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perf: Remove unused variable

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This fixes the following build warning introduced by the
callchain rework:

  arch/x86/kernel/cpu/perf_event.c:1574: warning: ‘perf_callchain_entry_nmi’ defined but not used

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <1282718949.16443.75.camel@minggr.sh.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Lin Ming 2010-08-25 14:49:09 +08:00 committed by Ingo Molnar
parent 612d4fd7d0
commit 04fba67163
1 changed files with 0 additions and 3 deletions
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3
arch/x86/kernel/cpu/perf_event.c
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@ -1571,9 +1571,6 @@ const struct pmu *hw_perf_event_init(struct perf_event *event)
* callchain support
*/
static DEFINE_PER_CPU(struct perf_callchain_entry, perf_callchain_entry_nmi);
static void
backtrace_warning_symbol(void *data, char *msg, unsigned long symbol)
{