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authorIngo Molnar <mingo@kernel.org>2012-04-25 08:59:16 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-25 08:59:16 +0200
commit3dbe927b1eddcbd66da1653168e33122aca84f4e (patch)
tree2357f4c55156597b1d07b9ea360b07086cd011e4 /arch/x86/kvm/pmu.c
parenta385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff)
parent66f75a5d028beaf67c931435fdc3e7823125730c (diff)
Merge tag 'v3.4-rc4' into perf/core
Merge v3.4-rc4 - we were on -rc2 before. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kvm/pmu.c')
-rw-r--r--arch/x86/kvm/pmu.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c
index 173df38dbda..2e88438ffd8 100644
--- a/arch/x86/kvm/pmu.c
+++ b/arch/x86/kvm/pmu.c
@@ -459,17 +459,17 @@ void kvm_pmu_cpuid_update(struct kvm_vcpu *vcpu)
pmu->available_event_types = ~entry->ebx & ((1ull << bitmap_len) - 1);
if (pmu->version == 1) {
- pmu->global_ctrl = (1 << pmu->nr_arch_gp_counters) - 1;
- return;
+ pmu->nr_arch_fixed_counters = 0;
+ } else {
+ pmu->nr_arch_fixed_counters = min((int)(entry->edx & 0x1f),
+ X86_PMC_MAX_FIXED);
+ pmu->counter_bitmask[KVM_PMC_FIXED] =
+ ((u64)1 << ((entry->edx >> 5) & 0xff)) - 1;
}
- pmu->nr_arch_fixed_counters = min((int)(entry->edx & 0x1f),
- X86_PMC_MAX_FIXED);
- pmu->counter_bitmask[KVM_PMC_FIXED] =
- ((u64)1 << ((entry->edx >> 5) & 0xff)) - 1;
- pmu->global_ctrl_mask = ~(((1 << pmu->nr_arch_gp_counters) - 1)
- | (((1ull << pmu->nr_arch_fixed_counters) - 1)
- << X86_PMC_IDX_FIXED));
+ pmu->global_ctrl = ((1 << pmu->nr_arch_gp_counters) - 1) |
+ (((1ull << pmu->nr_arch_fixed_counters) - 1) << X86_PMC_IDX_FIXED);
+ pmu->global_ctrl_mask = ~pmu->global_ctrl;
}
void kvm_pmu_init(struct kvm_vcpu *vcpu)