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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2012-05-14 15:25:34 +0200
committerIngo Molnar <mingo@kernel.org>2012-06-06 17:23:22 +0200
commit1c2ac3fde3e35279958e7b0408e2dcf866465301 (patch)
tree78e2d44380153762bb0fc3e8614f5a7f9514d71e /arch/x86/kernel/cpu/perf_event.h
parentff1f74fdcf1881b6c008463c34e9e2a93abe117a (diff)
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>
Diffstat (limited to 'arch/x86/kernel/cpu/perf_event.h')
-rw-r--r--arch/x86/kernel/cpu/perf_event.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h
index 7241e2fc3c17..23b5710b1747 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 -------------------------------