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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-26 09:21:05 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-26 09:21:05 +0100 |
| commit | c656d9ca48d3ef1a11449e892ce488ee0bb5a335 (patch) | |
| tree | 0c5598659b3e7f12864d203967d42ac3feb1142c /arch/x86/oprofile/op_model_ppro.c | |
| parent | 71ab6b245fda6e7597a667a67cce0d26c3c7a14b (diff) | |
| parent | a73ad3331fdbf4191cf99b83ea9ac7082b6757ba (diff) | |
Merge branch 'x86/fpu' into x86/cleanups
Diffstat (limited to 'arch/x86/oprofile/op_model_ppro.c')
| -rw-r--r-- | arch/x86/oprofile/op_model_ppro.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c index 716d26f0e5d..e9f80c744cf 100644 --- a/arch/x86/oprofile/op_model_ppro.c +++ b/arch/x86/oprofile/op_model_ppro.c @@ -156,6 +156,8 @@ static void ppro_start(struct op_msrs const * const msrs) unsigned int low, high; int i; + if (!reset_value) + return; for (i = 0; i < num_counters; ++i) { if (reset_value[i]) { CTRL_READ(low, high, msrs, i); @@ -171,6 +173,8 @@ static void ppro_stop(struct op_msrs const * const msrs) unsigned int low, high; int i; + if (!reset_value) + return; for (i = 0; i < num_counters; ++i) { if (!reset_value[i]) continue; |