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perf: export perf_trace_regs and perf_arch_fetch_caller_regs

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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>
This commit is contained in:
Xiao Guangrong 2010-03-11 15:30:35 +08:00 committed by Ingo Molnar
parent 45e16a6834
commit 639fe4b12f
2 changed files with 2 additions and 0 deletions
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1
arch/x86/kernel/cpu/perf_event.c
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@ -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);

1
kernel/trace/trace_event_perf.c
View File

@ -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;