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

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
...@@ -12,7 +12,6 @@ ...@@ -12,7 +12,6 @@
#include "as-layout.h" #include "as-layout.h"
#include "kern_util.h" #include "kern_util.h"
#include "os.h" #include "os.h"
#include "sysdep/barrier.h"
#include "sysdep/mcontext.h" #include "sysdep/mcontext.h"
void (*sig_info[NSIG])(int, struct uml_pt_regs *) = { void (*sig_info[NSIG])(int, struct uml_pt_regs *) = {
......
#ifdef __i386__
#include "barrier_32.h"
#else
#include "barrier_64.h"
#endif
#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
#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
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