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| author | Ingo Molnar <mingo@elte.hu> | 2009-03-04 11:42:31 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-04 11:42:31 +0100 |
| commit | 8163d88c79dca35478a2405c837733ac50ea4c39 (patch) | |
| tree | 6acae066a09b7dcbedab4a35ad62eba4ba3fd83c /arch/x86/oprofile/op_model_ppro.c | |
| parent | a1ef58f442542d8b3e3b963339fbc522c36e827c (diff) | |
| parent | fec6c6fec3e20637bee5d276fb61dd8b49a3f9cc (diff) | |
Merge commit 'v2.6.29-rc7' into perfcounters/core
Conflicts:
arch/x86/mm/iomap_32.c
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 85eb6268374..4da7230b3d1 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 */ |