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| author | Ben Dooks <ben-linux@fluff.org> | 2009-03-06 17:13:52 +0000 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2009-03-06 17:13:52 +0000 |
| commit | 1264fa6f8c5bf561a86128b2d48ace53e3f1e66f (patch) | |
| tree | 69872715982d49ddea5819040c7032062376183b /arch/x86/oprofile/op_model_ppro.c | |
| parent | efeff568677aa325f84d3ce37c219019887a79eb (diff) | |
| parent | 559595a985e106d2fa9f0c79b7f5805453fed593 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into s3c-fixes
Diffstat (limited to 'arch/x86/oprofile/op_model_ppro.c')
| -rw-r--r-- | arch/x86/oprofile/op_model_ppro.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c index e9f80c744cf..10131fbdaad 100644 --- a/arch/x86/oprofile/op_model_ppro.c +++ b/arch/x86/oprofile/op_model_ppro.c @@ -78,8 +78,18 @@ static void ppro_setup_ctrs(struct op_msrs const * const msrs) if (cpu_has_arch_perfmon) { union cpuid10_eax eax; eax.full = cpuid_eax(0xa); - if (counter_width < eax.split.bit_width) - counter_width = eax.split.bit_width; + + /* + * For Core2 (family 6, model 15), don't reset the + * counter width: + */ + if (!(eax.split.version_id == 0 && + current_cpu_data.x86 == 6 && + current_cpu_data.x86_model == 15)) { + + if (counter_width < eax.split.bit_width) + counter_width = eax.split.bit_width; + } } /* clear all counters */ |