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    SubjectSubject: [PATCH 40/91] um: sysdep/barrier.h is not used for anything
    From

    Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
    ---
    arch/um/os-Linux/signal.c | 1 -
    arch/um/sys-x86/shared/sysdep/barrier.h | 5 -----
    arch/um/sys-x86/shared/sysdep/barrier_32.h | 9 ---------
    arch/um/sys-x86/shared/sysdep/barrier_64.h | 7 -------
    4 files changed, 0 insertions(+), 22 deletions(-)
    delete mode 100644 arch/um/sys-x86/shared/sysdep/barrier.h
    delete mode 100644 arch/um/sys-x86/shared/sysdep/barrier_32.h
    delete mode 100644 arch/um/sys-x86/shared/sysdep/barrier_64.h

    diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
    index 4d31688..2d22f1f 100644
    --- a/arch/um/os-Linux/signal.c
    +++ b/arch/um/os-Linux/signal.c
    @@ -12,7 +12,6 @@
    #include "as-layout.h"
    #include "kern_util.h"
    #include "os.h"
    -#include "sysdep/barrier.h"
    #include "sysdep/mcontext.h"

    void (*sig_info[NSIG])(int, struct uml_pt_regs *) = {
    diff --git a/arch/um/sys-x86/shared/sysdep/barrier.h b/arch/um/sys-x86/shared/sysdep/barrier.h
    deleted file mode 100644
    index 89ee23b..0000000
    --- a/arch/um/sys-x86/shared/sysdep/barrier.h
    +++ /dev/null
    @@ -1,5 +0,0 @@
    -#ifdef __i386__
    -#include "barrier_32.h"
    -#else
    -#include "barrier_64.h"
    -#endif
    diff --git a/arch/um/sys-x86/shared/sysdep/barrier_32.h b/arch/um/sys-x86/shared/sysdep/barrier_32.h
    deleted file mode 100644
    index b58d52c..0000000
    --- a/arch/um/sys-x86/shared/sysdep/barrier_32.h
    +++ /dev/null
    @@ -1,9 +0,0 @@
    -#ifndef __SYSDEP_I386_BARRIER_H
    -#define __SYSDEP_I386_BARRIER_H
    -
    -/* Copied from include/asm-i386 for use by userspace. i386 has the option
    - * of using mfence, but I'm just using this, which works everywhere, for now.
    - */
    -#define mb() asm volatile("lock; addl $0,0(%esp)")
    -
    -#endif
    diff --git a/arch/um/sys-x86/shared/sysdep/barrier_64.h b/arch/um/sys-x86/shared/sysdep/barrier_64.h
    deleted file mode 100644
    index 7b610be..0000000
    --- a/arch/um/sys-x86/shared/sysdep/barrier_64.h
    +++ /dev/null
    @@ -1,7 +0,0 @@
    -#ifndef __SYSDEP_X86_64_BARRIER_H
    -#define __SYSDEP_X86_64_BARRIER_H
    -
    -/* Copied from include/asm-x86_64 for use by userspace. */
    -#define mb() asm volatile("mfence":::"memory")
    -
    -#endif
    --
    1.7.2.5



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