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@chello.nl>
Link: http://lkml.kernel.org/n/tip-l4gkfnivwv4yi5mqxjlovymx@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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) = {

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 -------------------------------