Move the in-kernel-irqchip test to only guard the creation,
not the init'ing of the PMU. Also add the PMU to the KVM
device irq line synchronization to enable its use.
Signed-off-by: Andrew Jones <drjo...@redhat.com>
---
hw/arm/virt.c | 2 +-
target/arm/kvm.c | 6 +++++-
target/arm/kvm64.c | 3 +--
3 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 0cb8b479232d..53592fd0f30c 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -495,7 +495,7 @@ static void fdt_add_pmu_nodes(const VirtMachineState *vms)
if (!arm_feature(&armcpu->env, ARM_FEATURE_PMU)) {
return;
}
- if (kvm_enabled() &&
+ if (kvm_irqchip_in_kernel() &&
!kvm_arm_pmu_create(cpu, PPI(VIRTUAL_PMU_IRQ))) {
return;
}
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index 7c17f0d629d7..211a7bf7befd 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -567,7 +567,11 @@ MemTxAttrs kvm_arch_post_run(CPUState *cs, struct kvm_run
*run)
switched_level &= ~KVM_ARM_DEV_EL1_PTIMER;
}
- /* XXX PMU IRQ is missing */
+ if (switched_level & KVM_ARM_DEV_PMU) {
+ qemu_set_irq(cpu->pmu_interrupt,
+ !!(run->s.regs.device_irq_level & KVM_ARM_DEV_PMU));
+ switched_level &= ~KVM_ARM_DEV_PMU;
+ }
if (switched_level) {
qemu_log_mask(LOG_UNIMP, "%s: unhandled in-kernel device IRQ %x\n",
diff --git a/target/arm/kvm64.c b/target/arm/kvm64.c
index d94e0a04f015..54e58e407812 100644
--- a/target/arm/kvm64.c
+++ b/target/arm/kvm64.c
@@ -506,8 +506,7 @@ 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)) {
+ if (!kvm_check_extension(cs->kvm_state, KVM_CAP_ARM_PMU_V3)) {
cpu->has_pmu = false;
}
if (cpu->has_pmu) {
--
1.8.3.1
