[PATCH] perf: export perf_trace_regs and perf_arch_fetch_caller_regs

[Xiao Guangrong]

Export perf_trace_regs and perf_arch_fetch_caller_regs since module will
use these

Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxx>
---
 arch/x86/kernel/cpu/perf_event.c |    1 +
 kernel/trace/trace_event_perf.c  |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 4a0514d..8700643 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1697,3 +1697,4 @@ void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int ski
 	regs->cs = __KERNEL_CS;
 	local_save_flags(regs->flags);
 }
+EXPORT_SYMBOL_GPL(perf_arch_fetch_caller_regs);
diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c
index f315b12..af4621b 100644
--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -10,6 +10,7 @@
 #include "trace.h"
 
 DEFINE_PER_CPU(struct pt_regs, perf_trace_regs);
+EXPORT_SYMBOL_GPL(perf_trace_regs);
 
 static char *perf_trace_buf;
 static char *perf_trace_buf_nmi;
-- 
1.6.4

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