Commit 4138960a authored Apr 29, 2009 by Robert Richter Committed by Ingo Molnar Apr 29, 2009

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>

parent 829b42dd

arch/x86/kernel/cpu/perf_counter.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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;