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    Subject[PATCH v3 02/11] arm64: uaccess s/might_sleep/might_fault/
    The only reason uaccess routines might sleep
    is if they fault. Make this explicit.

    Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
    Acked-by: Catalin Marinas <catalin.marinas@arm.com>
    ---
    arch/arm64/include/asm/uaccess.h | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
    index 008f848..edb3d5c 100644
    --- a/arch/arm64/include/asm/uaccess.h
    +++ b/arch/arm64/include/asm/uaccess.h
    @@ -166,7 +166,7 @@ do { \

    #define get_user(x, ptr) \
    ({ \
    - might_sleep(); \
    + might_fault(); \
    access_ok(VERIFY_READ, (ptr), sizeof(*(ptr))) ? \
    __get_user((x), (ptr)) : \
    ((x) = 0, -EFAULT); \
    @@ -227,7 +227,7 @@ do { \

    #define put_user(x, ptr) \
    ({ \
    - might_sleep(); \
    + might_fault(); \
    access_ok(VERIFY_WRITE, (ptr), sizeof(*(ptr))) ? \
    __put_user((x), (ptr)) : \
    -EFAULT; \
    --
    MST

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