[PATCH 1/4] perf: Drop the frame reliablity check

From: Frederic Weisbecker
Date: Sun Apr 04 2010 - 10:37:10 EST

It is useless now that we have a pure stack frame
walker, as given addr are always reliable.

Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
arch/x86/kernel/cpu/perf_event.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 65e9c5e..353a174 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1602,8 +1602,7 @@ static void backtrace_address(void *data, unsigned long addr, int reliable)
struct perf_callchain_entry *entry = data;

- if (reliable)
- callchain_store(entry, addr);
+ callchain_store(entry, addr);

static const struct stacktrace_ops backtrace_ops = {

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