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Subject[tip:perfcounters/core] perf_counter, x86: declare perf_max_counters only for CONFIG_PERF_COUNTERS
Commit-ID:  829b42dd395c5801f6ae87da87ecbdcfd5ef1a6c
Gitweb: http://git.kernel.org/tip/829b42dd395c5801f6ae87da87ecbdcfd5ef1a6c
Author: Robert Richter <robert.richter@amd.com>
AuthorDate: Wed, 29 Apr 2009 12:46:59 +0200
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Wed, 29 Apr 2009 14:51:01 +0200

perf_counter, x86: declare perf_max_counters only for CONFIG_PERF_COUNTERS

This is only needed for CONFIG_PERF_COUNTERS enabled.

[ Impact: cleanup ]

Signed-off-by: Robert Richter <robert.richter@amd.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1241002046-8832-3-git-send-email-robert.richter@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>


---
include/linux/perf_counter.h | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 9814328..be10b3f 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -512,12 +512,13 @@ struct perf_cpu_context {
int recursion[4];
};

+#ifdef CONFIG_PERF_COUNTERS
+
/*
* Set by architecture code:
*/
extern int perf_max_counters;

-#ifdef CONFIG_PERF_COUNTERS
extern const struct hw_perf_counter_ops *
hw_perf_counter_init(struct perf_counter *counter);


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