Clear the vapic address immediately after reset. This allows dual-boot guests
to work efficiently, and more importantly, works around the bios using
'rep insb' to read in the option rom and confusing the vapic machinery.
Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
target-i386/kvm.c | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index b7b2430..95e5d02 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -439,8 +439,20 @@ int kvm_arch_init_vcpu(CPUState *env)
return kvm_vcpu_ioctl(env, KVM_SET_CPUID2, &cpuid_data);
}
+static void kvm_clear_vapic(CPUState *env)
+{
+#ifdef KVM_SET_VAPIC_ADDR
+ struct kvm_vapic_addr va = {
+ .vapic_addr = 0,
+ };
+
+ kvm_vcpu_ioctl(env, KVM_SET_VAPIC_ADDR, &va);
+#endif
+}
+
void kvm_arch_reset_vcpu(CPUState *env)
{
+ kvm_clear_vapic(env);
env->exception_injected = -1;
env->interrupt_injected = -1;
env->nmi_injected = 0;
--
1.7.3.1
--
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