| commit | 095342389e2ed8deed07b3076f990260ce3c7c9f | |
| author | Robert Richter <robert.richter@amd.com> | |
| Wed, 29 Apr 2009 10:47:16 +0000 (29 12:47 +0200) | ||
| committer | Ingo Molnar <mingo@elte.hu> | |
| Wed, 29 Apr 2009 12:51:10 +0000 (29 14:51 +0200) | ||
| tree | 53f2666d3d428cd4b4683a4b168a30f871896083 | treesnapshot (tar.gz zip) |
| parent | 93904966934193204ad08e951f806d5631c29eb3 | commitdiff |
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>
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>
| arch/x86/kernel/cpu/perf_counter.c | diffblobblamehistory |