REMOVE=y experiments: - complete a previous fix to reset a local structure containing scanned system data properly so that the driver rescans, as it should, on a second load. - address a refcount underflow due to not paying attention to the driver whitelest on unregister" * tag 'edac_urgent_for_v5.9_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: EDAC/ghes: Check whether the driver is on the safe list correctly EDAC/ghes: Clear scanned data on unload
2020-09-20Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input fixes from Dmitry Torokhov: "Just a couple of driver quirks" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: trackpoint - add new trackpoint variant IDs Input: i8042 - add Entroware Proteus EL07R4 to nomux and reset lists
2020-09-20mm: fix wake_page_function() comment typosLinus Torvalds
Sedat Dilek pointed out some silly comment typo issues. Reported-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-09-20Merge tag 'kbuild-fixes-v5.9-3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: "Fix qconf warnings and revive help message" * tag 'kbuild-fixes-v5.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kconfig: qconf: revive help message in the info view kconfig: qconf: fix incomplete type 'struct gstr' warning kconfig: qconf: use delete[] instead of delete to free array (again)
2020-09-20dax: Fix stack overflow when mounting fsdax pmem deviceAdrian Huang
When mounting fsdax pmem device, commit 6180bb446ab6 ("dax: fix detection of dax support for non-persistent memory block devices") introduces the stack overflow [1][2]. Here is the call path for mounting ext4 file system: ext4_fill_super bdev_dax_supported __bdev_dax_supported dax_supported generic_fsdax_supported __generic_fsdax_supported bdev_dax_supported The call path leads to the infinite calling loop, so we cannot call bdev_dax_supported() in __generic_fsdax_supported(). The sanity checking of the variable 'dax_dev' is moved prior to the two bdev_dax_pgoff() checks [3][4]. [1] https://lore.kernel.org/linux-nvdimm/1420999447.1004543.1600055488770.JavaMail.zimbra@redhat.com/ [2] https://lore.kernel.org/linux-nvdimm/alpine.LRH.2.02.2009141131220.30651@file01.intranet.prod.int.rdu2.redhat.com/ [3] https://lore.kernel.org/linux-nvdimm/CA+RJvhxBHriCuJhm-D8NvJRe3h2MLM+ZMFgjeJjrRPerMRLvdg@mail.gmail.com/ [4] https://lore.kernel.org/linux-nvdimm/20200903160608.GU878166@iweiny-DESK2.sc.intel.com/ Fixes: 6180bb446ab6 ("dax: fix detection of dax support for non-persistent memory block devices") Reported-by: Yi Zhang <yi.zhang@redhat.com> Reported-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Adrian Huang <ahuang12@lenovo.com> Reviewed-by: Jan Kara <jack@suse.cz> Tested-by: Ritesh Harjani <riteshh@linux.ibm.com> Cc: Coly Li <colyli@suse.de> Cc: Ira Weiny <ira.weiny@intel.com> Cc: John Pittman <jpittman@redhat.com> Link: https://lore.kernel.org/r/20200917111549.6367-1-adrianhuang0701@gmail.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2020-09-20dm: Call proper helper to determine dax supportJan Kara
DM was calling generic_fsdax_supported() to determine whether a device referenced in the DM table supports DAX. However this is a helper for "leaf" device drivers so that they don't have to duplicate common generic checks. High level code should call dax_supported() helper which that calls into appropriate helper for the particular device. This problem manifested itself as kernel messages: dm-3: error: dax access failed (-95) when lvm2-testsuite run in cases where a DM device was stacked on top of another DM device. Fixes: 7bf7eac8d648 ("dax: Arrange for dax_supported check to span multiple devices") Cc: <stable@vger.kernel.org> Tested-by: Adrian Huang <ahuang12@lenovo.com> Signed-off-by: Jan Kara <jack@suse.cz> Acked-by: Mike Snitzer <snitzer@redhat.com> Reported-by: kernel test robot <lkp@intel.com> Link: https://lore.kernel.org/r/160061715195.13131.5503173247632041975.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2020-09-20dm/dax: Fix table reference countsDan Williams
A recent fix to the dm_dax_supported() flow uncovered a latent bug. When dm_get_live_table() fails it is still required to drop the srcu_read_lock(). Without this change the lvm2 test-suite triggers this warning: # lvm2-testsuite --only pvmove-abort-all.sh WARNING: lock held when returning to user space! 5.9.0-rc5+ #251 Tainted: G OE ------------------------------------------------ lvm/1318 is leaving the kernel with locks still held! 1 lock held by lvm/1318: #0: ffff9372abb5a340 (&md->io_barrier){....}-{0:0}, at: dm_get_live_table+0x5/0xb0 [dm_mod] ...and later on this hang signature: INFO: task lvm:1344 blocked for more than 122 seconds. Tainted: G OE 5.9.0-rc5+ #251 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:lvm state:D stack: 0 pid: 1344 ppid: 1 flags:0x00004000 Call Trace: __schedule+0x45f/0xa80 ? finish_task_switch+0x249/0x2c0 ? wait_for_completion+0x86/0x110 schedule+0x5f/0xd0 schedule_timeout+0x212/0x2a0 ? __schedule+0x467/0xa80 ? wait_for_completion+0x86/0x110 wait_for_completion+0xb0/0x110 __synchronize_srcu+0xd1/0x160 ? __bpf_trace_rcu_utilization+0x10/0x10 __dm_suspend+0x6d/0x210 [dm_mod] dm_suspend+0xf6/0x140 [dm_mod] Fixes: 7bf7eac8d648 ("dax: Arrange for dax_supported check to span multiple devices") Cc: <stable@vger.kernel.org> Cc: Jan Kara <jack@suse.cz> Cc: Alasdair Kergon <agk@redhat.com> Cc: Mike Snitzer <snitzer@redhat.com> Reported-by: Adrian Huang <ahuang12@lenovo.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Tested-by: Adrian Huang <ahuang12@lenovo.com> Link: https://lore.kernel.org/r/160045867590.25663.7548541079217827340.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2020-09-20kconfig: qconf: revive help message in the info viewMasahiro Yamada
Since commit 68fd110b3e7e ("kconfig: qconf: remove redundant help in the info view"), the help message is no longer displayed. I intended to drop duplicated "Symbol:", "Type:", but precious info about help and reverse dependencies was lost too. Revive it now. "defined at" is contained in menu_get_ext_help(), so I made sure to not display it twice. Fixes: 68fd110b3e7e ("kconfig: qconf: remove redundant help in the info view") Reported-by: Maxim Levitsky <mlevitsk@redhat.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-09-20kconfig: qconf: fix incomplete type 'struct gstr' warningMasahiro Yamada
"make HOSTCXX=clang++ xconfig" reports the following: HOSTCXX scripts/kconfig/qconf.o In file included from scripts/kconfig/qconf.cc:23: In file included from scripts/kconfig/lkc.h:15: scripts/kconfig/lkc_proto.h:26:13: warning: 'get_relations_str' has C-linkage specified, but returns incomplete type 'struct gstr' which could be incompatible with C [-Wreturn-type-c-linkage] struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head); ^ Currently, get_relations_str() is declared before the struct gstr definition. Move all declarations of menu.c functions below. BTW, some are declared in lkc.h and some in lkc_proto.h, but the difference is unclear. I guess some refactoring is needed. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Boris Kolpackov <boris@codesynthesis.com>
2020-09-19Merge branch 'akpm' (patches from Andrew)Linus Torvalds
Merge fixes from Andrew Morton: "15 patches. Subsystems affected by this patch series: mailmap, mm/hotfixes, mm/thp, mm/memory-hotplug, misc, kcsan" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: kcsan: kconfig: move to menu 'Generic Kernel Debugging Instruments' fs/fs-writeback.c: adjust dirtytime_interval_handler definition to match prototype stackleak: let stack_erasing_sysctl take a kernel pointer buffer ftrace: let ftrace_enable_sysctl take a kernel pointer buffer mm/memory_hotplug: drain per-cpu pages again during memory offline selftests/vm: fix display of page size in map_hugetlb mm/thp: fix __split_huge_pmd_locked() for migration PMD kprobes: fix kill kprobe which has been marked as gone tmpfs: restore functionality of nr_inodes=0 mlock: fix unevictable_pgs event counts on THP mm: fix check_move_unevictable_pages() on THP mm: migration of hugetlbfs page skip memcg ksm: reinstate memcg charge on copied pages mailmap: add older email addresses for Kees Cook
2020-09-19Merge branch 'i2c/for-current' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: "Another bunch of fixes for I2C. Jean's i801 patch is a cleanup on top of Volker's i801 patch, but it will make dependency handling much easier if those two go together" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: mxs: use MXS_DMA_CTRL_WAIT4END instead of DMA_CTRL_ACK i2c: mediatek: Send i2c master code at more than 1MHz i2c: mediatek: Fix generic definitions for bus frequency i2c: core: Call i2c_acpi_install_space_handler() before i2c_acpi_register_devices() i2c: i801: Simplify the suspend callback i2c: i801: Fix resume bug i2c: aspeed: Mask IRQ status to relevant bits
2020-09-19RISC-V: Resurrect the MMIO timer implementation for M-mode systemsPalmer Dabbelt
The K210 doesn't implement rdtime in M-mode, and since that's where Linux runs in the NOMMU systems that means we can't use rdtime. The K210 is the only system that anyone is currently running NOMMU or M-mode on, so here we're just inlining the timer read directly. This also adds the CLINT driver as an !MMU dependency, as it's currently the only timer driver availiable for these systems and without it we get a build failure for some configurations. Tested-by: Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2020-09-19riscv: Fix Kendryte K210 device treeDamien Le Moal
The Kendryte K210 SoC CLINT is compatible with Sifive clint v0 (sifive,clint0). Fix the Kendryte K210 device tree clint entry to be inline with the sifive timer definition documented in Documentation/devicetree/bindings/timer/sifive,clint.yaml. The device tree clint entry is renamed similarly to u-boot device tree definition to improve compatibility with u-boot defined device tree. To ensure correct initialization, the interrup-cells attribute is added and the interrupt-extended attribute definition fixed. This fixes boot failures with Kendryte K210 SoC boards. Note that the clock referenced is kept as K210_CLK_ACLK, which does not necessarilly match the clint MTIME increment rate. This however does not seem to cause any problem for now. Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2020-09-19riscv: Add sfence.vma after early page table changesGreentime Hu
This invalidates local TLB after modifying the page tables during early init as it's too early to handle suprious faults as we otherwise do. Fixes: f2c17aabc917 ("RISC-V: Implement compile-time fixed mappings") Reported-by: Syven Wang <syven.wang@sifive.com> Signed-off-by: Syven Wang <syven.wang@sifive.com> Signed-off-by: Greentime Hu <greentime.hu@sifive.com> Reviewed-by: Anup Patel <anup@brainfault.org> [Palmer: Cleaned up the commit text] Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2020-09-19kcsan: kconfig: move to menu 'Generic Kernel Debugging Instruments'Changbin Du
This moves the KCSAN kconfig items under menu 'Generic Kernel Debugging Instruments' where UBSAN resides. Signed-off-by: Changbin Du <changbin.du@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Marco Elver <elver@google.com> Link: https://lkml.kernel.org/r/20200904152224.5570-1-changbin.du@gmail.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-09-19fs/fs-writeback.c: adjust dirtytime_interval_handler definition to match ↵Tobias Klauser
prototype Commit 32927393dc1c ("sysctl: pass kernel pointers to ->proc_handler") changed ctl_table.proc_handler to take a kernel pointer. Adjust the definition of dirtytime_interval_handler to match its prototype in linux/writeback.h which fixes the following sparse error/warning: fs/fs-writeback.c:2189:50: warning: incorrect type in argument 3 (different address spaces) fs/fs-writeback.c:2189:50: expected void * fs/fs-writeback.c:2189:50: got void [noderef] __user *buffer fs/fs-writeback.c:2184:5: error: symbol 'dirtytime_interval_handler' redeclared with different type (incompatible argument 3 (different address spaces)): fs/fs-writeback.c:2184:5: int extern [addressable] [signed] [toplevel] dirtytime_interval_handler( ... ) fs/fs-writeback.c: note: in included file: ./include/linux/writeback.h:374:5: note: previously declared as: ./include/linux/writeback.h:374:5: int extern [addressable] [signed] [toplevel] dirtytime_interval_handler( ... ) Fixes: 32927393dc1c ("sysctl: pass kernel pointers to ->proc_handler") Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Jan Kara <jack@suse.cz> Cc: Christoph Hellwig <hch@lst.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Link: https://lkml.kernel.org/r/20200907093140.13434-1-tklauser@distanz.ch Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-09-19stackleak: let stack_erasing_sysctl take a kernel pointer bufferTobias Klauser
Commit 32927393dc1c ("sysctl: pass kernel pointers to ->proc_handler") changed ctl_table.proc_handler to take a kernel pointer. Adjust the signature of stack_erasing_sysctl to match ctl_table.proc_handler which fixes the following sparse warning: kernel/stackleak.c:31:50: warning: incorrect type in argument 3 (different address spaces) kernel/stackleak.c:31:50: expected void * kernel/stackleak.c:31:50: got void [noderef] __user *buffer Fixes: 32927393dc1c ("sysctl: pass kernel pointers to ->proc_handler") Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Link: https://lkml.kernel.org/r/20200907093253.13656-1-tklauser@distanz.ch Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-09-19ftrace: let ftrace_enable_sysctl take a kernel pointer bufferTobias Klauser
Commit 32927393dc1c ("sysctl: pass kernel pointers to ->proc_handler") changed ctl_table.proc_handler to take a kernel pointer. Adjust the signature of ftrace_enable_sysctl to match ctl_table.proc_handler which fixes the following sparse warning: kernel/trace/ftrace.c:7544:43: warning: incorrect type in argument 3 (different address spaces) kernel/trace/ftrace.c:7544:43: expected void * kernel/trace/ftrace.c:7544:43: got void [noderef] __user *buffer Fixes: 32927393dc1c ("sysctl: pass kernel pointers to ->proc_handler") Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Link: https://lkml.kernel.org/r/20200907093207.13540-1-tklauser@distanz.ch Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-09-19mm/memory_hotplug: drain per-cpu pages again during memory offlinePavel Tatashin
There is a race during page offline that can lead to infinite loop: a page never ends up on a buddy list and __offline_pages() keeps retrying infinitely or until a termination signal is received. Thread#1 - a new process: load_elf_binary begin_new_exec exec_mmap mmput exit_mmap tlb_finish_mmu tlb_flush_mmu release_pages free_unref_page_list free_unref_page_prepare set_pcppage_migratetype(page, migratetype); // Set page->index migration type below MIGRATE_PCPTYPES Thread#2 - hot-removes memory __offline_pages start_isolate_page_range set_migratetype_isolate set_pageblock_migratetype(page, MIGRATE_ISOLATE); Set migration type to MIGRATE_ISOLATE-> set drain_all_pages(zone); // drain per-cpu page lists to buddy allocator. Thread#1 - continue free_unref_page_commit migratetype = get_pcppage_migratetype(page); // get old migration type list_add(&page->lru, &pcp->lists[migratetype]); // add new page to already drained pcp list Thread#2 Never drains pcp again, and therefore gets stuck in the loop. The fix is to try to drain per-cpu lists again after check_pages_isolated_cb() fails. Fixes: c52e75935f8d ("mm: remove extra drain pages on pcp list") Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: David Rientjes <rientjes@google.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: David Hildenbrand <david@redhat.com> Cc: Oscar Salvador <osalvador@suse.de> Cc: Wei Yang <richard.weiyang@gmail.com> Cc: <stable@vger.kernel.org> Link: https://lkml.kernel.org/r/20200903140032.380431-1-pasha.tatashin@soleen.com Link: https://lkml.kernel.org/r/20200904151448.100489-2-pasha.tatashin@soleen.com Link: http://lkml.kernel.org/r/20200904070235.GA15277@dhcp22.suse.cz Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-09-19selftests/vm: fix display of page size in map_hugetlbChristophe Leroy
The displayed size is in bytes while the text says it is in kB. Shift it by 10 to really display kBytes. Fixes: fa7b9a805c79 ("tools/selftest/vm: allow choosing mem size and page size in map_hugetlb") Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: <stable@vger.kernel.org> Link: https://lkml.kernel.org/r/e27481224564a93d14106e750de31189deaa8bc8.1598861977.git.christophe.leroy@csgroup.eu Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-09-19mm/thp: fix __split_huge_pmd_locked() for migration PMDRalph Campbell
A migrating transparent huge page has to already be unmapped. Otherwise, the page could be modified while it is being copied to a new page and data could be lost. The function __split_huge_pmd() checks for a PMD migration entry before calling __split_huge_pmd_locked() leading one to think that __split_huge_pmd_locked() can handle splitting a migrating PMD. However, the code always increments the page->_mapcount and adjusts the memory control group accounting assuming the page is mapped. Also, if the PMD entry is a migration PMD entry, the call to is_huge_zero_pmd(*pmd) is incorrect because it calls pmd_pfn(pmd) instead of migration_entry_to_pfn(pmd_to_swp_entry(pmd)). Fix these problems by checking for a PMD migration entry. Fixes: 84c3fc4e9c56 ("mm: thp: check pmd migration entry in common path") Signed-off-by: Ralph Campbell <rcampbell@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Yang Shi <shy828301@gmail.com> Reviewed-by: Zi Yan <ziy@nvidia.com> Cc: Jerome Glisse <jglisse@redhat.com> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Bharata B Rao <bharata@linux.ibm.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Shuah Khan <shuah@kernel.org> Cc: <stable@vger.kernel.org> [4.14+] Link: https://lkml.kernel.org/r/20200903183140.19055-1-rcampbell@nvidia.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-09-19kprobes: fix kill kprobe which has been marked as goneMuchun Song
If a kprobe is marked as gone, we should not kill it again. Otherwise, we can disarm the kprobe more than once. In that case, the statistics of kprobe_ftrace_enabled can unbalance which can lead to that kprobe do not work. Fixes: e8386a0cb22f ("kprobes: support probing module __exit function") Co-developed-by: Chengming Zhou <zhouchengming@bytedance.com> Signed-off-by: Muchun Song <songmuchun@bytedance.com> Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: "Naveen N . Rao" <naveen.n.rao@linux.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: David S. Miller <davem@davemloft.net> Cc: Song Liu <songliubraving@fb.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: <stable@vger.kernel.org> Link: https://lkml.kernel.org/r/20200822030055.32383-1-songmuchun@bytedance.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-09-19tmpfs: restore functionality of nr_inodes=0Byron Stanoszek
Commit e809d5f0b5c9 ("tmpfs: per-superblock i_ino support") made changes to shmem_reserve_inode() in mm/shmem.c, however the original test for (sbinfo->max_inodes) got dropped. This causes mounting tmpfs with option nr_inodes=0 to fail: # mount -ttmpfs -onr_inodes=0 none /ext0 mount: /ext0: mount(2) system call failed: Cannot allocate memory. This patch restores the nr_inodes=0 functionality. Fixes: e809d5f0b5c9 ("tmpfs: per-superblock i_ino support") Signed-off-by: Byron Stanoszek <gandalf@winds.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Hugh Dickins <hughd@google.com> Acked-by: Chris Down <chris@chrisdown.name> Link: https://lkml.kernel.org/r/20200902035715.16414-1-gandalf@winds.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-09-19mlock: fix unevictable_pgs event counts on THPHugh Dickins
5.8 commit 5d91f31faf8e ("mm: swap: fix vmstats for huge page") has established that vm_events should count every subpage of a THP, including unevictable_pgs_culled and unevictable_pgs_rescued; but lru_cache_add_inactive_or_unevictable() was not doing so for unevictable_pgs_mlocked, and mm/mlock.c was not doing so for unevictable_pgs mlocked, munlocked, cleared and stranded. Fix them; but THPs don't go the pagevec way in mlock.c, so no fixes needed on that path. Fixes: 5d91f31faf8e ("mm: swap: fix vmstats for huge page") Signed-off-by: Hugh Dickins <hughd@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Shakeel Butt <shakeelb@google.com> Acked-by: Yang Shi <shy828301@gmail.com> Cc: Alex Shi <alex.shi@linux.alibaba.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Qian Cai <cai@lca.pw> Link: http://lkml.kernel.org/r/alpine.LSU.2.11.2008301408230.5954@eggly.anvils Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-09-19mm: fix check_move_unevictable_pages() on THPHugh Dickins
check_move_unevictable_pages() is used in making unevictable shmem pages evictable: by shmem_unlock_mapping(), drm_gem_check_release_pagevec() and i915/gem check_release_pagevec(). Those may pass down subpages of a huge page, when /sys/kernel/mm/transparent_hugepage/shmem_enabled is "force". That does not crash or warn at present, but the accounting of vmstats unevictable_pgs_scanned and unevictable_pgs_rescued is inconsistent: scanned being incremented on each subpage, rescued only on the head (since tails already appear evictable once the head has been updated). 5.8 commit 5d91f31faf8e ("mm: swap: fix vmstats for huge page") has established that vm_events in general (and unevictable_pgs_rescued in particular) should count every subpage: so follow that precedent here. Do this in such a way that if mem_cgroup_page_lruvec() is made stricter (to check page->mem_cgroup is always set), no problem: skip the tails before calling it, and add thp_nr_pages() to vmstats on the head. Signed-off-by: Hugh Dickins <hughd@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Shakeel Butt <shakeelb@google.com> Acked-by: Yang Shi <shy828301@gmail.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Qian Cai <cai@lca.pw> Link: http://lkml.kernel.org/r/alpine.LSU.2.11.2008301405000.5954@eggly.anvils Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-09-19mm: migration of hugetlbfs page skip memcgHugh Dickins
hugetlbfs pages do not participate in memcg: so although they do find most of migrate_page_states() useful, it would be better if they did not call into mem_cgroup_migrate() - where Qian Cai reported that LTP's move_pages12 triggers the warning in Alex Shi's prospective commit "mm/memcg: warning on !memcg after readahead page charged". Signed-off-by: Hugh Dickins <hughd@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Shakeel Butt <shakeelb@google.com> Acked-by: Johannes Weiner <hannes@cmpxch.org> Cc: Alex Shi <alex.shi@linux.alibaba.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Qian Cai <cai@lca.pw> Link: http://lkml.kernel.org/r/alpine.LSU.2.11.2008301359460.5954@eggly.anvils Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-09-19ksm: reinstate memcg charge on copied pagesHugh Dickins
Patch series "mm: fixes to past from future testing". Here's a set of independent fixes against 5.9-rc2: prompted by testing Alex Shi's "warning on !memcg" and lru_lock series, but I think fit for 5.9 - though maybe only the first for stable. This patch (of 5): In 5.8 some instances of memcg charging in do_swap_page() and unuse_pte() were removed, on the understanding that swap cache is now already charged at those points; but a case was missed, when ksm_might_need_to_copy() has decided it must allocate a substitute page: such pages were never charged. Fix it inside ksm_might_need_to_copy(). This was discovered by Alex Shi's prospective commit "mm/memcg: warning on !memcg after readahead page charged". But there is a another surprise: this also fixes some rarer uncharged PageAnon cases, when KSM is configured in, but has never been activated. ksm_might_need_to_copy()'s anon_vma->root and linear_page_index() check sometimes catches a case which would need to have been copied if KSM were turned on. Or that's my optimistic interpretation (of my own old code), but it leaves some doubt as to whether everything is working as intended there - might it hint at rare anon ptes which rmap cannot find? A question not easily answered: put in the fix for missed memcg charges. Cc; Matthew Wilcox <willy@infradead.org> Fixes: 4c6355b25e8b ("mm: memcontrol: charge swapin pages on instantiation") Signed-off-by: Hugh Dickins <hughd@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Shakeel Butt <shakeelb@google.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Cc: Alex Shi <alex.shi@linux.alibaba.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Qian Cai <cai@lca.pw> Cc: <stable@vger.kernel.org> [5.8] Link: http://lkml.kernel.org/r/alpine.LSU.2.11.2008301343270.5954@eggly.anvils Link: http://lkml.kernel.org/r/alpine.LSU.2.11.2008301358020.5954@eggly.anvils Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-09-19mailmap: add older email addresses for Kees CookKees Cook
This adds explicit mailmap entries for my older/other email addresses. Reported-by: Joe Perches <joe@perches.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Jonathan Corbet <corbet@lwn.net> Link: https://lkml.kernel.org/r/20200910193939.3798377-1-keescook@chromium.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-09-18Merge tag 's390-5.9-6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Vasily Gorbik: - Fix order in trace_hardirqs_off_caller() to make locking state consistent even if the IRQ tracer calls into lockdep again. Touches common code. Acked-by Peter Zijlstra. - Correctly handle secure storage violation exception to avoid kernel panic triggered by user space misbehaviour. - Switch the idle->seqcount over to using raw_write_*() to avoid "suspicious RCU usage". - Fix memory leaks on hard unplug in pci code. - Use kvmalloc instead of kmalloc for larger allocations in zcrypt. - Add few missing __init annotations to static functions to avoid section mismatch complains when functions are not inlined. * tag 's390-5.9-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390: add 3f program exception handler lockdep: fix order in trace_hardirqs_off_caller() s390/pci: fix leak of DMA tables on hard unplug s390/init: add missing __init annotations s390/zcrypt: fix kmalloc 256k failure s390/idle: fix suspicious RCU usage
2020-09-18i2c: mxs: use MXS_DMA_CTRL_WAIT4END instead of DMA_CTRL_ACKMatthias Schiffer
The driver-specific usage of the DMA_CTRL_ACK flag was replaced with a custom flag in commit ceeeb99cd821 ("dmaengine: mxs: rename custom flag"), but i2c-mxs was not updated to use the new flag, completely breaking I2C transactions using DMA. Fixes: ceeeb99cd821 ("dmaengine: mxs: rename custom flag") Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com> Reviewed-by: Fabio Estevam <festevam@gmail.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-09-18i2c: mediatek: Send i2c master code at more than 1MHzQii Wang
The master code needs to being sent when the speed is more than I2C_MAX_FAST_MODE_PLUS_FREQ, not I2C_MAX_FAST_MODE_FREQ in the latest I2C-bus specification and user manual. Signed-off-by: Qii Wang <qii.wang@mediatek.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-09-18i2c: mediatek: Fix generic definitions for bus frequencyQii Wang
The max frequency of mediatek i2c controller driver is I2C_MAX_HIGH_SPEED_MODE_FREQ, not I2C_MAX_FAST_MODE_PLUS_FREQ. Fix it. Fixes: 90224e6468e1 ("i2c: drivers: Use generic definitions for bus frequencies") Reviewed-by: Yingjoe Chen <yingjoe.chen@mediatek.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Qii Wang <qii.wang@mediatek.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-09-18Merge tag 'sh-for-5.9-part2' of git://git.libc.org/linux-shLinus Torvalds
Pull arch/sh fixes from Rich Felker: "Fixes for build and function regression" * tag 'sh-for-5.9-part2' of git://git.libc.org/linux-sh: sh: fix syscall tracing sh: remove spurious circular inclusion from asm/smp.h
2020-09-18Merge tag 'arm64-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Catalin Marinas: - Allow CPUs affected by erratum 1418040 to come online late (previously we only fixed the other case - CPUs not affected by the erratum coming up late). - Fix branch offset in BPF JIT. - Defer the stolen time initialisation to the CPU online time from the CPU starting time to avoid a (sleep-able) memory allocation in an atomic context. * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: paravirt: Initialize steal time when cpu is online arm64: bpf: Fix branch offset in JIT arm64: Allow CPUs unffected by ARM erratum 1418040 to come in late
2020-09-18Merge tag 'powerpc-5.9-5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "Some more powerpc fixes for 5.9: - Opt us out of the DEBUG_VM_PGTABLE support for now as it's causing crashes. - Fix a long standing bug in our DMA mask handling that was hidden until recently, and which caused problems with some drivers. - Fix a boot failure on systems with large amounts of RAM, and no hugepage support and using Radix MMU, only seen in the lab. - A few other minor fixes. Thanks to Alexey Kardashevskiy, Aneesh Kumar K.V, Gautham R. Shenoy, Hari Bathini, Ira Weiny, Nick Desaulniers, Shirisha Ganta, Vaibhav Jain, and Vaidyanathan Srinivasan" * tag 'powerpc-5.9-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/papr_scm: Limit the readability of 'perf_stats' sysfs attribute cpuidle: pseries: Fix CEDE latency conversion from tb to us powerpc/dma: Fix dma_map_ops::get_required_mask Revert "powerpc/build: vdso linker warning for orphan sections" powerpc/mm: Remove DEBUG_VM_PGTABLE support on powerpc selftests/powerpc: Skip PROT_SAO test in guests/LPARS powerpc/book3s64/radix: Fix boot failure with large amount of guest memory
2020-09-18Merge tag 'pm-5.9-rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management updates from Rafael Wysocki: "These add a new CPU ID to the RAPL power capping driver and prevent the ACPI processor idle driver from triggering RCU-lockdep complaints. Specifics: - Add support for the Lakefield chip to the RAPL power capping driver (Ricardo Neri). - Modify the ACPI processor idle driver to prevent it from triggering RCU-lockdep complaints which has started to happen after recent changes in that area (Peter Zijlstra)" * tag 'pm-5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI: processor: Take over RCU-idle for C3-BM idle cpuidle: Allow cpuidle drivers to take over RCU-idle ACPI: processor: Use CPUIDLE_FLAG_TLB_FLUSHED ACPI: processor: Use CPUIDLE_FLAG_TIMER_STOP powercap: RAPL: Add support for Lakefield
2020-09-18Merge tag 'sound-5.9-rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Here is a collection of fixes for 5.9. All look small and are nothing scary. The majority of changes are about ASoC driver- specific fixes, while there are a couple of ASoC core fixes (DAI lookup and lockdep stuff) and usual HD-audio quirks" * tag 'sound-5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (23 commits) ALSA: hda/realtek - The Mic on a RedmiBook doesn't work ASoC: tlv320adcx140: Wake up codec before accessing register ASoC: core: Do not cleanup uninitialized dais on soc_pcm_open failure ALSA: hda: fixup headset for ASUS GX502 laptop ASoC: Intel: bytcr_rt5640: Add quirk for MPMAN Converter9 2-in-1 ASoC: Intel: haswell: Fix power transition refactor ASoC: tlv320adcx140: Fix accessing uninitialized adcx140->dev ASoC: wm8994: Ensure the device is resumed in wm89xx_mic_detect functions ASoC: wm8994: Skip setting of the WM8994_MICBIAS register for WM1811 ASoC: meson: axg-toddr: fix channel order on g12 platforms ASoC: soc-core: add snd_soc_find_dai_with_mutex() ASoC: qcom: common: Fix refcount imbalance on error ASoC: rt700: Fix return check for devm_regmap_init_sdw() ASoC: rt715: Fix return check for devm_regmap_init_sdw() ASoC: rt711: Fix return check for devm_regmap_init_sdw() ASoC: rt1308-sdw: Fix return check for devm_regmap_init_sdw() ASoC: max98373: Fix return check for devm_regmap_init_sdw() ASoC: ti: fixup ams_delta_mute() function name ASoC: pcm3168a: ignore 0 Hz settings ASoC: Intel: tgl_max98373: fix a runtime pm issue in multi-thread case ...
2020-09-18Merge tag 'iommu-fixes-v5.9-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull iommu fixes from Joerg Roedel: "Two fixes for the AMD IOMMU driver: - Fix a potential NULL-ptr dereference found by smatch - Fix interrupt remapping when a device is assigned to a guest and AVIC is enabled" * tag 'iommu-fixes-v5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/amd: Restore IRTE.RemapEn bit for amd_iommu_activate_guest_mode iommu/amd: Fix potential @entry null deref
2020-09-18Merge tag 'mtd/fixes-for-5.9-rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux Pull MTD/SPI NOR fixes from Vignesh Raghavendra: "Revert patches that caused non volatile Quad Enable bit to be cleared for certain SPI NOR flashes during module remove or during shutdown, thus breaking backward compatibility" Acked-by: Miquel Raynal <miquel.raynal@bootlin.com> * tag 'mtd/fixes-for-5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: Revert "mtd: spi-nor: Add capability to disable flash quad mode" Revert "mtd: spi-nor: Disable the flash quad mode in spi_nor_restore()"
2020-09-18objtool: Fix noreturn detection for ignored functionsJosh Poimboeuf
When a function is annotated with STACK_FRAME_NON_STANDARD, objtool doesn't validate its code paths. It also skips sibling call detection within the function. But sibling call detection is actually needed for the case where the ignored function doesn't have any return instructions. Otherwise objtool naively marks the function as implicit static noreturn, which affects the reachability of its callers, resulting in "unreachable instruction" warnings. Fix it by just enabling sibling call detection for ignored functions. The 'insn->ignore' check in add_jump_destinations() is no longer needed after e6da9567959e ("objtool: Don't use ignore flag for fake jumps"). Fixes the following warning: arch/x86/kvm/vmx/vmx.o: warning: objtool: vmx_handle_exit_irqoff()+0x142: unreachable instruction which triggers on an allmodconfig with CONFIG_GCOV_KERNEL unset. Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lkml.kernel.org/r/5b1e2536cdbaa5246b60d7791b76130a74082c62.1599751464.git.jpoimboe@redhat.com
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