October 2018 - Linux-stable-mirror

[patch 09/14] proc: restrict kernel stack dumps to root

by akpm＠linux-foundation.org

From: Jann Horn <jannh(a)google.com> Subject: proc: restrict kernel stack dumps to root Currently, you can use /proc/self/task/*/stack to cause a stack walk on a task you control while it is running on another CPU. That means that the stack can change under the stack walker. The stack walker does have guards against going completely off the rails and into random kernel memory, but it can interpret random data from your kernel stack as instruction pointers and stack pointers. This can cause exposure of kernel stack contents to userspace. Restrict the ability to inspect kernel stacks of arbitrary tasks to root in order to prevent a local attacker from exploiting racy stack unwinding to leak kernel task stack contents. See the added comment for a longer rationale. There don't seem to be any users of this userspace API that can't gracefully bail out if reading from the file fails. Therefore, I believe that this change is unlikely to break things. In the case that this patch does end up needing a revert, the next-best solution might be to fake a single-entry stack based on wchan. Link: http://lkml.kernel.org/r/20180927153316.200286-1-jannh@google.com Fixes: 2ec220e27f50 ("proc: add /proc/*/stack") Signed-off-by: Jann Horn <jannh(a)google.com> Acked-by: Kees Cook <keescook(a)chromium.org> Cc: Alexey Dobriyan <adobriyan(a)gmail.com> Cc: Ken Chen <kenchen(a)google.com> Cc: Will Deacon <will.deacon(a)arm.com> Cc: Laura Abbott <labbott(a)redhat.com> Cc: Andy Lutomirski <luto(a)amacapital.net> Cc: Catalin Marinas <catalin.marinas(a)arm.com> Cc: Josh Poimboeuf <jpoimboe(a)redhat.com> Cc: Thomas Gleixner <tglx(a)linutronix.de> Cc: Ingo Molnar <mingo(a)redhat.com> Cc: "H . Peter Anvin" <hpa(a)zytor.com> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- fs/proc/base.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) --- a/fs/proc/base.c~proc-restrict-kernel-stack-dumps-to-root +++ a/fs/proc/base.c @@ -407,6 +407,20 @@ static int proc_pid_stack(struct seq_fil unsigned long *entries; int err; + /* + * The ability to racily run the kernel stack unwinder on a running task + * and then observe the unwinder output is scary; while it is useful for + * debugging kernel issues, it can also allow an attacker to leak kernel + * stack contents. + * Doing this in a manner that is at least safe from races would require + * some work to ensure that the remote task can not be scheduled; and + * even then, this would still expose the unwinder as local attack + * surface. + * Therefore, this interface is restricted to root. + */ + if (!file_ns_capable(m->file, &init_user_ns, CAP_SYS_ADMIN)) + return -EACCES; + entries = kmalloc_array(MAX_STACK_TRACE_DEPTH, sizeof(*entries), GFP_KERNEL); if (!entries) _

6 years, 2 months

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[patch 04/14] mm, thp: fix mlocking THP page with migration enabled

by akpm＠linux-foundation.org

From: "Kirill A. Shutemov" <kirill.shutemov(a)linux.intel.com> Subject: mm, thp: fix mlocking THP page with migration enabled A transparent huge page is represented by a single entry on an LRU list. Therefore, we can only make unevictable an entire compound page, not individual subpages. If a user tries to mlock() part of a huge page, we want the rest of the page to be reclaimable. We handle this by keeping PTE-mapped huge pages on normal LRU lists: the PMD on border of VM_LOCKED VMA will be split into PTE table. Introduction of THP migration breaks[1] the rules around mlocking THP pages. If we had a single PMD mapping of the page in mlocked VMA, the page will get mlocked, regardless of PTE mappings of the page. For tmpfs/shmem it's easy to fix by checking PageDoubleMap() in remove_migration_pmd(). Anon THP pages can only be shared between processes via fork(). Mlocked page can only be shared if parent mlocked it before forking, otherwise CoW will be triggered on mlock(). For Anon-THP, we can fix the issue by munlocking the page on removing PTE migration entry for the page. PTEs for the page will always come after mlocked PMD: rmap walks VMAs from oldest to newest. Test-case: #include <unistd.h> #include <sys/mman.h> #include <sys/wait.h> #include <linux/mempolicy.h> #include <numaif.h> int main(void) { unsigned long nodemask = 4; void *addr; addr = mmap((void *)0x20000000UL, 2UL << 20, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_LOCKED, -1, 0); if (fork()) { wait(NULL); return 0; } mlock(addr, 4UL << 10); mbind(addr, 2UL << 20, MPOL_PREFERRED | MPOL_F_RELATIVE_NODES, &nodemask, 4, MPOL_MF_MOVE); return 0; } [1] https://lkml.kernel.org/r/CAOMGZ=G52R-30rZvhGxEbkTw7rLLwBGadVYeo--iizcD3upL… Link: http://lkml.kernel.org/r/20180917133816.43995-1-kirill.shutemov@linux.intel… Fixes: 616b8371539a ("mm: thp: enable thp migration in generic path") Signed-off-by: Kirill A. Shutemov <kirill.shutemov(a)linux.intel.com> Reported-by: Vegard Nossum <vegard.nossum(a)oracle.com> Reviewed-by: Zi Yan <zi.yan(a)cs.rutgers.edu> Cc: Naoya Horiguchi <n-horiguchi(a)ah.jp.nec.com> Cc: Vlastimil Babka <vbabka(a)suse.cz> Cc: Andrea Arcangeli <aarcange(a)redhat.com> Cc: <stable(a)vger.kernel.org> [4.14+] Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- mm/huge_memory.c | 2 +- mm/migrate.c | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) --- a/mm/huge_memory.c~mm-thp-fix-mlocking-thp-page-with-migration-enabled +++ a/mm/huge_memory.c @@ -2931,7 +2931,7 @@ void remove_migration_pmd(struct page_vm else page_add_file_rmap(new, true); set_pmd_at(mm, mmun_start, pvmw->pmd, pmde); - if (vma->vm_flags & VM_LOCKED) + if ((vma->vm_flags & VM_LOCKED) && !PageDoubleMap(new)) mlock_vma_page(new); update_mmu_cache_pmd(vma, address, pvmw->pmd); } --- a/mm/migrate.c~mm-thp-fix-mlocking-thp-page-with-migration-enabled +++ a/mm/migrate.c @@ -275,6 +275,9 @@ static bool remove_migration_pte(struct if (vma->vm_flags & VM_LOCKED && !PageTransCompound(new)) mlock_vma_page(new); + if (PageTransHuge(page) && PageMlocked(page)) + clear_page_mlock(page); + /* No need to invalidate - it was non-present before */ update_mmu_cache(vma, pvmw.address, pvmw.pte); } _

6 years, 2 months

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[patch 01/14] mm: migration: fix migration of huge PMD shared pages

by akpm＠linux-foundation.org

From: Mike Kravetz <mike.kravetz(a)oracle.com> Subject: mm: migration: fix migration of huge PMD shared pages The page migration code employs try_to_unmap() to try and unmap the source page. This is accomplished by using rmap_walk to find all vmas where the page is mapped. This search stops when page mapcount is zero. For shared PMD huge pages, the page map count is always 1 no matter the number of mappings. Shared mappings are tracked via the reference count of the PMD page. Therefore, try_to_unmap stops prematurely and does not completely unmap all mappings of the source page. This problem can result is data corruption as writes to the original source page can happen after contents of the page are copied to the target page. Hence, data is lost. This problem was originally seen as DB corruption of shared global areas after a huge page was soft offlined due to ECC memory errors. DB developers noticed they could reproduce the issue by (hotplug) offlining memory used to back huge pages. A simple testcase can reproduce the problem by creating a shared PMD mapping (note that this must be at least PUD_SIZE in size and PUD_SIZE aligned (1GB on x86)), and using migrate_pages() to migrate process pages between nodes while continually writing to the huge pages being migrated. To fix, have the try_to_unmap_one routine check for huge PMD sharing by calling huge_pmd_unshare for hugetlbfs huge pages. If it is a shared mapping it will be 'unshared' which removes the page table entry and drops the reference on the PMD page. After this, flush caches and TLB. mmu notifiers are called before locking page tables, but we can not be sure of PMD sharing until page tables are locked. Therefore, check for the possibility of PMD sharing before locking so that notifiers can prepare for the worst possible case. Link: http://lkml.kernel.org/r/20180823205917.16297-2-mike.kravetz@oracle.com [mike.kravetz(a)oracle.com: make _range_in_vma() a static inline] Link: http://lkml.kernel.org/r/6063f215-a5c8-2f0c-465a-2c515ddc952d@oracle.com Fixes: 39dde65c9940 ("shared page table for hugetlb page") Signed-off-by: Mike Kravetz <mike.kravetz(a)oracle.com> Acked-by: Kirill A. Shutemov <kirill.shutemov(a)linux.intel.com> Reviewed-by: Naoya Horiguchi <n-horiguchi(a)ah.jp.nec.com> Acked-by: Michal Hocko <mhocko(a)suse.com> Cc: Vlastimil Babka <vbabka(a)suse.cz> Cc: Davidlohr Bueso <dave(a)stgolabs.net> Cc: Jerome Glisse <jglisse(a)redhat.com> Cc: Mike Kravetz <mike.kravetz(a)oracle.com> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- include/linux/hugetlb.h | 14 ++++++++++++ include/linux/mm.h | 6 +++++ mm/hugetlb.c | 37 +++++++++++++++++++++++++++++++-- mm/rmap.c | 42 +++++++++++++++++++++++++++++++++++--- 4 files changed, 94 insertions(+), 5 deletions(-) --- a/include/linux/hugetlb.h~mm-migration-fix-migration-of-huge-pmd-shared-pages +++ a/include/linux/hugetlb.h @@ -140,6 +140,8 @@ pte_t *huge_pte_alloc(struct mm_struct * pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr, unsigned long sz); int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep); +void adjust_range_if_pmd_sharing_possible(struct vm_area_struct *vma, + unsigned long *start, unsigned long *end); struct page *follow_huge_addr(struct mm_struct *mm, unsigned long address, int write); struct page *follow_huge_pd(struct vm_area_struct *vma, @@ -170,6 +172,18 @@ static inline unsigned long hugetlb_tota return 0; } +static inline int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, + pte_t *ptep) +{ + return 0; +} + +static inline void adjust_range_if_pmd_sharing_possible( + struct vm_area_struct *vma, + unsigned long *start, unsigned long *end) +{ +} + #define follow_hugetlb_page(m,v,p,vs,a,b,i,w,n) ({ BUG(); 0; }) #define follow_huge_addr(mm, addr, write) ERR_PTR(-EINVAL) #define copy_hugetlb_page_range(src, dst, vma) ({ BUG(); 0; }) --- a/include/linux/mm.h~mm-migration-fix-migration-of-huge-pmd-shared-pages +++ a/include/linux/mm.h @@ -2455,6 +2455,12 @@ static inline struct vm_area_struct *fin return vma; } +static inline bool range_in_vma(struct vm_area_struct *vma, + unsigned long start, unsigned long end) +{ + return (vma && vma->vm_start <= start && end <= vma->vm_end); +} + #ifdef CONFIG_MMU pgprot_t vm_get_page_prot(unsigned long vm_flags); void vma_set_page_prot(struct vm_area_struct *vma); --- a/mm/hugetlb.c~mm-migration-fix-migration-of-huge-pmd-shared-pages +++ a/mm/hugetlb.c @@ -4545,13 +4545,41 @@ static bool vma_shareable(struct vm_area /* * check on proper vm_flags and page table alignment */ - if (vma->vm_flags & VM_MAYSHARE && - vma->vm_start <= base && end <= vma->vm_end) + if (vma->vm_flags & VM_MAYSHARE && range_in_vma(vma, base, end)) return true; return false; } /* + * Determine if start,end range within vma could be mapped by shared pmd. + * If yes, adjust start and end to cover range associated with possible + * shared pmd mappings. + */ +void adjust_range_if_pmd_sharing_possible(struct vm_area_struct *vma, + unsigned long *start, unsigned long *end) +{ + unsigned long check_addr = *start; + + if (!(vma->vm_flags & VM_MAYSHARE)) + return; + + for (check_addr = *start; check_addr < *end; check_addr += PUD_SIZE) { + unsigned long a_start = check_addr & PUD_MASK; + unsigned long a_end = a_start + PUD_SIZE; + + /* + * If sharing is possible, adjust start/end if necessary. + */ + if (range_in_vma(vma, a_start, a_end)) { + if (a_start < *start) + *start = a_start; + if (a_end > *end) + *end = a_end; + } + } +} + +/* * Search for a shareable pmd page for hugetlb. In any case calls pmd_alloc() * and returns the corresponding pte. While this is not necessary for the * !shared pmd case because we can allocate the pmd later as well, it makes the @@ -4648,6 +4676,11 @@ int huge_pmd_unshare(struct mm_struct *m { return 0; } + +void adjust_range_if_pmd_sharing_possible(struct vm_area_struct *vma, + unsigned long *start, unsigned long *end) +{ +} #define want_pmd_share() (0) #endif /* CONFIG_ARCH_WANT_HUGE_PMD_SHARE */ --- a/mm/rmap.c~mm-migration-fix-migration-of-huge-pmd-shared-pages +++ a/mm/rmap.c @@ -1362,11 +1362,21 @@ static bool try_to_unmap_one(struct page } /* - * We have to assume the worse case ie pmd for invalidation. Note that - * the page can not be free in this function as call of try_to_unmap() - * must hold a reference on the page. + * For THP, we have to assume the worse case ie pmd for invalidation. + * For hugetlb, it could be much worse if we need to do pud + * invalidation in the case of pmd sharing. + * + * Note that the page can not be free in this function as call of + * try_to_unmap() must hold a reference on the page. */ end = min(vma->vm_end, start + (PAGE_SIZE << compound_order(page))); + if (PageHuge(page)) { + /* + * If sharing is possible, start and end will be adjusted + * accordingly. + */ + adjust_range_if_pmd_sharing_possible(vma, &start, &end); + } mmu_notifier_invalidate_range_start(vma->vm_mm, start, end); while (page_vma_mapped_walk(&pvmw)) { @@ -1409,6 +1419,32 @@ static bool try_to_unmap_one(struct page subpage = page - page_to_pfn(page) + pte_pfn(*pvmw.pte); address = pvmw.address; + if (PageHuge(page)) { + if (huge_pmd_unshare(mm, &address, pvmw.pte)) { + /* + * huge_pmd_unshare unmapped an entire PMD + * page. There is no way of knowing exactly + * which PMDs may be cached for this mm, so + * we must flush them all. start/end were + * already adjusted above to cover this range. + */ + flush_cache_range(vma, start, end); + flush_tlb_range(vma, start, end); + mmu_notifier_invalidate_range(mm, start, end); + + /* + * The ref count of the PMD page was dropped + * which is part of the way map counting + * is done for shared PMDs. Return 'true' + * here. When there is no other sharing, + * huge_pmd_unshare returns false and we will + * unmap the actual page and drop map count + * to zero. + */ + page_vma_mapped_walk_done(&pvmw); + break; + } + } if (IS_ENABLED(CONFIG_MIGRATION) && (flags & TTU_MIGRATION) && _

6 years, 2 months

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[PATCH] ARC: clone syscall to setp r25 as thread pointer

by Vineet Gupta

Per ARC TLS ABI, r25 is designated TP (thread pointer register). However so far kernel didn't do any special treatment, like setting up usermode r25, even for CLONE_SETTLS. We instead relied on libc runtime to do this, in say clone libc wrapper [1]. This was deliberate to keep kernel ABI agnostic (userspace could potentially change TP, specially for different ARC ISA say ARCompact vs. ARCv2 with different spare registers etc) However userspace setting up r25, after clone syscall opens a race, if child is not scheduled and gets a signal instead. It starts off in userspace not in clone but in a signal handler and anything TP sepcific there such as pthread_self() fails which showed up with uClibc testsuite nptl/tst-kill6 [2] Fix this by having kernel populate r25 to TP value. So this locks in ABI, but it was not going to change anyways, and fwiw is same for both ARCompact (arc700 core) and ARCvs (HS3x cores) [1] https://cgit.uclibc-ng.org/cgi/cgit/uclibc-ng.git/tree/libc/sysdeps/linux/a… [2] https://github.com/wbx-github/uclibc-ng-test/blob/master/test/nptl/tst-kill… Fixes: ARC STAR 9001378481 Cc: stable(a)vger.kernel.org Reported-by: Nikita Sobolev <sobolev(a)synopsys.com> Signed-off-by: Vineet Gupta <vgupta(a)synopsys.com> --- arch/arc/kernel/process.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arc/kernel/process.c b/arch/arc/kernel/process.c index 4674541eba3f..c29fa8ceb2d6 100644 --- a/arch/arc/kernel/process.c +++ b/arch/arc/kernel/process.c @@ -241,6 +241,26 @@ int copy_thread(unsigned long clone_flags, task_thread_info(current)->thr_ptr; } + + /* + * setup usermode thread pointer #1: + * when child is picked by scheduler, __switch_to() uses @c_callee to + * populate usermode callee regs: this is fine even despite being in a + * kernel function since special return path for child @ret_from_fork() + * ensures those regs are not clobbered all the way to RTIE to usermode + */ + c_callee->r25 = task_thread_info(p)->thr_ptr; + +#ifdef CONFIG_ARC_CURR_IN_REG + /* + * setup usermode thread pointer #2: + * however for this special use of r25 in kernel, __switch_to() sets + * r25 for kernel needs and only in the final return path is usermode + * r25 setup, from pt_regs->user_r25. So set that up as well + */ + c_regs->user_r25 = c_callee->r25; +#endif + return 0; } -- 2.7.4

6 years, 2 months

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+ kbuild-fix-kernel-boundsc-w=1-warning.patch added to -mm tree

by akpm＠linux-foundation.org

The patch titled Subject: kbuild: fix kernel/bounds.c 'W=1' warning has been added to the -mm tree. Its filename is kbuild-fix-kernel-boundsc-w=1-warning.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/kbuild-fix-kernel-boundsc-w%3D1-wa… and later at http://ozlabs.org/~akpm/mmotm/broken-out/kbuild-fix-kernel-boundsc-w%3D1-wa… Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Arnd Bergmann <arnd(a)arndb.de> Subject: kbuild: fix kernel/bounds.c 'W=1' warning Building any configuration with 'make W=1' produces a warning: kernel/bounds.c:16:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes] When also passing -Werror, this prevents us from building any other files. Nobody ever calls the function, but we can't make it 'static' either since we want the compiler output. Calling it 'main' instead however avoids the warning, because gcc does not insist on having a declaration for main. Link: http://lkml.kernel.org/r/20181005083313.2088252-1-arnd@arndb.de Signed-off-by: Arnd Bergmann <arnd(a)arndb.de> Reported-by: Kieran Bingham <kieran.bingham+renesas(a)ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham+renesas(a)ideasonboard.com> Cc: David Laight <David.Laight(a)ACULAB.COM> Cc: Masahiro Yamada <yamada.masahiro(a)socionext.com> Cc: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- kernel/bounds.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/kernel/bounds.c~kbuild-fix-kernel-boundsc-w=1-warning +++ a/kernel/bounds.c @@ -13,7 +13,7 @@ #include <linux/log2.h> #include <linux/spinlock_types.h> -void foo(void) +int main(void) { /* The enum constants to put into include/generated/bounds.h */ DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS); @@ -23,4 +23,6 @@ void foo(void) #endif DEFINE(SPINLOCK_SIZE, sizeof(spinlock_t)); /* End of constants */ + + return 0; } _ Patches currently in -mm which might be from arnd(a)arndb.de are ocfs2-dlmglue-clean-up-timestamp-handling.patch hugetlb-introduce-generic-version-of-huge_ptep_get-fix.patch kbuild-fix-kernel-boundsc-w=1-warning.patch vfs-replace-current_kernel_time64-with-ktime-equivalent.patch

6 years, 2 months

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[PATCH] lib/bch: fix possible stack overrun

by Arnd Bergmann

The previous patch introduced very large kernel stack usage and a Makefile change to hide the warning about it. >From what I can tell, a number of things went wrong here: - The BCH_MAX_T constant was set to the maximum value for 'n', not the maximum for 't', which is much smaller. - The stack usage is actually larger than the entire kernel stack on some architectures that can use 4KB stacks (m68k, sh, c6x), which leads to an immediate overrun. - The justification in the patch description claimed that nothing changed, however that is not the case even without the two points above: the configuration is machine specific, and most boards never use the maximum BCH_ECC_WORDS() length but instead have something much smaller. That maximum would only apply to machines that use both the maximum block size and the maximum ECC strength. The largest value for 't' that I could find is '32', which in turn leads to a 60 byte array instead of 2048 bytes. With that changed, the warning can be enabled again. Fixes: 02361bc77888 ("lib/bch: Remove VLA usage") Reported-by: Ard Biesheuvel <ard.biesheuvel(a)linaro.org> Cc: stable(a)vger.kernel.org Signed-off-by: Arnd Bergmann <arnd(a)arndb.de> --- Please review carefully to ensure my logic is correct. I spent a long time trying to understand what is going on here, but I'm not too familiar with this algorithm, and it's possible I still got it wrong as well. In particular, I'm not 100% sure if '32' is the maximum ECC strength we can support, or if a larger one (which?) might be possible. --- lib/Makefile | 1 - lib/bch.c | 10 ++++++---- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/lib/Makefile b/lib/Makefile index 8c9647fa271a..12c479dd46e0 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -122,7 +122,6 @@ obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/ obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/ obj-$(CONFIG_REED_SOLOMON) += reed_solomon/ obj-$(CONFIG_BCH) += bch.o -CFLAGS_bch.o := $(call cc-option,-Wframe-larger-than=4500) obj-$(CONFIG_LZO_COMPRESS) += lzo/ obj-$(CONFIG_LZO_DECOMPRESS) += lzo/ obj-$(CONFIG_LZ4_COMPRESS) += lz4/ diff --git a/lib/bch.c b/lib/bch.c index 7b0f2006698b..3ef1a3467e7b 100644 --- a/lib/bch.c +++ b/lib/bch.c @@ -79,20 +79,19 @@ #define GF_T(_p) (CONFIG_BCH_CONST_T) #define GF_N(_p) ((1 << (CONFIG_BCH_CONST_M))-1) #define BCH_MAX_M (CONFIG_BCH_CONST_M) +#define BCH_MAX_T (CONFIG_BCH_CONST_T) #else #define GF_M(_p) ((_p)->m) #define GF_T(_p) ((_p)->t) #define GF_N(_p) ((_p)->n) -#define BCH_MAX_M 15 +#define BCH_MAX_M 15 /* 2KB */ +#define BCH_MAX_T 32 /* 32 bit correction */ #endif -#define BCH_MAX_T (((1 << BCH_MAX_M) - 1) / BCH_MAX_M) - #define BCH_ECC_WORDS(_p) DIV_ROUND_UP(GF_M(_p)*GF_T(_p), 32) #define BCH_ECC_BYTES(_p) DIV_ROUND_UP(GF_M(_p)*GF_T(_p), 8) #define BCH_ECC_MAX_WORDS DIV_ROUND_UP(BCH_MAX_M * BCH_MAX_T, 32) -#define BCH_ECC_MAX_BYTES DIV_ROUND_UP(BCH_MAX_M * BCH_MAX_T, 8) #ifndef dbg #define dbg(_fmt, args...) do {} while (0) @@ -202,6 +201,9 @@ void encode_bch(struct bch_control *bch, const uint8_t *data, const uint32_t * const tab3 = tab2 + 256*(l+1); const uint32_t *pdata, *p0, *p1, *p2, *p3; + if (WARN_ON(r_bytes > sizeof(r))) + return; + if (ecc) { /* load ecc parity bytes into internal 32-bit buffer */ load_ecc8(bch, bch->ecc_buf, ecc); -- 2.18.0

6 years, 2 months

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[PATCH AUTOSEL 4.4 01/11] ASoC: wm8804: Add ACPI support

by Sasha Levin

From: Pierre-Louis Bossart <pierre-louis.bossart(a)linux.intel.com> [ Upstream commit 960cdd50ca9fdfeb82c2757107bcb7f93c8d7d41 ] HID made of either Wolfson/CirrusLogic PCI ID + 8804 identifier. This helps enumerate the HifiBerry Digi+ HAT boards on the Up2 platform. The scripts at https://github.com/thesofproject/acpi-scripts can be used to add the ACPI initrd overlays. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart(a)linux.intel.com> Acked-by: Charles Keepax <ckeepax(a)opensource.cirrus.com> Signed-off-by: Mark Brown <broonie(a)kernel.org> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> --- sound/soc/codecs/wm8804-i2c.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/wm8804-i2c.c b/sound/soc/codecs/wm8804-i2c.c index f27464c2c5ba..79541960f45d 100644 --- a/sound/soc/codecs/wm8804-i2c.c +++ b/sound/soc/codecs/wm8804-i2c.c @@ -13,6 +13,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/i2c.h> +#include <linux/acpi.h> #include "wm8804.h" @@ -40,17 +41,29 @@ static const struct i2c_device_id wm8804_i2c_id[] = { }; MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id); +#if defined(CONFIG_OF) static const struct of_device_id wm8804_of_match[] = { { .compatible = "wlf,wm8804", }, { } }; MODULE_DEVICE_TABLE(of, wm8804_of_match); +#endif + +#ifdef CONFIG_ACPI +static const struct acpi_device_id wm8804_acpi_match[] = { + { "1AEC8804", 0 }, /* Wolfson PCI ID + part ID */ + { "10138804", 0 }, /* Cirrus Logic PCI ID + part ID */ + { }, +}; +MODULE_DEVICE_TABLE(acpi, wm8804_acpi_match); +#endif static struct i2c_driver wm8804_i2c_driver = { .driver = { .name = "wm8804", .pm = &wm8804_pm, - .of_match_table = wm8804_of_match, + .of_match_table = of_match_ptr(wm8804_of_match), + .acpi_match_table = ACPI_PTR(wm8804_acpi_match), }, .probe = wm8804_i2c_probe, .remove = wm8804_i2c_remove, -- 2.17.1

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[PATCH AUTOSEL 4.9 01/14] ASoC: wm8804: Add ACPI support

by Sasha Levin

From: Pierre-Louis Bossart <pierre-louis.bossart(a)linux.intel.com> [ Upstream commit 960cdd50ca9fdfeb82c2757107bcb7f93c8d7d41 ] HID made of either Wolfson/CirrusLogic PCI ID + 8804 identifier. This helps enumerate the HifiBerry Digi+ HAT boards on the Up2 platform. The scripts at https://github.com/thesofproject/acpi-scripts can be used to add the ACPI initrd overlays. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart(a)linux.intel.com> Acked-by: Charles Keepax <ckeepax(a)opensource.cirrus.com> Signed-off-by: Mark Brown <broonie(a)kernel.org> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> --- sound/soc/codecs/wm8804-i2c.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/wm8804-i2c.c b/sound/soc/codecs/wm8804-i2c.c index f27464c2c5ba..79541960f45d 100644 --- a/sound/soc/codecs/wm8804-i2c.c +++ b/sound/soc/codecs/wm8804-i2c.c @@ -13,6 +13,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/i2c.h> +#include <linux/acpi.h> #include "wm8804.h" @@ -40,17 +41,29 @@ static const struct i2c_device_id wm8804_i2c_id[] = { }; MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id); +#if defined(CONFIG_OF) static const struct of_device_id wm8804_of_match[] = { { .compatible = "wlf,wm8804", }, { } }; MODULE_DEVICE_TABLE(of, wm8804_of_match); +#endif + +#ifdef CONFIG_ACPI +static const struct acpi_device_id wm8804_acpi_match[] = { + { "1AEC8804", 0 }, /* Wolfson PCI ID + part ID */ + { "10138804", 0 }, /* Cirrus Logic PCI ID + part ID */ + { }, +}; +MODULE_DEVICE_TABLE(acpi, wm8804_acpi_match); +#endif static struct i2c_driver wm8804_i2c_driver = { .driver = { .name = "wm8804", .pm = &wm8804_pm, - .of_match_table = wm8804_of_match, + .of_match_table = of_match_ptr(wm8804_of_match), + .acpi_match_table = ACPI_PTR(wm8804_acpi_match), }, .probe = wm8804_i2c_probe, .remove = wm8804_i2c_remove, -- 2.17.1

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[PATCH AUTOSEL 4.14 01/23] ASoC: rt5514: Fix the issue of the delay volume applied again

by Sasha Levin

From: Oder Chiou <oder_chiou(a)realtek.com> [ Upstream commit 6f0a256253f48095ba2e5bcdfbed41f21643c105 ] After our evaluation, we need to modify the default values to make sure the volume applied immediately. Signed-off-by: Oder Chiou <oder_chiou(a)realtek.com> Signed-off-by: Mark Brown <broonie(a)kernel.org> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> --- sound/soc/codecs/rt5514.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/sound/soc/codecs/rt5514.c b/sound/soc/codecs/rt5514.c index 1bfc8db1826a..56ddab43da7e 100644 --- a/sound/soc/codecs/rt5514.c +++ b/sound/soc/codecs/rt5514.c @@ -64,8 +64,8 @@ static const struct reg_sequence rt5514_patch[] = { {RT5514_ANA_CTRL_LDO10, 0x00028604}, {RT5514_ANA_CTRL_ADCFED, 0x00000800}, {RT5514_ASRC_IN_CTRL1, 0x00000003}, - {RT5514_DOWNFILTER0_CTRL3, 0x10000352}, - {RT5514_DOWNFILTER1_CTRL3, 0x10000352}, + {RT5514_DOWNFILTER0_CTRL3, 0x10000342}, + {RT5514_DOWNFILTER1_CTRL3, 0x10000342}, }; static const struct reg_default rt5514_reg[] = { @@ -92,10 +92,10 @@ static const struct reg_default rt5514_reg[] = { {RT5514_ASRC_IN_CTRL1, 0x00000003}, {RT5514_DOWNFILTER0_CTRL1, 0x00020c2f}, {RT5514_DOWNFILTER0_CTRL2, 0x00020c2f}, - {RT5514_DOWNFILTER0_CTRL3, 0x10000352}, + {RT5514_DOWNFILTER0_CTRL3, 0x10000342}, {RT5514_DOWNFILTER1_CTRL1, 0x00020c2f}, {RT5514_DOWNFILTER1_CTRL2, 0x00020c2f}, - {RT5514_DOWNFILTER1_CTRL3, 0x10000352}, + {RT5514_DOWNFILTER1_CTRL3, 0x10000342}, {RT5514_ANA_CTRL_LDO10, 0x00028604}, {RT5514_ANA_CTRL_LDO18_16, 0x02000345}, {RT5514_ANA_CTRL_ADC12, 0x0000a2a8}, -- 2.17.1

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[GIT PULL 0/5] perf/urgent fixes

by Arnaldo Carvalho de Melo

Hi Ingo, Please consider pulling, - Arnaldo Test results at the end of this message, as usual. The following changes since commit 5d05dfd13f20b01a3cd5d293058baa7d5c1583b6: Merge tag 'perf-urgent-for-mingo-4.19-20180918' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (2018-09-19 13:25:35 +0200) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-urgent-for-mingo-4.19-20181005 for you to fetch changes up to 7a8a8fcf7b860e4b2d4edc787c844d41cad9dfcf: perf record: Use unmapped IP for inline callchain cursors (2018-10-05 11:18:09 -0300) ---------------------------------------------------------------- perf/urgent fixes: - Fix the build on Clear Linux, coping with redundant declarations of function prototypes in python3 header files by adding -Wno-redundant-decls to build with PYTHON=python3 (Arnaldo Carvalho de Melo) - Fixes for processing inline frames in backtraces using DWARF based unwinding (Milian Wolff) - Cope with bad DWARF info for function names for inline frames,not trying to demangle this symbol. Problem reported with rust but reproduced as well with C++. Problem reported to the libbpf maintainers (Milian Wolff) - Fix python export to postgresql and sqlite code (Adrian Hunter) Signed-off-by: Arnaldo Carvalho de Melo <acme(a)redhat.com> ---------------------------------------------------------------- Adrian Hunter (2): perf script python: Fix export-to-postgresql.py occasional failure perf script python: Fix export-to-sqlite.py sample columns Arnaldo Carvalho de Melo (1): perf python: Use -Wno-redundant-decls to build with PYTHON=python3 Milian Wolff (2): perf report: Don't try to map ip to invalid map perf record: Use unmapped IP for inline callchain cursors tools/perf/scripts/python/export-to-postgresql.py | 9 +++++++++ tools/perf/scripts/python/export-to-sqlite.py | 6 +++++- tools/perf/util/machine.c | 8 +++++--- tools/perf/util/setup.py | 2 +- 4 files changed, 20 insertions(+), 5 deletions(-) Test results: The first ones are container (docker) based builds of tools/perf with and without libelf support. Where clang is available, it is also used to build perf with/without libelf, and building with LIBCLANGLLVM=1 (built-in clang) with gcc and clang when clang and its devel libraries are installed. The objtool and samples/bpf/ builds are disabled now that I'm switching from using the sources in a local volume to fetching them from a http server to build it inside the container, to make it easier to build in a container cluster. Those will come back later. Several are cross builds, the ones with -x-ARCH and the android one, and those may not have all the features built, due to lack of multi-arch devel packages, available and being used so far on just a few, like debian:experimental-x-{arm64,mipsel}. The 'perf test' one will perform a variety of tests exercising tools/perf/util/, tools/lib/{bpf,traceevent,etc}, as well as run perf commands with a variety of command line event specifications to then intercept the sys_perf_event syscall to check that the perf_event_attr fields are set up as expected, among a variety of other unit tests. Then there is the 'make -C tools/perf build-test' ones, that build tools/perf/ with a variety of feature sets, exercising the build with an incomplete set of features as well as with a complete one. It is planned to have it run on each of the containers mentioned above, using some container orchestration infrastructure. Get in contact if interested in helping having this in place. The Clear Linux container is building with NO_CLANG=1, the problem preventing its use when building for python3 has been identified and the next builds will build in ClearLinux with both gcc and clang. This time around only gcc was used. # dm 1 alpine:3.4 : Ok gcc (Alpine 5.3.0) 5.3.0 2 alpine:3.5 : Ok gcc (Alpine 6.2.1) 6.2.1 20160822 3 alpine:3.6 : Ok gcc (Alpine 6.3.0) 6.3.0 4 alpine:3.7 : Ok gcc (Alpine 6.4.0) 6.4.0 5 alpine:3.8 : Ok gcc (Alpine 6.4.0) 6.4.0 6 alpine:edge : Ok gcc (Alpine 6.4.0) 6.4.0 7 amazonlinux:1 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-28) 8 amazonlinux:2 : Ok gcc (GCC) 7.3.1 20180303 (Red Hat 7.3.1-5) 9 android-ndk:r12b-arm : Ok arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease) 10 android-ndk:r15c-arm : Ok arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease) 11 centos:5 : Ok gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-55) 12 centos:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23) 13 centos:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-28) 14 clearlinux:latest : Ok gcc (Clear Linux OS for Intel Architecture) 8.2.1 20180502 15 debian:7 : Ok gcc (Debian 4.7.2-5) 4.7.2 16 debian:8 : Ok gcc (Debian 4.9.2-10+deb8u1) 4.9.2 17 debian:9 : Ok gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516 18 debian:experimental : Ok gcc (Debian 8.2.0-7) 8.2.0 19 debian:experimental-x-arm64 : Ok aarch64-linux-gnu-gcc (Debian 8.2.0-4) 8.2.0 20 debian:experimental-x-mips : Ok mips-linux-gnu-gcc (Debian 8.1.0-12) 8.1.0 21 debian:experimental-x-mips64 : Ok mips64-linux-gnuabi64-gcc (Debian 8.1.0-12) 8.1.0 22 debian:experimental-x-mipsel : Ok mipsel-linux-gnu-gcc (Debian 8.1.0-12) 8.1.0 23 fedora:20 : Ok gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7) 24 fedora:21 : Ok gcc (GCC) 4.9.2 20150212 (Red Hat 4.9.2-6) 25 fedora:22 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6) 26 fedora:23 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6) 27 fedora:24 : Ok gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1) 28 fedora:24-x-ARC-uClibc : Ok arc-linux-gcc (ARCompact ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710 29 fedora:25 : Ok gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1) 30 fedora:26 : Ok gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2) 31 fedora:27 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6) 32 fedora:28 : Ok gcc (GCC) 8.1.1 20180712 (Red Hat 8.1.1-5) 33 fedora:rawhide : Ok gcc (GCC) 8.2.1 20180905 (Red Hat 8.2.1-3) 34 gentoo-stage3-amd64:latest : Ok gcc (Gentoo 7.3.0-r3 p1.4) 7.3.0 35 mageia:5 : Ok gcc (GCC) 4.9.2 36 mageia:6 : Ok gcc (Mageia 5.5.0-1.mga6) 5.5.0 37 opensuse:13.2 : Ok gcc (SUSE Linux) 4.8.3 20140627 [gcc-4_8-branch revision 212064] 38 opensuse:42.1 : Ok gcc (SUSE Linux) 4.8.5 39 opensuse:42.2 : Ok gcc (SUSE Linux) 4.8.5 40 opensuse:42.3 : Ok gcc (SUSE Linux) 4.8.5 41 opensuse:tumbleweed : Ok gcc (SUSE Linux) 7.3.1 20180323 [gcc-7-branch revision 258812] 42 oraclelinux:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1) 43 oraclelinux:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-28.0.1) 44 ubuntu:12.04.5 : Ok gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3 45 ubuntu:14.04.4 : Ok gcc (Ubuntu 4.8.4-2ubuntu1~14.04.3) 4.8.4 46 ubuntu:14.04.4-x-linaro-arm64 : Ok aarch64-linux-gnu-gcc (Linaro GCC 5.5-2017.10) 5.5.0 47 ubuntu:16.04 : Ok gcc (Ubuntu 5.4.0-6ubuntu1~16.04.10) 5.4.0 20160609 48 ubuntu:16.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609 49 ubuntu:16.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609 50 ubuntu:16.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609 51 ubuntu:16.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609 52 ubuntu:16.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609 53 ubuntu:16.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609 54 ubuntu:16.10 : Ok gcc (Ubuntu 6.2.0-5ubuntu12) 6.2.0 20161005 55 ubuntu:17.10 : Ok gcc (Ubuntu 7.2.0-8ubuntu3.2) 7.2.0 56 ubuntu:18.04 : Ok gcc (Ubuntu 7.3.0-16ubuntu3) 7.3.0 57 ubuntu:18.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 7.3.0-16ubuntu3) 7.3.0 58 ubuntu:18.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 7.3.0-16ubuntu3) 7.3.0 59 ubuntu:18.04-x-m68k : Ok m68k-linux-gnu-gcc (Ubuntu 7.3.0-16ubuntu3) 7.3.0 60 ubuntu:18.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 7.3.0-16ubuntu3) 7.3.0 61 ubuntu:18.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu 7.3.0-16ubuntu3) 7.3.0 62 ubuntu:18.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu 7.3.0-16ubuntu3) 7.3.0 63 ubuntu:18.04-x-riscv64 : Ok riscv64-linux-gnu-gcc (Ubuntu 7.3.0-16ubuntu3) 7.3.0 64 ubuntu:18.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 7.3.0-16ubuntu3) 7.3.0 65 ubuntu:18.04-x-sh4 : Ok sh4-linux-gnu-gcc (Ubuntu 7.3.0-16ubuntu3) 7.3.0 66 ubuntu:18.04-x-sparc64 : Ok sparc64-linux-gnu-gcc (Ubuntu 7.3.0-16ubuntu3) 7.3.0 67 ubuntu:18.10 : Ok gcc (Ubuntu 8.2.0-4ubuntu1) 8.2.0 # uname -a Linux jouet 4.19.0-rc4-00022-gad3273d5f1b9 #1 SMP Mon Sep 17 17:18:22 -03 2018 x86_64 x86_64 x86_64 GNU/Linux # git log --oneline -1 7a8a8fcf7b86 perf record: Use unmapped IP for inline callchain cursors # perf version --build-options perf version 4.19.rc4.g7a8a8f dwarf: [ on ] # HAVE_DWARF_SUPPORT dwarf_getlocations: [ on ] # HAVE_DWARF_GETLOCATIONS_SUPPORT glibc: [ on ] # HAVE_GLIBC_SUPPORT gtk2: [ on ] # HAVE_GTK2_SUPPORT syscall_table: [ on ] # HAVE_SYSCALL_TABLE_SUPPORT libbfd: [ on ] # HAVE_LIBBFD_SUPPORT libelf: [ on ] # HAVE_LIBELF_SUPPORT libnuma: [ on ] # HAVE_LIBNUMA_SUPPORT numa_num_possible_cpus: [ on ] # HAVE_LIBNUMA_SUPPORT libperl: [ on ] # HAVE_LIBPERL_SUPPORT libpython: [ on ] # HAVE_LIBPYTHON_SUPPORT libslang: [ on ] # HAVE_SLANG_SUPPORT libcrypto: [ on ] # HAVE_LIBCRYPTO_SUPPORT libunwind: [ on ] # HAVE_LIBUNWIND_SUPPORT libdw-dwarf-unwind: [ on ] # HAVE_DWARF_SUPPORT zlib: [ on ] # HAVE_ZLIB_SUPPORT lzma: [ on ] # HAVE_LZMA_SUPPORT get_cpuid: [ on ] # HAVE_AUXTRACE_SUPPORT bpf: [ on ] # HAVE_LIBBPF_SUPPORT # perf test 1: vmlinux symtab matches kallsyms : Ok 2: Detect openat syscall event : Ok 3: Detect openat syscall event on all cpus : Ok 4: Read samples using the mmap interface : Ok 5: Test data source output : Ok 6: Parse event definition strings : Ok 7: Simple expression parser : Ok 8: PERF_RECORD_* events & perf_sample fields : Ok 9: Parse perf pmu format : Ok 10: DSO data read : Ok 11: DSO data cache : Ok 12: DSO data reopen : Ok 13: Roundtrip evsel->name : Ok 14: Parse sched tracepoints fields : Ok 15: syscalls:sys_enter_openat event fields : Ok 16: Setup struct perf_event_attr : Ok 17: Match and link multiple hists : Ok 18: 'import perf' in python : Ok 19: Breakpoint overflow signal handler : Ok 20: Breakpoint overflow sampling : Ok 21: Breakpoint accounting : Ok 22: Number of exit events of a simple workload : Ok 23: Software clock events period values : Ok 24: Object code reading : Ok 25: Sample parsing : Ok 26: Use a dummy software event to keep tracking : Ok 27: Parse with no sample_id_all bit set : Ok 28: Filter hist entries : Ok 29: Lookup mmap thread : Ok 30: Share thread mg : Ok 31: Sort output of hist entries : Ok 32: Cumulate child hist entries : Ok 33: Track with sched_switch : Ok 34: Filter fds with revents mask in a fdarray : Ok 35: Add fd to a fdarray, making it autogrow : Ok 36: kmod_path__parse : Ok 37: Thread map : Ok 38: LLVM search and compile : 38.1: Basic BPF llvm compile : Ok 38.2: kbuild searching : Ok 38.3: Compile source for BPF prologue generation : Ok 38.4: Compile source for BPF relocation : Ok 39: Session topology : Ok 40: BPF filter : 40.1: Basic BPF filtering : Ok 40.2: BPF pinning : Ok 40.3: BPF prologue generation : Ok 40.4: BPF relocation checker : Ok 41: Synthesize thread map : Ok 42: Remove thread map : Ok 43: Synthesize cpu map : Ok 44: Synthesize stat config : Ok 45: Synthesize stat : Ok 46: Synthesize stat round : Ok 47: Synthesize attr update : Ok 48: Event times : Ok 49: Read backward ring buffer : Ok 50: Print cpu map : Ok 51: Probe SDT events : Ok 52: is_printable_array : Ok 53: Print bitmap : Ok 54: perf hooks : Ok 55: builtin clang support : Skip (not compiled in) 56: unit_number__scnprintf : Ok 57: mem2node : Ok 58: x86 rdpmc : Ok 59: Convert perf time to TSC : Ok 60: DWARF unwind : Ok 61: x86 instruction decoder - new instructions : Ok 62: x86 bp modify : Ok 63: Use vfs_getname probe to get syscall args filenames : Ok 64: Check open filename arg using perf trace + vfs_getname: Ok 65: probe libc's inet_pton & backtrace it with ping : Ok 66: Add vfs_getname probe to get syscall args filenames : Ok $ make -C tools/perf build-test make: Entering directory '/home/acme/git/perf/tools/perf' - tarpkg: ./tests/perf-targz-src-pkg . make_with_clangllvm_O: make LIBCLANGLLVM=1 make_install_prefix_slash_O: make install prefix=/tmp/krava/ make_minimal_O: make NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1 NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1 NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 NO_LIBBPF=1 NO_LIBCRYPTO=1 NO_SDT=1 NO_JVMTI=1 make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1 make_pure_O: make - /home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP_STATIC: make FEATURE_DUMP_COPY=/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP_STATIC LDFLAGS='-static' feature-dump make_static_O: make LDFLAGS=-static make_perf_o_O: make perf.o make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1 make_clean_all_O: make clean all make_no_libbpf_O: make NO_LIBBPF=1 make_install_prefix_O: make install prefix=/tmp/krava make_no_newt_O: make NO_NEWT=1 make_no_backtrace_O: make NO_BACKTRACE=1 make_no_auxtrace_O: make NO_AUXTRACE=1 make_with_babeltrace_O: make LIBBABELTRACE=1 make_no_libnuma_O: make NO_LIBNUMA=1 make_debug_O: make DEBUG=1 make_no_libaudit_O: make NO_LIBAUDIT=1 make_util_map_o_O: make util/map.o make_tags_O: make tags make_no_libbionic_O: make NO_LIBBIONIC=1 make_no_libelf_O: make NO_LIBELF=1 make_no_libpython_O: make NO_LIBPYTHON=1 make_no_libperl_O: make NO_LIBPERL=1 make_no_demangle_O: make NO_DEMANGLE=1 make_no_slang_O: make NO_SLANG=1 make_no_libunwind_O: make NO_LIBUNWIND=1 make_install_O: make install make_util_pmu_bison_o_O: make util/pmu-bison.o make_install_bin_O: make install-bin make_no_gtk2_O: make NO_GTK2=1 make_doc_O: make doc make_help_O: make help make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1 OK make: Leaving directory '/home/acme/git/perf/tools/perf' $

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Linux-stable-mirror October 2018