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Diffstat (limited to 'arch/powerpc/kvm/powerpc.c')
-rw-r--r--arch/powerpc/kvm/powerpc.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 026036efcde..3a4f379ee70 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -38,8 +38,12 @@
int kvm_arch_vcpu_runnable(struct kvm_vcpu *v)
{
+#ifndef CONFIG_KVM_BOOK3S_64_HV
return !(v->arch.shared->msr & MSR_WE) ||
!!(v->arch.pending_exceptions);
+#else
+ return 1;
+#endif
}
int kvmppc_kvm_pv(struct kvm_vcpu *vcpu)
@@ -184,10 +188,13 @@ int kvm_dev_ioctl_check_extension(long ext)
#else
case KVM_CAP_PPC_SEGSTATE:
#endif
- case KVM_CAP_PPC_PAIRED_SINGLES:
case KVM_CAP_PPC_UNSET_IRQ:
case KVM_CAP_PPC_IRQ_LEVEL:
case KVM_CAP_ENABLE_CAP:
+ r = 1;
+ break;
+#ifndef CONFIG_KVM_BOOK3S_64_HV
+ case KVM_CAP_PPC_PAIRED_SINGLES:
case KVM_CAP_PPC_OSI:
case KVM_CAP_PPC_GET_PVINFO:
r = 1;
@@ -195,6 +202,7 @@ int kvm_dev_ioctl_check_extension(long ext)
case KVM_CAP_COALESCED_MMIO:
r = KVM_COALESCED_MMIO_PAGE_OFFSET;
break;
+#endif
default:
r = 0;
break;
@@ -291,6 +299,7 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
hrtimer_init(&vcpu->arch.dec_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS);
tasklet_init(&vcpu->arch.tasklet, kvmppc_decrementer_func, (ulong)vcpu);
vcpu->arch.dec_timer.function = kvmppc_decrementer_wakeup;
+ vcpu->arch.dec_expires = ~(u64)0;
#ifdef CONFIG_KVM_EXIT_TIMING
mutex_init(&vcpu->arch.exit_timing_lock);
@@ -317,6 +326,7 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
mtspr(SPRN_VRSAVE, vcpu->arch.vrsave);
#endif
kvmppc_core_vcpu_load(vcpu, cpu);
+ vcpu->cpu = smp_processor_id();
}
void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
@@ -325,6 +335,7 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
#ifdef CONFIG_BOOKE
vcpu->arch.vrsave = mfspr(SPRN_VRSAVE);
#endif
+ vcpu->cpu = -1;
}
int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
@@ -496,6 +507,13 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
for (i = 0; i < 32; i++)
kvmppc_set_gpr(vcpu, i, gprs[i]);
vcpu->arch.osi_needed = 0;
+ } else if (vcpu->arch.hcall_needed) {
+ int i;
+
+ kvmppc_set_gpr(vcpu, 3, run->papr_hcall.ret);
+ for (i = 0; i < 9; ++i)
+ kvmppc_set_gpr(vcpu, 4 + i, run->papr_hcall.args[i]);
+ vcpu->arch.hcall_needed = 0;
}
kvmppc_core_deliver_interrupts(vcpu);
@@ -518,6 +536,8 @@ int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq)
if (waitqueue_active(&vcpu->wq)) {
wake_up_interruptible(&vcpu->wq);
vcpu->stat.halt_wakeup++;
+ } else if (vcpu->cpu != -1) {
+ smp_send_reschedule(vcpu->cpu);
}
return 0;