diff options
| author |   Robert Richter <robert.richter@amd.com> | 2009-04-29 12:47:00 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2009-04-29 14:51:01 +0200 |
| commit | 4138960a9251a265002b5cf07e671a49f8495381 (patch) | |
| tree | 7c2be16434955c87146911193329f1baef4b0f63 /arch/x86/kernel/cpu/perf_counter.c | |
| parent | perf_counter, x86: declare perf_max_counters only for CONFIG_PERF_COUNTERS (diff) | |
| download | linux-dev-4138960a9251a265002b5cf07e671a49f8495381.tar.xz linux-dev-4138960a9251a265002b5cf07e671a49f8495381.zip | |
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>
Diffstat (limited to 'arch/x86/kernel/cpu/perf_counter.c')
| -rw-r--r-- | 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 7d0f81dcb524..d6d6529349dd 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; |