x86, perf: Clean up perf_event cpu code

The CPU support for perf events on x86 was implemented via included C files
with #ifdefs.  Clean this up by creating a new header file and compiling
the vendor-specific files as needed.

Signed-off-by: Kevin Winchester <kjwinchester@gmail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1314747665-2090-1-git-send-email-kjwinchester@gmail.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 7 insertions, 11 deletions

diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c
index ee9436c3e5d6..ed334c889265 100644
--- a/arch/x86/kernel/cpu/perf_event_amd.c
+++ b/arch/x86/kernel/cpu/perf_event_amd.c
@@ -1,4 +1,9 @@
-#ifdef CONFIG_CPU_SUP_AMD
+#include <linux/perf_event.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+
+#include "perf_event.h"
 
 static __initconst const u64 amd_hw_cache_event_ids
                                 [PERF_COUNT_HW_CACHE_MAX]
@@ -573,7 +578,7 @@ static __initconst const struct x86_pmu amd_pmu_f15h = {
 #endif
 };
 
-static __init int amd_pmu_init(void)
+__init int amd_pmu_init(void)
 {
         /* Performance-monitoring supported from K7 and later: */
         if (boot_cpu_data.x86 < 6)
@@ -602,12 +607,3 @@ static __init int amd_pmu_init(void)
 
         return 0;
 }
-
-#else /* CONFIG_CPU_SUP_AMD */
-
-static int amd_pmu_init(void)
-{
-        return 0;
-}
-
-#endif