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From: tip-bot for Nobuhiro Iwamatsu on 25 Jun 2010 09:30
Commit-ID: 5cfaf214856eb934759ae500a0b812dd06a00bd9
Gitweb: http://git.kernel.org/tip/5cfaf214856eb934759ae500a0b812dd06a00bd9
Author: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj(a)renesas.com>
AuthorDate: Wed, 23 Jun 2010 09:17:53 +0900
Committer: Frederic Weisbecker <fweisbec(a)gmail.com>
CommitDate: Thu, 24 Jun 2010 23:34:58 +0200

perf: Fix argument of perf_arch_fetch_caller_regs

"struct regs" was set to argument of perf_arch_fetch_caller_regs
off-case. It should be "struct pt_regs".

This fixes various build errors in archs that have CONFIG_PERF_EVENTS=y
but no overriden implementation of perf_arch_fetch_caller_regs.

cc1: warnings being treated as errors
In file included from include/linux/ftrace_event.h:8,
from include/trace/syscall.h:6,
from include/linux/syscalls.h:75,
from arch/sh/kernel/sys_sh32.c:9:
include/linux/perf_event.h:937: error: 'struct regs' declared inside parameter list
include/linux/perf_event.h:937: error: its scope is only this definition or declaration, which is probably not what you want
include/linux/perf_event.h: In function 'perf_fetch_caller_regs':
include/linux/perf_event.h:952: error: passing argument 1 of 'perf_arch_fetch_caller_regs' from incompatible pointer type

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj(a)renesas.com>
Reported-by: Stephen Rothwell <sfr(a)canb.auug.org.au>
Cc: Paul Mackerras <paulus(a)samba.org>
Cc: David Miller <davem(a)davemloft.net>
Cc: Ingo Molnar <mingo(a)elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra(a)chello.nl>
Cc: Arnaldo Carvalho de Melo <acme(a)redhat.com>
LKML-Reference: <AANLkTinKKFKEBQrZ3Hkj-XCaMwaTqulb-XnFzqEYiFRr(a)mail.gmail.com>
Signed-off-by: Frederic Weisbecker <fweisbec(a)gmail.com>
---
include/linux/perf_event.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 0dd5f8a..937495c 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -936,7 +936,7 @@ extern void __perf_sw_event(u32, u64, int, struct pt_regs *, u64);

#ifndef perf_arch_fetch_caller_regs
static inline void
-perf_arch_fetch_caller_regs(struct regs *regs, unsigned long ip) { }
+perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip) { }
#endif

/*
--
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