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authorXiao Guangrong <xiaoguangrong@cn.fujitsu.com>2010-03-11 15:30:35 +0800
committerIngo Molnar <mingo@elte.hu>2010-03-11 15:21:29 +0100
commit639fe4b12f92b54c9c3b38c82cdafaa38cfd3e63 (patch)
tree145b856d6945bf8575e0b1636a91be6474f87562
parent45e16a6834b6af098702e5ea6c9a40de42ff77d8 (diff)
perf: export perf_trace_regs and perf_arch_fetch_caller_regs
Export perf_trace_regs and perf_arch_fetch_caller_regs since module will use these. Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> [ use EXPORT_PER_CPU_SYMBOL_GPL() ] Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <4B989C1B.2090407@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--arch/x86/kernel/cpu/perf_event.c1
-rw-r--r--kernel/trace/trace_event_perf.c1
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 5fb490c6ee5..7645faea8e8 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1713,3 +1713,4 @@ 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 f315b12a41d..0709e4f7511 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_PER_CPU_SYMBOL_GPL(perf_trace_regs);
static char *perf_trace_buf;
static char *perf_trace_buf_nmi;