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Diffstat (limited to 'arch/x86/include/asm/perf_event.h')
-rw-r--r--arch/x86/include/asm/perf_event.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index d9d4dae305f..094fb30817a 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -152,6 +152,11 @@ extern unsigned long perf_misc_flags(struct pt_regs *regs);
(regs)->bp = caller_frame_pointer(); \
(regs)->cs = __KERNEL_CS; \
regs->flags = 0; \
+ asm volatile( \
+ _ASM_MOV "%%"_ASM_SP ", %0\n" \
+ : "=m" ((regs)->sp) \
+ :: "memory" \
+ ); \
}
#else