Commit-ID: 1c2ac3fde3e35279958e7b0408e2dcf866465301
Gitweb: http://git.kernel.org/tip/1c2ac3fde3e35279958e7b0408e2dcf866465301
Author: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
AuthorDate: Mon, 14 May 2012 15:25:34 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 6 Jun 2012 17:23:22 +0200
perf/x86: Fix wrmsrl() debug wrapper
Move the wrmslr() debug wrapper to the common header now that all the
include games are gone. Also clean it up a bit to avoid multiple
evaluation of the argument.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-l4gkfnivwv4yi5mqxjlovymx@xxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/kernel/cpu/perf_event.c | 11 -----------
arch/x86/kernel/cpu/perf_event.h | 12 ++++++++++++
2 files changed, 12 insertions(+), 11 deletions(-)
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index c4706cf..43c2017 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -35,17 +35,6 @@
#include "perf_event.h"
-#if 0
-#undef wrmsrl
-#define wrmsrl(msr, val) \
-do { \
- trace_printk("wrmsrl(%lx, %lx)\n", (unsigned long)(msr),\
- (unsigned long)(val)); \
- native_write_msr((msr), (u32)((u64)(val)), \
- (u32)((u64)(val) >> 32)); \
-} while (0)
-#endif
-
struct x86_pmu x86_pmu __read_mostly;
DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = {
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h
index 7241e2f..23b5710 100644
--- a/arch/x86/kernel/cpu/perf_event.h
+++ b/arch/x86/kernel/cpu/perf_event.h
@@ -14,6 +14,18 @@
#include <linux/perf_event.h>
+#if 0
+#undef wrmsrl
+#define wrmsrl(msr, val) \
+do { \
+ unsigned int _msr = (msr); \
+ u64 _val = (val); \
+ trace_printk("wrmsrl(%x, %Lx)\n", (unsigned int)(_msr), \
+ (unsigned long long)(_val)); \
+ native_write_msr((_msr), (u32)(_val), (u32)(_val >> 32)); \
+} while (0)
+#endif
+
/*
* | NHM/WSM | SNB |
* register -------------------------------
--
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