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[patch 08/11] fs/iomap.c: get/put the page in iomap_page_create/release()

by akpm＠linux-foundation.org

From: Piotr Jaroszynski <pjaroszynski(a)nvidia.com> Subject: fs/iomap.c: get/put the page in iomap_page_create/release() migrate_page_move_mapping() expects pages with private data set to have a page_count elevated by 1. This is what used to happen for xfs through the buffer_heads code before the switch to iomap in commit 82cb14175e7d ("xfs: add support for sub-pagesize writeback without buffer_heads"). Not having the count elevated causes move_pages() to fail on memory mapped files coming from xfs. Make iomap compatible with the migrate_page_move_mapping() assumption by elevating the page count as part of iomap_page_create() and lowering it in iomap_page_release(). It causes the move_pages() syscall to misbehave on memory mapped files from xfs. It does not not move any pages, which I suppose is "just" a perf issue, but it also ends up returning a positive number which is out of spec for the syscall. Talking to Michal Hocko, it sounds like returning positive numbers might be a necessary update to move_pages() anyway though (https://lkml.kernel.org/r/20181116114955.GJ14706@dhcp22.suse.cz). I only hit this in tests that verify that move_pages() actually moved the pages. The test also got confused by the positive return from move_pages() (it got treated as a success as positive numbers were not expected and not handled) making it a bit harder to track down what's going on. Link: http://lkml.kernel.org/r/20181115184140.1388751-1-pjaroszynski@nvidia.com Fixes: 82cb14175e7d ("xfs: add support for sub-pagesize writeback without buffer_heads") Signed-off-by: Piotr Jaroszynski <pjaroszynski(a)nvidia.com> Reviewed-by: Christoph Hellwig <hch(a)lst.de> Cc: William Kucharski <william.kucharski(a)oracle.com> Cc: Darrick J. Wong <darrick.wong(a)oracle.com> Cc: Brian Foster <bfoster(a)redhat.com> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- fs/iomap.c | 7 +++++++ 1 file changed, 7 insertions(+) --- a/fs/iomap.c~iomap-get-put-the-page-in-iomap_page_create-release +++ a/fs/iomap.c @@ -116,6 +116,12 @@ iomap_page_create(struct inode *inode, s atomic_set(&iop->read_count, 0); atomic_set(&iop->write_count, 0); bitmap_zero(iop->uptodate, PAGE_SIZE / SECTOR_SIZE); + + /* + * migrate_page_move_mapping() assumes that pages with private data have + * their count elevated by 1. + */ + get_page(page); set_page_private(page, (unsigned long)iop); SetPagePrivate(page); return iop; @@ -132,6 +138,7 @@ iomap_page_release(struct page *page) WARN_ON_ONCE(atomic_read(&iop->write_count)); ClearPagePrivate(page); set_page_private(page, 0); + put_page(page); kfree(iop); } _

7 years

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[RESEND PATCH v4 1/3] fs/dcache: Fix incorrect nr_dentry_unused accounting in shrink_dcache_sb()

by Waiman Long

The nr_dentry_unused per-cpu counter tracks dentries in both the LRU lists and the shrink lists where the DCACHE_LRU_LIST bit is set. The shrink_dcache_sb() function moves dentries from the LRU list to a shrink list and subtracts the dentry count from nr_dentry_unused. This is incorrect as the nr_dentry_unused count Will also be decremented in shrink_dentry_list() via d_shrink_del(). To fix this double decrement, the decrement in the shrink_dcache_sb() function is taken out. Fixes: 4e717f5c1083 ("list_lru: remove special case function list_lru_dispose_all." Cc: stable(a)vger.kernel.org Signed-off-by: Waiman Long <longman(a)redhat.com> Reviewed-by: Dave Chinner <dchinner(a)redhat.com> --- fs/dcache.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/fs/dcache.c b/fs/dcache.c index 2593153..44e5652 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1188,15 +1188,11 @@ static enum lru_status dentry_lru_isolate_shrink(struct list_head *item, */ void shrink_dcache_sb(struct super_block *sb) { - long freed; - do { LIST_HEAD(dispose); - freed = list_lru_walk(&sb->s_dentry_lru, + list_lru_walk(&sb->s_dentry_lru, dentry_lru_isolate_shrink, &dispose, 1024); - - this_cpu_sub(nr_dentry_unused, freed); shrink_dentry_list(&dispose); } while (list_lru_count(&sb->s_dentry_lru) > 0); } -- 1.8.3.1

7 years

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[PATCH] selftests: Fix test errors related to lib.mk khdr target

by shuah＠kernel.org

From: Shuah Khan <shuah(a)kernel.org> Commit b2d35fa5fc80 ("selftests: add headers_install to lib.mk") added khdr target to run headers_install target from the main Makefile. The logic uses KSFT_KHDR_INSTALL and top_srcdir as controls to initialize variables and include files to run headers_install from the top level Makefile. There are a few problems with this logic. 1. Exposes top_srcdir to all tests 2. Common logic impacts all tests 3. Uses KSFT_KHDR_INSTALL, top_srcdir, and khdr in an adhoc way. Tests add "khdr" dependency in their Makefiles to TEST_PROGS_EXTENDED in some cases, and STATIC_LIBS in other cases. This makes this framework confusing to use. The common logic that runs for all tests even when KSFT_KHDR_INSTALL isn't defined by the test. top_srcdir is initialized to a default value when test doesn't initialize it. It works for all tests without a sub-dir structure and tests with sub-dir structure fail to build. e.g: make -C sparc64/drivers/ or make -C drivers/dma-buf ../../lib.mk:20: ../../../../scripts/subarch.include: No such file or directory make: *** No rule to make target '../../../../scripts/subarch.include'. Stop. There is no reason to require all tests to define top_srcdir and there is no need to require tests to add khdr dependency using adhoc changes to TEST_* and other variables. Fix it with a consistent use of KSFT_KHDR_INSTALL and top_srcdir from tests that have the dependency on headers_install. Change common logic to include khdr target define and "all" target with dependency on khdr when KSFT_KHDR_INSTALL is defined. Only tests that have dependency on headers_install have to define just the KSFT_KHDR_INSTALL, and top_srcdir variables and there is no need to specify khdr dependency in the test Makefiles. Fixes: b2d35fa5fc80 ("selftests: add headers_install to lib.mk") Cc: stable(a)vger.kernel.org Signed-off-by: Shuah Khan <shuah(a)kernel.org> --- tools/testing/selftests/android/Makefile | 2 +- tools/testing/selftests/futex/functional/Makefile | 1 + tools/testing/selftests/gpio/Makefile | 6 +++--- tools/testing/selftests/kvm/Makefile | 2 +- tools/testing/selftests/lib.mk | 8 ++++---- tools/testing/selftests/networking/timestamping/Makefile | 1 + tools/testing/selftests/tc-testing/bpf/Makefile | 1 + tools/testing/selftests/vm/Makefile | 1 + 8 files changed, 13 insertions(+), 9 deletions(-) diff --git a/tools/testing/selftests/android/Makefile b/tools/testing/selftests/android/Makefile index d9a725478375..72c25a3cb658 100644 --- a/tools/testing/selftests/android/Makefile +++ b/tools/testing/selftests/android/Makefile @@ -6,7 +6,7 @@ TEST_PROGS := run.sh include ../lib.mk -all: khdr +all: @for DIR in $(SUBDIRS); do \ BUILD_TARGET=$(OUTPUT)/$$DIR; \ mkdir $$BUILD_TARGET -p; \ diff --git a/tools/testing/selftests/futex/functional/Makefile b/tools/testing/selftests/futex/functional/Makefile index ad1eeb14fda7..30996306cabc 100644 --- a/tools/testing/selftests/futex/functional/Makefile +++ b/tools/testing/selftests/futex/functional/Makefile @@ -19,6 +19,7 @@ TEST_GEN_FILES := \ TEST_PROGS := run.sh top_srcdir = ../../../../.. +KSFT_KHDR_INSTALL := 1 include ../../lib.mk $(TEST_GEN_FILES): $(HEADERS) diff --git a/tools/testing/selftests/gpio/Makefile b/tools/testing/selftests/gpio/Makefile index 46648427d537..07f572a1bd3f 100644 --- a/tools/testing/selftests/gpio/Makefile +++ b/tools/testing/selftests/gpio/Makefile @@ -10,8 +10,6 @@ TEST_PROGS_EXTENDED := gpio-mockup-chardev GPIODIR := $(realpath ../../../gpio) GPIOOBJ := gpio-utils.o -include ../lib.mk - all: $(TEST_PROGS_EXTENDED) override define CLEAN @@ -19,7 +17,9 @@ override define CLEAN $(MAKE) -C $(GPIODIR) OUTPUT=$(GPIODIR)/ clean endef -$(TEST_PROGS_EXTENDED):| khdr +KSFT_KHDR_INSTALL := 1 +include ../lib.mk + $(TEST_PROGS_EXTENDED): $(GPIODIR)/$(GPIOOBJ) $(GPIODIR)/$(GPIOOBJ): diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile index 01a219229238..52bfe5e76907 100644 --- a/tools/testing/selftests/kvm/Makefile +++ b/tools/testing/selftests/kvm/Makefile @@ -1,6 +1,7 @@ all: top_srcdir = ../../../.. +KSFT_KHDR_INSTALL := 1 UNAME_M := $(shell uname -m) LIBKVM = lib/assert.c lib/elf.c lib/io.c lib/kvm_util.c lib/ucall.c lib/sparsebit.c @@ -44,7 +45,6 @@ $(OUTPUT)/libkvm.a: $(LIBKVM_OBJ) all: $(STATIC_LIBS) $(TEST_GEN_PROGS): $(STATIC_LIBS) -$(STATIC_LIBS):| khdr cscope: include_paths = $(LINUX_TOOL_INCLUDE) $(LINUX_HDR_PATH) include lib .. cscope: diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index 0a8e75886224..8b0f16409ed7 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -16,18 +16,18 @@ TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS)) TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED)) TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES)) +ifdef KSFT_KHDR_INSTALL top_srcdir ?= ../../../.. include $(top_srcdir)/scripts/subarch.include ARCH ?= $(SUBARCH) -all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) - .PHONY: khdr khdr: make ARCH=$(ARCH) -C $(top_srcdir) headers_install -ifdef KSFT_KHDR_INSTALL -$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES):| khdr +all: khdr $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) +else +all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) endif .ONESHELL: diff --git a/tools/testing/selftests/networking/timestamping/Makefile b/tools/testing/selftests/networking/timestamping/Makefile index 14cfcf006936..c46c0eefab9e 100644 --- a/tools/testing/selftests/networking/timestamping/Makefile +++ b/tools/testing/selftests/networking/timestamping/Makefile @@ -6,6 +6,7 @@ TEST_PROGS := hwtstamp_config rxtimestamp timestamping txtimestamp all: $(TEST_PROGS) top_srcdir = ../../../../.. +KSFT_KHDR_INSTALL := 1 include ../../lib.mk clean: diff --git a/tools/testing/selftests/tc-testing/bpf/Makefile b/tools/testing/selftests/tc-testing/bpf/Makefile index dc92eb271d9a..be5a5e542804 100644 --- a/tools/testing/selftests/tc-testing/bpf/Makefile +++ b/tools/testing/selftests/tc-testing/bpf/Makefile @@ -4,6 +4,7 @@ APIDIR := ../../../../include/uapi TEST_GEN_FILES = action.o top_srcdir = ../../../../.. +KSFT_KHDR_INSTALL := 1 include ../../lib.mk CLANG ?= clang diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile index 6e67e726e5a5..e13eb6cc8901 100644 --- a/tools/testing/selftests/vm/Makefile +++ b/tools/testing/selftests/vm/Makefile @@ -25,6 +25,7 @@ TEST_GEN_FILES += virtual_address_range TEST_PROGS := run_vmtests +KSFT_KHDR_INSTALL := 1 include ../lib.mk $(OUTPUT)/userfaultfd: LDLIBS += -lpthread -- 2.17.1

7 years

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Re: [PATCH 4.14 12/89] tcp: Do not underestimate rwnd_limited

by Greg Kroah-Hartman

On Fri, Dec 14, 2018 at 06:29:54AM -0800, Eric Dumazet wrote: > On Fri, Dec 14, 2018 at 6:26 AM Greg Kroah-Hartman < > gregkh(a)linuxfoundation.org> wrote: > > > On Fri, Dec 14, 2018 at 02:03:55PM +0000, Sudip Mukherjee wrote: > > > Hi Greg, > > > > > > On Fri, Dec 14, 2018 at 12:08 PM Greg Kroah-Hartman > > > <gregkh(a)linuxfoundation.org> wrote: > > > > > > > > 4.14-stable review patch. If anyone has any objections, please let me > > know. > > > > > > > > ------------------ > > > > > > > > From: Eric Dumazet <edumazet(a)google.com> > > > > > > > > [ Upstream commit 41727549de3e7281feb174d568c6e46823db8684 ] > > > > > > There is one upstream commit which fixes this one. > > > f9bfe4e6a9d0 ("tcp: lack of available data can also cause TSO defer") > > > > I can take this if Eric and/or David ack it :) > > > > > I ack it, I guess David had this queued already. > > No big deal, that is only for tcp_info instrumentation accuracy. If this is already queued for the next round of stable patches, and it's not a major issue, I'll just wait and take it when it shows up in a week or so. thanks, greg k-h

7 years

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[PATCH] MIPS: Expand MIPS32 ASIDs to 64 bits

by Paul Burton

ASIDs have always been stored as unsigned longs, ie. 32 bits on MIPS32 kernels. This is problematic because it is feasible for the ASID version to overflow & wrap around to zero. We currently attempt to handle this overflow by simply setting the ASID version to 1, using asid_first_version(), but we make no attempt to account for the fact that there may be mm_structs with stale ASIDs that have versions which we now reuse due to the overflow & wrap around. Encountering this requires that: 1) A struct mm_struct X is active on CPU A using ASID (V,n). 2) That mm is not used on CPU A for the length of time that it takes for CPU A's asid_cache to overflow & wrap around to the same version V that the mm had in step 1. During this time tasks using the mm could either be sleeping or only scheduled on other CPUs. 3) Some other mm Y becomes active on CPU A and is allocated the same ASID (V,n). 4) mm X now becomes active on CPU A again, and now incorrectly has the same ASID as mm Y. Where struct mm_struct ASIDs are represented above in the format (version, EntryHi.ASID), and on a typical MIPS32 system version will be 24 bits wide & EntryHi.ASID will be 8 bits wide. The length of time required in step 2 is highly dependent upon the CPU & workload, but for a hypothetical 2GHz CPU running a workload which generates a new ASID every 10000 cycles this period is around 248 days. Due to this long period of time & the fact that tasks need to be scheduled in just the right (or wrong, depending upon your inclination) way, this is obviously a difficult bug to encounter but it's entirely possible as evidenced by reports. In order to fix this, simply extend ASIDs to 64 bits even on MIPS32 builds. This will extend the period of time required for the hypothetical system above to encounter the problem from 28 days to around 3 trillion years, which feels safely outside of the realms of possibility. The cost of this is slightly more generated code in some commonly executed paths, but this is pretty minimal: | Code Size Gain | Percentage -----------------------|----------------|------------- decstation_defconfig | +270 | +0.00% 32r2el_defconfig | +652 | +0.01% 32r6el_defconfig | +1000 | +0.01% I have been unable to measure any change in performance of the LMbench lat_ctx or lat_proc tests resulting from the 64b ASIDs on either 32r2el_defconfig+interAptiv or 32r6el_defconfig+I6500 systems. Signed-off-by: Paul Burton <paul.burton(a)mips.com> Suggested-by: James Hogan <jhogan(a)kernel.org> References: https://lore.kernel.org/linux-mips/80B78A8B8FEE6145A87579E8435D78C30205D5F3… References: https://lore.kernel.org/linux-mips/1488684260-18867-1-git-send-email-jiwei.… Cc: Jiwei Sun <jiwei.sun(a)windriver.com> Cc: Yu Huabing <yhb(a)ruijie.com.cn> Cc: stable(a)vger.kernel.org # 2.6.12+ --- arch/mips/include/asm/cpu-info.h | 2 +- arch/mips/include/asm/mmu.h | 2 +- arch/mips/include/asm/mmu_context.h | 8 ++++---- arch/mips/mm/c-r3k.c | 2 +- 4 files changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h index a41059d47d31..ed7ffe4e63a3 100644 --- a/arch/mips/include/asm/cpu-info.h +++ b/arch/mips/include/asm/cpu-info.h @@ -50,7 +50,7 @@ struct guest_info { #define MIPS_CACHE_PINDEX 0x00000020 /* Physically indexed cache */ struct cpuinfo_mips { - unsigned long asid_cache; + u64 asid_cache; #ifdef CONFIG_MIPS_ASID_BITS_VARIABLE unsigned long asid_mask; #endif diff --git a/arch/mips/include/asm/mmu.h b/arch/mips/include/asm/mmu.h index 0740be7d5d4a..24d6b42345fb 100644 --- a/arch/mips/include/asm/mmu.h +++ b/arch/mips/include/asm/mmu.h @@ -7,7 +7,7 @@ #include <linux/wait.h> typedef struct { - unsigned long asid[NR_CPUS]; + u64 asid[NR_CPUS]; void *vdso; atomic_t fp_mode_switching; diff --git a/arch/mips/include/asm/mmu_context.h b/arch/mips/include/asm/mmu_context.h index 94414561de0e..fd869d538a3c 100644 --- a/arch/mips/include/asm/mmu_context.h +++ b/arch/mips/include/asm/mmu_context.h @@ -76,14 +76,14 @@ extern unsigned long pgd_current[]; * All unused by hardware upper bits will be considered * as a software asid extension. */ -static unsigned long asid_version_mask(unsigned int cpu) +static u64 asid_version_mask(unsigned int cpu) { unsigned long asid_mask = cpu_asid_mask(&cpu_data[cpu]); - return ~(asid_mask | (asid_mask - 1)); + return ~(u64)(asid_mask | (asid_mask - 1)); } -static unsigned long asid_first_version(unsigned int cpu) +static u64 asid_first_version(unsigned int cpu) { return ~asid_version_mask(cpu) + 1; } @@ -102,7 +102,7 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) static inline void get_new_mmu_context(struct mm_struct *mm, unsigned long cpu) { - unsigned long asid = asid_cache(cpu); + u64 asid = asid_cache(cpu); if (!((asid += cpu_asid_inc()) & cpu_asid_mask(&cpu_data[cpu]))) { if (cpu_has_vtag_icache) diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c index 3466fcdae0ca..01848cdf2074 100644 --- a/arch/mips/mm/c-r3k.c +++ b/arch/mips/mm/c-r3k.c @@ -245,7 +245,7 @@ static void r3k_flush_cache_page(struct vm_area_struct *vma, pmd_t *pmdp; pte_t *ptep; - pr_debug("cpage[%08lx,%08lx]\n", + pr_debug("cpage[%08llx,%08lx]\n", cpu_context(smp_processor_id(), mm), addr); /* No ASID => no such page in the cache. */ -- 2.19.1

7 years

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stable-rc/linux-4.19.y boot: 117 boots: 0 failed, 116 passed with 1 offline (v4.19.9-143-g4875bf1f86d7)

by kernelci.org bot

stable-rc/linux-4.19.y boot: 117 boots: 0 failed, 116 passed with 1 offline (v4.19.9-143-g4875bf1f86d7) Full Boot Summary: https://kernelci.org/boot/all/job/stable-rc/branch/linux-4.19.y/kernel/v4.1… Full Build Summary: https://kernelci.org/build/stable-rc/branch/linux-4.19.y/kernel/v4.19.9-143… Tree: stable-rc Branch: linux-4.19.y Git Describe: v4.19.9-143-g4875bf1f86d7 Git Commit: 4875bf1f86d7bdc8dbf3222ab4028239446fab3f Git URL: http://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git Tested: 62 unique boards, 23 SoC families, 12 builds out of 202 Offline Platforms: arm: multi_v7_defconfig: stih410-b2120: 1 offline lab --- For more info write to <info(a)kernelci.org>

7 years

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[PATCH 4.19 000/110] 4.19.6-stable review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 4.19.6 release. There are 110 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Sat Dec 1 13:58:54 UTC 2018. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.6-rc1… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 4.19.6-rc1 Hugues Fruchet <hugues.fruchet(a)st.com> media: ov5640: fix auto controls values when switching to manual mode Hugues Fruchet <hugues.fruchet(a)st.com> media: ov5640: fix wrong binning value in exposure calculation Hugues Fruchet <hugues.fruchet(a)st.com> media: ov5640: fix auto gain & exposure when changing mode Hugues Fruchet <hugues.fruchet(a)st.com> media: ov5640: fix exposure regression Jacopo Mondi <jacopo(a)jmondi.org> media: ov5640: Fix timings setup code Jacopo Mondi <jacopo(a)jmondi.org> media: ov5640: Re-work MIPI startup sequence Paul E. McKenney <paulmck(a)linux.vnet.ibm.com> rcu: Make need_resched() respond to urgent RCU-QS needs Andreas Gruenbacher <agruenba(a)redhat.com> gfs2: Fix iomap buffer head reference counting bug Greg Kroah-Hartman <greg(a)kroah.com> tty: wipe buffer if not echoing data Linus Torvalds <torvalds(a)linux-foundation.org> tty: wipe buffer. Sebastien Boisvert <sebhtml(a)videotron.qc.ca> include/linux/pfn_t.h: force '~' to be parsed as an unary operator Matthew Wilcox <willy(a)infradead.org> dax: Avoid losing wakeup in dax_lock_mapping_entry Michal Hocko <mhocko(a)suse.com> mm, page_alloc: check for max order in hot path Yufen Yu <yuyufen(a)huawei.com> tmpfs: make lseek(SEEK_DATA/SEK_HOLE) return ENXIO with a negative offset Michal Hocko <mhocko(a)suse.com> mm, memory_hotplug: check zone_movable in has_unmovable_pages Vitaly Wool <vitalywool(a)gmail.com> z3fold: fix possible reclaim races Ard Biesheuvel <ard.biesheuvel(a)linaro.org> efi/arm: Revert deferred unmap of early memmap mapping Satheesh Rajendran <sathnaga(a)linux.vnet.ibm.com> powerpc/numa: Suppress "VPHN is not supported" messages Trond Myklebust <trond.myklebust(a)hammerspace.com> NFSv4: Fix an Oops during delegation callbacks Prarit Bhargava <prarit(a)redhat.com> kdb: Use strscpy with destination buffer size Philip Yang <Philip.Yang(a)amd.com> drm/amdgpu: fix bug with IH ring setup Olof Johansson <olof(a)lixom.net> RISC-V: Silence some module warnings on 32-bit David Abdurachmanov <david.abdurachmanov(a)gmail.com> riscv: add missing vdso_install target Trond Myklebust <trond.myklebust(a)hammerspace.com> SUNRPC: Fix a bogus get/put in generic_key_to_expire() Hannes Reinecke <hare(a)suse.com> block: copy ioprio in __bio_clone_fast() and bounce Russell King <rmk+kernel(a)armlinux.org.uk> ARM: spectre-v2: per-CPU vtables to work around big.Little systems Russell King <rmk+kernel(a)armlinux.org.uk> ARM: add PROC_VTABLE and PROC_TABLE macros Russell King <rmk+kernel(a)armlinux.org.uk> ARM: clean up per-processor check_bugs method call Russell King <rmk+kernel(a)armlinux.org.uk> ARM: make lookup_processor_type() non-__init Kan Liang <kan.liang(a)linux.intel.com> perf/x86/intel/uncore: Add more IMC PCI IDs for KabyLake and CoffeeLake CPUs Patrick Bellasi <patrick.bellasi(a)arm.com> sched/fair: Fix cpu_util_wake() for 'execl' type workloads Michael Ellerman <mpe(a)ellerman.id.au> powerpc/io: Fix the IO workarounds code to work with Radix Jens Axboe <axboe(a)kernel.dk> floppy: fix race condition in __floppy_read_block_0() Ard Biesheuvel <ard.biesheuvel(a)linaro.org> crypto: simd - correctly take reqsize of wrapped skcipher into account Xulin Sun <xulin.sun(a)windriver.com> rtc: pcf2127: fix a kmemleak caused in pcf2127_i2c_gather_write Hans de Goede <hdegoede(a)redhat.com> rtc: cmos: Do not export alarm rtc_ops when we do not support alarms Anson Huang <anson.huang(a)nxp.com> cpufreq: imx6q: add return value check for voltage scale Scott Wood <oss(a)buserror.net> KVM: PPC: Move and undef TRACE_INCLUDE_PATH/FILE YueHaibing <yuehaibing(a)huawei.com> scsi: hisi_sas: Remove set but not used variable 'dq_list' Arnd Bergmann <arnd(a)arndb.de> scsi: lpfc: fix remoteport access Masayoshi Mizuma <m.mizuma(a)jp.fujitsu.com> tools/testing/nvdimm: Fix the array size for dimm devices. Jerome Brunet <jbrunet(a)baylibre.com> pinctrl: meson: fix meson8b ao pull register bits Jerome Brunet <jbrunet(a)baylibre.com> pinctrl: meson: fix meson8 ao pull register bits Jerome Brunet <jbrunet(a)baylibre.com> pinctrl: meson: fix gxl ao pull register bits Jerome Brunet <jbrunet(a)baylibre.com> pinctrl: meson: fix gxbb ao pull register bits Jerome Brunet <jbrunet(a)baylibre.com> pinctrl: meson: fix pinconf bias disable Amir Goldstein <amir73il(a)gmail.com> fanotify: fix handling of events on child sub-directory Amir Goldstein <amir73il(a)gmail.com> fsnotify: generalize handling of extra event flags Michael J. Ruhl <michael.j.ruhl(a)intel.com> IB/hfi1: Eliminate races in the SDMA send error path Erik Schmauss <erik.schmauss(a)intel.com> ACPICA: AML interpreter: add region addresses in global list during initialization Marc Kleine-Budde <mkl(a)pengutronix.de> can: flexcan: remove not needed struct flexcan_priv::tx_mb and struct flexcan_priv::tx_mb_idx Alexander Stein <alexander.stein(a)systec-electronic.com> can: flexcan: Always use last mailbox for TX Lukas Wunner <lukas(a)wunner.de> can: hi311x: Use level-triggered interrupt Oliver Hartkopp <socketcan(a)hartkopp.net> can: raw: check for CAN FD capable netdev in raw_sendmsg() Oleksij Rempel <o.rempel(a)pengutronix.de> can: flexcan: handle tx-complete CAN frames via rx-offload infrastructure Oleksij Rempel <o.rempel(a)pengutronix.de> can: flexcan: use can_rx_offload_queue_sorted() for flexcan_irq_bus_*() Oleksij Rempel <o.rempel(a)pengutronix.de> can: rx-offload: rename can_rx_offload_irq_queue_err_skb() to can_rx_offload_queue_tail() Oleksij Rempel <o.rempel(a)pengutronix.de> can: rx-offload: introduce can_rx_offload_get_echo_skb() and can_rx_offload_queue_sorted() functions Marc Kleine-Budde <mkl(a)pengutronix.de> can: dev: __can_get_echo_skb(): print error message, if trying to echo non existing skb Marc Kleine-Budde <mkl(a)pengutronix.de> can: dev: __can_get_echo_skb(): Don't crash the kernel if can_priv::echo_skb is accessed out of bounds Marc Kleine-Budde <mkl(a)pengutronix.de> can: dev: __can_get_echo_skb(): replace struct can_frame by canfd_frame to access frame length Marc Kleine-Budde <mkl(a)pengutronix.de> can: dev: can_get_echo_skb(): factor out non sending code to __can_get_echo_skb() Pankaj Bansal <pankaj.bansal(a)nxp.com> can: flexcan: Unlock the MB unconditionally Thomas Zimmermann <tzimmermann(a)suse.de> drm/ast: Remove existing framebuffers before loading driver Y.C. Chen <yc_chen(a)aspeedtech.com> drm/ast: fixed cursor may disappear sometimes Y.C. Chen <yc_chen(a)aspeedtech.com> drm/ast: change resolution may cause screen blurred Ville Syrjälä <ville.syrjala(a)linux.intel.com> drm/i915: Disable LP3 watermarks on all SNB machines Felix Kuehling <Felix.Kuehling(a)amd.com> drm/amdgpu: Fix oops when pp_funcs->switch_power_profile is unset Boris Brezillon <boris.brezillon(a)bootlin.com> drm/vc4: Set ->legacy_cursor_update to false when doing non-async updates Takashi Iwai <tiwai(a)suse.de> drm/amdgpu: Add missing firmware entry for HAINAN Paul Kocialkowski <paul.kocialkowski(a)bootlin.com> drm/fb-helper: Blacklist writeback when adding connectors to fbdev Eric Dumazet <edumazet(a)google.com> tcp: do not release socket ownership in tcp_close() Aneesh Kumar K.V <aneesh.kumar(a)linux.ibm.com> mm/memory.c: recheck page table entry with page table lock held Dmitry Vyukov <dvyukov(a)google.com> mm: don't warn about large allocations for slab Eric Dumazet <edumazet(a)google.com> llc: do not use sk_eat_skb() Andrew Price <anprice(a)redhat.com> gfs2: Don't leave s_fs_info pointing to freed memory in init_sbd Xin Long <lucien.xin(a)gmail.com> sctp: clear the transport of some out_chunk_list chunks in sctp_assoc_rm_peer Tetsuo Handa <penguin-kernel(a)I-love.SAKURA.ne.jp> bfs: add sanity check at bfs_fill_super() Dmitry Torokhov <dmitry.torokhov(a)gmail.com> Input: synaptics - avoid using uninitialized variable when probing Tetsuo Handa <penguin-kernel(a)i-love.sakura.ne.jp> selinux: Add __GFP_NOWARN to allocation at str_read() Dominique Martinet <dominique.martinet(a)cea.fr> v9fs_dir_readdir: fix double-free on p9stat_read error Konstantin Khlebnikov <khlebnikov(a)yandex-team.ru> tools/power/cpupower: fix compilation with STATIC=true Keerthy <j-keerthy(a)ti.com> opp: ti-opp-supply: Correct the supply in _get_optimal_vdd_voltage call Keerthy <j-keerthy(a)ti.com> opp: ti-opp-supply: Dynamically update u_volt_min Rafał Miłecki <rafal(a)milecki.pl> brcmfmac: fix reporting support for 160 MHz channels Luca Coelho <luciano.coelho(a)intel.com> iwlwifi: mvm: don't use SAR Geo if basic SAR is not used Emmanuel Grumbach <emmanuel.grumbach(a)intel.com> iwlwifi: mvm: fix regulatory domain update when the firmware starts Emmanuel Grumbach <emmanuel.grumbach(a)intel.com> iwlwifi: mvm: support sta_statistics() even on older firmware Matt Chen <matt.chen(a)intel.com> iwlwifi: fix wrong WGDS_WIFI_DATA_SIZE Vladimir Zapolskiy <vz(a)mleia.com> gpio: don't free unallocated ida on gpiochip_add_data_with_key() error path Adrian Hunter <adrian.hunter(a)intel.com> mmc: sdhci-pci: Workaround GLK firmware failing to restore the tuning value Rajat Jain <rajatja(a)google.com> mmc: sdhci-pci: Try "cd" for card-detect lookup before using NULL Will Deacon <will.deacon(a)arm.com> Documentation/security-bugs: Postpone fix publication in exceptional cases Will Deacon <will.deacon(a)arm.com> Documentation/security-bugs: Clarify treatment of embargoed information Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> MAINTAINERS: Add Sasha as a stable branch maintainer Takashi Iwai <tiwai(a)suse.de> ALSA: oss: Use kvzalloc() for local buffer allocations Mathias Nyman <mathias.nyman(a)linux.intel.com> usb: xhci: Prevent bus suspend if a port connect change or polling state is detected Cherian, George <George.Cherian(a)cavium.com> xhci: Add quirk to workaround the errata seen on Cavium Thunder-X2 Soc Aaron Ma <aaron.ma(a)canonical.com> usb: xhci: fix timeout for transition from RExit to U0 Aaron Ma <aaron.ma(a)canonical.com> usb: xhci: fix uninitialized completion when USB3 port got wrong status Sandeep Singh <sandeep.singh(a)amd.com> xhci: Add check for invalid byte size error when UAS devices are connected. Mathias Nyman <mathias.nyman(a)linux.intel.com> xhci: handle port status events for removed USB3 hcd Mathias Nyman <mathias.nyman(a)linux.intel.com> xhci: Fix leaking USB3 shared_hcd at xhci removal Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy(a)linux.intel.com> usb: dwc3: Fix NULL pointer exception in dwc3_pci_remove() Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> usb: dwc3: core: Clean up ULPI device Thinh Nguyen <Thinh.Nguyen(a)synopsys.com> usb: dwc3: gadget: Properly check last unaligned/zero chain TRB Felipe Balbi <felipe.balbi(a)linux.intel.com> usb: dwc3: gadget: fix ISOC TRB type on unaligned transfers Dennis Wassenberg <dennis.wassenberg(a)secunet.com> usb: core: Fix hub port connection events lost Alistair Strachan <astrachan(a)google.com> efi/libstub: arm: support building with clang Rodrigo Rivas Costa <rodrigorivascosta(a)gmail.com> HID: steam: remove input device when a hid client is running. ------------- Diffstat: Documentation/admin-guide/security-bugs.rst | 48 ++-- .../devicetree/bindings/net/can/holt_hi311x.txt | 2 +- MAINTAINERS | 1 + Makefile | 4 +- arch/arm/include/asm/proc-fns.h | 61 ++++- arch/arm/kernel/bugs.c | 4 +- arch/arm/kernel/head-common.S | 6 +- arch/arm/kernel/setup.c | 9 +- arch/arm/kernel/smp.c | 31 +++ arch/arm/mm/proc-v7-bugs.c | 17 +- arch/powerpc/include/asm/io.h | 20 +- arch/powerpc/kvm/trace.h | 8 +- arch/powerpc/kvm/trace_booke.h | 9 +- arch/powerpc/kvm/trace_hv.h | 9 +- arch/powerpc/kvm/trace_pr.h | 9 +- arch/powerpc/mm/numa.c | 2 +- arch/riscv/Makefile | 4 + arch/riscv/kernel/module.c | 12 +- arch/x86/events/intel/uncore_snb.c | 115 ++++++++- block/bio.c | 1 + block/bounce.c | 1 + crypto/simd.c | 5 +- drivers/acpi/acpica/dsopcode.c | 4 + drivers/block/floppy.c | 3 +- drivers/cpufreq/imx6q-cpufreq.c | 7 +- drivers/firmware/efi/arm-init.c | 4 + drivers/firmware/efi/arm-runtime.c | 2 +- drivers/firmware/efi/libstub/Makefile | 3 +- drivers/firmware/efi/memmap.c | 3 + drivers/gpio/gpiolib.c | 5 +- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 7 +- drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 1 + drivers/gpu/drm/amd/amdgpu/vega10_ih.c | 2 +- drivers/gpu/drm/ast/ast_drv.c | 21 ++ drivers/gpu/drm/ast/ast_mode.c | 3 +- drivers/gpu/drm/drm_fb_helper.c | 3 + drivers/gpu/drm/i915/intel_pm.c | 41 +++- drivers/gpu/drm/vc4/vc4_kms.c | 6 + drivers/hid/hid-steam.c | 154 +++++++----- drivers/infiniband/hw/hfi1/user_sdma.c | 87 +++---- drivers/infiniband/hw/hfi1/user_sdma.h | 3 - drivers/input/mouse/synaptics.c | 4 +- drivers/media/i2c/ov5640.c | 263 +++++++++++++-------- drivers/mmc/host/sdhci-pci-core.c | 86 ++++++- drivers/net/can/dev.c | 48 +++- drivers/net/can/flexcan.c | 108 +++++---- drivers/net/can/rx-offload.c | 51 +++- drivers/net/can/spi/hi311x.c | 2 +- .../broadcom/brcm80211/brcmfmac/cfg80211.c | 3 +- drivers/net/wireless/intel/iwlwifi/fw/acpi.h | 4 +- drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 38 ++- drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c | 12 +- drivers/net/wireless/intel/iwlwifi/mvm/nvm.c | 5 +- drivers/opp/ti-opp-supply.c | 5 +- drivers/pinctrl/meson/pinctrl-meson-gxbb.c | 2 +- drivers/pinctrl/meson/pinctrl-meson-gxl.c | 2 +- drivers/pinctrl/meson/pinctrl-meson.c | 2 +- drivers/pinctrl/meson/pinctrl-meson8.c | 2 +- drivers/pinctrl/meson/pinctrl-meson8b.c | 2 +- drivers/rtc/rtc-cmos.c | 16 +- drivers/rtc/rtc-pcf2127.c | 3 + drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 2 - drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 2 - drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 2 - drivers/scsi/lpfc/lpfc_debugfs.c | 2 + drivers/tty/n_tty.c | 20 +- drivers/tty/tty_buffer.c | 6 +- drivers/usb/core/hub.c | 4 +- drivers/usb/dwc3/core.c | 1 + drivers/usb/dwc3/dwc3-pci.c | 4 +- drivers/usb/dwc3/gadget.c | 8 +- drivers/usb/host/xhci-histb.c | 6 +- drivers/usb/host/xhci-hub.c | 66 ++++-- drivers/usb/host/xhci-mtk.c | 6 +- drivers/usb/host/xhci-pci.c | 6 + drivers/usb/host/xhci-plat.c | 6 +- drivers/usb/host/xhci-ring.c | 45 +++- drivers/usb/host/xhci-tegra.c | 1 + drivers/usb/host/xhci.c | 2 - drivers/usb/host/xhci.h | 3 +- fs/9p/vfs_dir.c | 11 - fs/bfs/inode.c | 9 +- fs/dax.c | 7 +- fs/gfs2/bmap.c | 40 ++-- fs/gfs2/ops_fstype.c | 2 +- fs/nfs/callback_proc.c | 4 +- fs/nfs/delegation.c | 11 +- fs/notify/fanotify/fanotify.c | 10 +- fs/notify/fsnotify.c | 15 +- include/linux/can/dev.h | 1 + include/linux/can/rx-offload.h | 7 +- include/linux/fsnotify_backend.h | 9 +- include/linux/pfn_t.h | 2 +- include/net/sock.h | 1 + kernel/debug/kdb/kdb_io.c | 15 +- kernel/debug/kdb/kdb_private.h | 2 +- kernel/debug/kdb/kdb_support.c | 10 +- kernel/rcu/tree.c | 9 + kernel/sched/fair.c | 62 +++-- mm/memory.c | 34 ++- mm/page_alloc.c | 28 ++- mm/shmem.c | 4 +- mm/slab.c | 4 + mm/slab_common.c | 12 +- mm/z3fold.c | 101 +++++--- net/can/raw.c | 15 +- net/core/sock.c | 2 +- net/ipv4/tcp.c | 11 +- net/llc/af_llc.c | 11 +- net/sctp/associola.c | 10 +- net/sunrpc/auth_generic.c | 8 +- security/selinux/ss/policydb.c | 2 +- sound/core/oss/pcm_oss.c | 6 +- sound/core/oss/pcm_plugin.c | 6 +- tools/power/cpupower/bench/Makefile | 2 +- tools/power/cpupower/lib/cpufreq.c | 2 +- tools/power/cpupower/lib/cpuidle.c | 2 +- tools/power/cpupower/lib/cpupower.c | 4 +- tools/power/cpupower/lib/cpupower_intern.h | 2 +- tools/testing/nvdimm/test/nfit.c | 8 +- 120 files changed, 1435 insertions(+), 653 deletions(-)

7 years

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stable-rc/linux-4.4.y boot: 93 boots: 1 failed, 91 passed with 1 offline (v4.4.167-89-g9c558d7fe359)

by kernelci.org bot

stable-rc/linux-4.4.y boot: 93 boots: 1 failed, 91 passed with 1 offline (v4.4.167-89-g9c558d7fe359) Full Boot Summary: https://kernelci.org/boot/all/job/stable-rc/branch/linux-4.4.y/kernel/v4.4.… Full Build Summary: https://kernelci.org/build/stable-rc/branch/linux-4.4.y/kernel/v4.4.167-89-… Tree: stable-rc Branch: linux-4.4.y Git Describe: v4.4.167-89-g9c558d7fe359 Git Commit: 9c558d7fe359a962e214e426ffeb338e012bba39 Git URL: http://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git Tested: 42 unique boards, 20 SoC families, 12 builds out of 187 Boot Failure Detected: arm64: defconfig qcom-qdf2400: 1 failed lab Offline Platforms: arm: multi_v7_defconfig: stih410-b2120: 1 offline lab --- For more info write to <info(a)kernelci.org>

7 years

1
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Re: [PATCH v2] crypto: talitos - fix ablkcipher for CONFIG_VMAP_STACK

by Christophe Leroy

Le 14/12/2018 à 02:39, Sasha Levin a écrit : > Hi, > > [This is an automated email] > > This commit has been processed because it contains a "Fixes:" tag, > fixing commit: 4de9d0b547b9 crypto: talitos - Add ablkcipher algorithms. > > The bot has tested the following trees: v4.19.9, v4.14.88, v4.9.145, v4.4.167, v3.18.129, > > v4.19.9: Build OK! > v4.14.88: Failed to apply! Possible dependencies: > 2e13ce0812c6 ("crypto: talitos - DMA map key in setkey()") > 9a655608a468 ("crypto: talitos - simplify tests in ipsec_esp()") > da9de146ebd9 ("crypto: talitos - remove to_talitos_ptr_len()") > > v4.9.145: Failed to apply! Possible dependencies: > 2e13ce0812c6 ("crypto: talitos - DMA map key in setkey()") > 9a655608a468 ("crypto: talitos - simplify tests in ipsec_esp()") > da9de146ebd9 ("crypto: talitos - remove to_talitos_ptr_len()") > > v4.4.167: Failed to apply! Possible dependencies: > 246a87cda070 ("crypto: talitos - move mapping helpers before IPSEC functions") > 2e13ce0812c6 ("crypto: talitos - DMA map key in setkey()") > 549bd8bc5987 ("crypto: talitos - Implement AEAD for SEC1 using HMAC_SNOOP_NO_AFEU") > 6a1e8d14156d ("crypto: talitos - making mapping helpers more generic") > 8e409fe10695 ("crypto: talitos - check return value of sg_nents_for_len") > 9a655608a468 ("crypto: talitos - simplify tests in ipsec_esp()") > b096b544d6c3 ("crypto: talitos - using helpers for all talitos_ptr operations") > da9de146ebd9 ("crypto: talitos - remove to_talitos_ptr_len()") > e04a61bebc5d ("crypto: talitos - fix memory corruption on SEC2") > > v3.18.129: Failed to apply! Possible dependencies: > 032d197eaaea ("crypto: talitos - Refactor the sg in/out chain allocation") > 185eb79f6a65 ("crypto: talitos - Add a helper function to clear j_extent field") > 20ec9d814e68 ("crypto: sahara - fix spinlock initialization") > 538caf83374c ("crypto: talitos - helper function for ptr len") > 5a2bb93f5992 ("crypto: sahara - add support for SHA1/256") > 5be4d4c94b1f ("crypto: replace scatterwalk_sg_next with sg_next") > 922f9dc8d366 ("crypto: talitos - fill in talitos descriptor iaw SEC1 or SEC2+") > a2b35aa86eea ("crypto: talitos - remove param 'extent' in map_single_talitos_ptr()") > a861afbc931b ("crypto: ablkcipher - fixed style errors in ablkcipher.c") > aeb4c132f33d ("crypto: talitos - Convert to new AEAD interface") > bde9079f3cd5 ("crypto: talitos - avoid out of bound scatterlist iterator") > c0c3c89ae347 ("crypto: sahara - replace tasklets with kthread") > edc6bd698a4d ("crypto: talitos - talitos_ptr renamed ptr for more lisibility") > f129430dd87d ("crypto: nx - Fixing the limit number of bytes to be processed") > > > How should we proceed with this patch? I'll backport it once it is in linux tree. Christophe > > -- > Thanks, > Sasha >

7 years

1
0
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stable-rc/linux-4.14.y boot: 116 boots: 1 failed, 111 passed with 2 offline, 2 untried/unknown (v4.14.88-90-g159976987c2f)

by kernelci.org bot

stable-rc/linux-4.14.y boot: 116 boots: 1 failed, 111 passed with 2 offline, 2 untried/unknown (v4.14.88-90-g159976987c2f) Full Boot Summary: https://kernelci.org/boot/all/job/stable-rc/branch/linux-4.14.y/kernel/v4.1… Full Build Summary: https://kernelci.org/build/stable-rc/branch/linux-4.14.y/kernel/v4.14.88-90… Tree: stable-rc Branch: linux-4.14.y Git Describe: v4.14.88-90-g159976987c2f Git Commit: 159976987c2f89308c6293a31e8fa9543549b94b Git URL: http://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git Tested: 60 unique boards, 23 SoC families, 12 builds out of 197 Boot Regressions Detected: arm64: defconfig: rk3399-firefly: lab-baylibre-seattle: failing since 5 days (last pass: v4.14.86-56-g555f40d53cca - first fail: v4.14.87) Boot Failure Detected: arm64: defconfig rk3399-firefly: 1 failed lab Offline Platforms: arm: multi_v7_defconfig: stih410-b2120: 1 offline lab arm64: defconfig: sun50i-a64-pine64-plus: 1 offline lab --- For more info write to <info(a)kernelci.org>

7 years

1
0
0 0

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