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    Subject[PATCH 0/3] sys_membarrier (x86, generic)
    Date
    Hi Andrew,

    Here is a repost of sys_membarrier, rebased on top of Linus commit
    c4b5fd3fb2058b650447372472ad24e2a989f9f6 without any change since the
    last v19 post other that proceeding to further testing. When merging
    with other system calls, system call number conflicts should be quite
    straightforward to handle, there is nothing special there.

    Please consider pulling it into your tree in preparation for the
    following merge window.

    Thanks!

    Mathieu

    Mathieu Desnoyers (2):
    sys_membarrier(): system-wide memory barrier (generic, x86)
    selftests: enhance membarrier syscall test

    Pranith Kumar (1):
    selftests: add membarrier syscall test

    MAINTAINERS | 8 ++
    arch/x86/entry/syscalls/syscall_32.tbl | 1 +
    arch/x86/entry/syscalls/syscall_64.tbl | 1 +
    include/linux/syscalls.h | 2 +
    include/uapi/asm-generic/unistd.h | 4 +-
    include/uapi/linux/Kbuild | 1 +
    include/uapi/linux/membarrier.h | 53 +++++++++
    init/Kconfig | 12 ++
    kernel/Makefile | 1 +
    kernel/membarrier.c | 66 +++++++++++
    kernel/sys_ni.c | 3 +
    tools/testing/selftests/Makefile | 1 +
    tools/testing/selftests/membarrier/.gitignore | 1 +
    tools/testing/selftests/membarrier/Makefile | 11 ++
    .../testing/selftests/membarrier/membarrier_test.c | 121 +++++++++++++++++++++
    15 files changed, 285 insertions(+), 1 deletion(-)
    create mode 100644 include/uapi/linux/membarrier.h
    create mode 100644 kernel/membarrier.c
    create mode 100644 tools/testing/selftests/membarrier/.gitignore
    create mode 100644 tools/testing/selftests/membarrier/Makefile
    create mode 100644 tools/testing/selftests/membarrier/membarrier_test.c

    --
    2.1.4



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