perf_counter: Fix userspace build
recent userspace (F11) seems to already include the
linux/unistd.h bits which means we cannot include the version
in the kernel sources due to the header guards being the same.
Ensure we include the kernel version first.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: John Kacur <jkacur@redhat.com>
LKML-Reference: <20090523163012.739756497@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/Documentation/perf_counter/perf.h b/Documentation/perf_counter/perf.h
index 81a7374..a517683 100644
--- a/Documentation/perf_counter/perf.h
+++ b/Documentation/perf_counter/perf.h
@@ -1,6 +1,25 @@
#ifndef _PERF_PERF_H
#define _PERF_PERF_H
+#if defined(__x86_64__) || defined(__i386__)
+#include "../../arch/x86/include/asm/unistd.h"
+#define rmb() asm volatile("lfence" ::: "memory")
+#define cpu_relax() asm volatile("rep; nop" ::: "memory");
+#endif
+
+#ifdef __powerpc__
+#include "../../arch/powerpc/include/asm/unistd.h"
+#define rmb() asm volatile ("sync" ::: "memory")
+#define cpu_relax() asm volatile ("" ::: "memory");
+#endif
+
+#include <time.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/syscall.h>
+
+#include "../../include/linux/perf_counter.h"
+
/*
* prctl(PR_TASK_PERF_COUNTERS_DISABLE) will (cheaply) disable all
* counters in the current task.
@@ -26,18 +45,6 @@
#define __user
#define asmlinkage
-#if defined(__x86_64__) || defined(__i386__)
-#include "../../arch/x86/include/asm/unistd.h"
-#define rmb() asm volatile("lfence" ::: "memory")
-#define cpu_relax() asm volatile("rep; nop" ::: "memory");
-#endif
-
-#ifdef __powerpc__
-#include "../../arch/powerpc/include/asm/unistd.h"
-#define rmb() asm volatile ("sync" ::: "memory")
-#define cpu_relax() asm volatile ("" ::: "memory");
-#endif
-
#define unlikely(x) __builtin_expect(!!(x), 0)
#define min(x, y) ({ \
typeof(x) _min1 = (x); \