[PATCH v3 4/4] KVM: arm64: Reenable pmu in Protected Mode

Fuad Tabba tabba at google.com
Mon May 9 05:03:30 PDT 2022


Now that the pmu code does not access hyp data, reenable it in
protected mode.

Signed-off-by: Fuad Tabba <tabba at google.com>
---
 arch/arm64/kvm/pmu-emul.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm64/kvm/pmu-emul.c b/arch/arm64/kvm/pmu-emul.c
index 3dc990ac4f44..11c43bed5f97 100644
--- a/arch/arm64/kvm/pmu-emul.c
+++ b/arch/arm64/kvm/pmu-emul.c
@@ -774,8 +774,7 @@ void kvm_host_pmu_init(struct arm_pmu *pmu)
 {
 	struct arm_pmu_entry *entry;
 
-	if (pmu->pmuver == 0 || pmu->pmuver == ID_AA64DFR0_PMUVER_IMP_DEF ||
-	    is_protected_kvm_enabled())
+	if (pmu->pmuver == 0 || pmu->pmuver == ID_AA64DFR0_PMUVER_IMP_DEF)
 		return;
 
 	mutex_lock(&arm_pmus_lock);
-- 
2.36.0.512.ge40c2bad7a-goog




More information about the linux-arm-kernel mailing list