linux-kernel - [tip:perf/urgent] perf: export perf_trace_regs and perf_arch_fetch_caller

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Date:	Thu, 11 Mar 2010 14:41:34 GMT
From:	tip-bot for Xiao Guangrong <xiaoguangrong@...fujitsu.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	a.p.zijlstra@...llo.nl, xiaoguangrong@...fujitsu.com,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:perf/urgent] perf: export perf_trace_regs and perf_arch_fetch_caller_regs

Commit-ID:  639fe4b12f92b54c9c3b38c82cdafaa38cfd3e63
Gitweb:     http://git.kernel.org/tip/639fe4b12f92b54c9c3b38c82cdafaa38cfd3e63
Author:     Xiao Guangrong <xiaoguangrong@...fujitsu.com>
AuthorDate: Thu, 11 Mar 2010 15:30:35 +0800
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 11 Mar 2010 15:21:29 +0100

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@...fujitsu.com>
[ use EXPORT_PER_CPU_SYMBOL_GPL() ]
Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
LKML-Reference: <4B989C1B.2090407@...fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 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 5fb490c..7645fae 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 f315b12..0709e4f 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;
--
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