Commit febe8345 authored by Paul Mundt's avatar Paul Mundt
Browse files

perf_counter tools: add cpu_relax()/rmb() definitions for sh. 



Simple cpu_relax()/rmb() stubs that perf needs, which were inadvertently
omitted from the sh HAVE_PERF_COUNTERS patch.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 163b2f0b

tools/perf/perf.h

+10 −0
Original line number Diff line number Diff line
@@ -19,6 +19,16 @@ 
#define cpu_relax()	asm volatile("" ::: "memory");

#endif



#ifdef __sh__

#include "../../arch/sh/include/asm/unistd.h"

#if defined(__SH4A__) || defined(__SH5__)

# define rmb()		asm volatile("synco" ::: "memory")

#else

# define rmb()		asm volatile("" ::: "memory")

#endif

#define cpu_relax()	asm volatile("" ::: "memory")

#endif



#include <time.h>

#include <unistd.h>

#include <sys/types.h>