aboutsummaryrefslogtreecommitdiff
path: root/target-arm/kvm64.c
diff options
context:
space:
mode:
authorShannon Zhao <shannon.zhao@linaro.org>2016-06-14 15:59:12 +0100
committerPeter Maydell <peter.maydell@linaro.org>2016-06-14 15:59:12 +0100
commit5c0a3819f009639f67ce0453dff6ec7211bfee54 (patch)
treee762b83c5ac80af09b732c2b0d68a8cc44bb2de2 /target-arm/kvm64.c
parent7474f1be701f136b224af5e1abe55e97dc3f29a5 (diff)
target-arm: kvm64: set guest PMUv3 feature bit if supported
Check if kvm supports guest PMUv3. If so, set the corresponding feature bit for vcpu. Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org> Reviewed-by: Andrew Jones <drjones@redhat.com> Message-id: 1465267577-1808-2-git-send-email-zhaoshenglong@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-arm/kvm64.c')
-rw-r--r--target-arm/kvm64.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/target-arm/kvm64.c b/target-arm/kvm64.c
index e2a34f67a4..75383c84dd 100644
--- a/target-arm/kvm64.c
+++ b/target-arm/kvm64.c
@@ -461,6 +461,11 @@ int kvm_arch_init_vcpu(CPUState *cs)
if (!arm_feature(&cpu->env, ARM_FEATURE_AARCH64)) {
cpu->kvm_init_features[0] |= 1 << KVM_ARM_VCPU_EL1_32BIT;
}
+ if (kvm_irqchip_in_kernel() &&
+ kvm_check_extension(cs->kvm_state, KVM_CAP_ARM_PMU_V3)) {
+ cpu->has_pmu = true;
+ cpu->kvm_init_features[0] |= 1 << KVM_ARM_VCPU_PMU_V3;
+ }
/* Do KVM_ARM_VCPU_INIT ioctl */
ret = kvm_arm_vcpu_init(cs);