| Date | Wed, 29 Apr 2009 13:03:53 GMT | From | tip-bot for Robert Richter <> | Subject | [tip:perfcounters/core] perf_counter, x86: add default path to cpu detection |
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Commit-ID: 4138960a9251a265002b5cf07e671a49f8495381 Gitweb: http://git.kernel.org/tip/4138960a9251a265002b5cf07e671a49f8495381 Author: Robert Richter <robert.richter@amd.com> AuthorDate: Wed, 29 Apr 2009 12:47:00 +0200 Committer: Ingo Molnar <mingo@elte.hu> CommitDate: Wed, 29 Apr 2009 14:51:01 +0200
perf_counter, x86: add default path to cpu detection
This quits hw counter initialization immediately if no cpu is detected.
[ Impact: cleanup ]
Signed-off-by: Robert Richter <robert.richter@amd.com> Cc: Paul Mackerras <paulus@samba.org> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1241002046-8832-4-git-send-email-robert.richter@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
--- arch/x86/kernel/cpu/perf_counter.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c index 7d0f81d..d6d6529 100644 --- a/arch/x86/kernel/cpu/perf_counter.c +++ b/arch/x86/kernel/cpu/perf_counter.c @@ -997,6 +997,8 @@ void __init init_hw_perf_counters(void) case X86_VENDOR_AMD: pmc_ops = pmc_amd_init(); break; + default: + return; } if (!pmc_ops) return;
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