summaryrefslogtreecommitdiffstats
path: root/arch/x86/kvm/pmu.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
commit01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch)
treeb406c5242a088c4f59c6e4b719b783f43aca6ae9 /arch/x86/kvm/pmu.h
parentAdding upstream version 6.7.12. (diff)
downloadlinux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz
linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/kvm/pmu.h')
-rw-r--r--arch/x86/kvm/pmu.h29
1 files changed, 3 insertions, 26 deletions
diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h
index a46aa9b251..7caeb3d8d4 100644
--- a/arch/x86/kvm/pmu.h
+++ b/arch/x86/kvm/pmu.h
@@ -66,7 +66,8 @@ static inline u64 pmc_read_counter(struct kvm_pmc *pmc)
{
u64 counter, enabled, running;
- counter = pmc->counter;
+ counter = pmc->counter + pmc->emulated_counter;
+
if (pmc->perf_event && !pmc->is_paused)
counter += perf_event_read_value(pmc->perf_event,
&enabled, &running);
@@ -74,11 +75,7 @@ static inline u64 pmc_read_counter(struct kvm_pmc *pmc)
return counter & pmc_bitmask(pmc);
}
-static inline void pmc_write_counter(struct kvm_pmc *pmc, u64 val)
-{
- pmc->counter += val - pmc_read_counter(pmc);
- pmc->counter &= pmc_bitmask(pmc);
-}
+void pmc_write_counter(struct kvm_pmc *pmc, u64 val);
static inline bool pmc_is_gp(struct kvm_pmc *pmc)
{
@@ -128,25 +125,6 @@ static inline struct kvm_pmc *get_fixed_pmc(struct kvm_pmu *pmu, u32 msr)
return NULL;
}
-static inline u64 get_sample_period(struct kvm_pmc *pmc, u64 counter_value)
-{
- u64 sample_period = (-counter_value) & pmc_bitmask(pmc);
-
- if (!sample_period)
- sample_period = pmc_bitmask(pmc) + 1;
- return sample_period;
-}
-
-static inline void pmc_update_sample_period(struct kvm_pmc *pmc)
-{
- if (!pmc->perf_event || pmc->is_paused ||
- !is_sampling_event(pmc->perf_event))
- return;
-
- perf_event_period(pmc->perf_event,
- get_sample_period(pmc, pmc->counter));
-}
-
static inline bool pmc_speculative_in_use(struct kvm_pmc *pmc)
{
struct kvm_pmu *pmu = pmc_to_pmu(pmc);
@@ -243,7 +221,6 @@ bool kvm_pmu_is_valid_msr(struct kvm_vcpu *vcpu, u32 msr);
int kvm_pmu_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info);
int kvm_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info);
void kvm_pmu_refresh(struct kvm_vcpu *vcpu);
-void kvm_pmu_reset(struct kvm_vcpu *vcpu);
void kvm_pmu_init(struct kvm_vcpu *vcpu);
void kvm_pmu_cleanup(struct kvm_vcpu *vcpu);
void kvm_pmu_destroy(struct kvm_vcpu *vcpu);