tree 53f2666d3d428cd4b4683a4b168a30f871896083
parent 93904966934193204ad08e951f806d5631c29eb3
author Robert Richter <robert.richter@amd.com> 1241002036 +0200
committer Ingo Molnar <mingo@elte.hu> 1241009470 +0200

perf_counter, x86: generic use of cpuc->active

cpuc->active will now be used to indicate an enabled counter which
implies also valid pointers of cpuc->counters[]. In contrast,
cpuc->used only locks the counter, but it can be still uninitialized.

[ Impact: refactor and generalize code ]

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: <1241002046-8832-20-git-send-email-robert.richter@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>