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    Subject[ 44/82] x86-64, kcmp: The kcmp system call can be common
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    From: Greg KH <gregkh@linuxfoundation.org>

    3.5-stable review patch. If anyone has any objections, please let me know.

    ------------------

    From: "H. Peter Anvin" <hpa@linux.intel.com>

    commit eaf4ce6c5fed6b4c55f7efcd5fc3477435cab5e9 upstream.

    We already use the same system call handler for i386 and x86-64, there
    is absolutely no reason x32 can't use the same system call, too.

    Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
    Cc: H.J. Lu <hjl.tools@gmail.com>
    Cc: Cyrill Gorcunov <gorcunov@openvz.org>
    Link: http://lkml.kernel.org/n/tip-vwzk3qbcr3yjyxjg2j38vgy9@git.kernel.org
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    arch/x86/syscalls/syscall_64.tbl | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/arch/x86/syscalls/syscall_64.tbl
    +++ b/arch/x86/syscalls/syscall_64.tbl
    @@ -318,7 +318,7 @@
    309 common getcpu sys_getcpu
    310 64 process_vm_readv sys_process_vm_readv
    311 64 process_vm_writev sys_process_vm_writev
    -312 64 kcmp sys_kcmp
    +312 common kcmp sys_kcmp

    #
    # x32-specific system call numbers start at 512 to avoid cache impact



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