Merge branch 'btrfs-3.0' of git://github.com/chrismason/linux

[~andy/linux] / arch / powerpc / include / asm / perf_event.h

diff --git a/arch/powerpc/include/asm/perf_event.h b/arch/powerpc/include/asm/perf_event.h
index e6d4ce69b126eef07a463fc144ef2020ed53ad05..5c16b891d501f8f3943a10311d1020da608843d1 100644 (file)
--- a/arch/powerpc/include/asm/perf_event.h
+++ b/arch/powerpc/include/asm/perf_event.h
@@ -21,3 +21,15 @@
 #ifdef CONFIG_FSL_EMB_PERF_EVENT
 #include <asm/perf_event_fsl_emb.h>
 #endif
+
+#ifdef CONFIG_PERF_EVENTS
+#include <asm/ptrace.h>
+#include <asm/reg.h>
+
+#define perf_arch_fetch_caller_regs(regs, __ip)                        \
+       do {                                                    \
+               (regs)->nip = __ip;                             \
+               (regs)->gpr[1] = *(unsigned long *)__get_SP();  \
+               asm volatile("mfmsr %0" : "=r" ((regs)->msr));  \
+       } while (0)
+#endif