torvalds/linux
3
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-03-22 07:27:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

KVM: arm64: PMU: Reload when resetting

Browse Source 
Replace kvm_pmu_vcpu_reset() with the generic PMU reloading mechanism to
ensure the consistency with system registers and to reduce code size.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20250315-pmc-v5-5-ecee87dab216@daynix.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
This commit is contained in:
Akihiko Odaki
2025-03-15 18:12:14 +09:00
committed by Oliver Upton
parent 1db4aaa055
commit fe53538069
4 changed files with 3 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
arch/arm64/kvm/pmu-emul.c
View File

@@ -254,20 +254,6 @@ void kvm_pmu_vcpu_init(struct kvm_vcpu *vcpu)
pmu->pmc[i].idx = i;
}
/**
* kvm_pmu_vcpu_reset - reset pmu state for cpu
* @vcpu: The vcpu pointer
*
*/
void kvm_pmu_vcpu_reset(struct kvm_vcpu *vcpu)
{
unsigned long mask = kvm_pmu_implemented_counter_mask(vcpu);
int i;
for_each_set_bit(i, &mask, 32)
kvm_pmu_stop_counter(kvm_vcpu_idx_to_pmc(vcpu, i));
}
/**
* kvm_pmu_vcpu_destroy - free perf event of PMU for cpu
* @vcpu: The vcpu pointer