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Commit 62982ad6 authored by Al Viro's avatar Al Viro Committed by Richard Weinberger
Browse files

um: sysdep/barrier.h is not used for anything 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent 0de021f7

arch/um/os-Linux/signal.c

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@@ -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 *) = {

arch/um/sys-x86/shared/sysdep/barrier.h

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#ifdef __i386__

#include "barrier_32.h"

#else

#include "barrier_64.h"

#endif

arch/um/sys-x86/shared/sysdep/barrier_32.h

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#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

arch/um/sys-x86/shared/sysdep/barrier_64.h

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#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