kvm: qemu: clear HALT mask for AP when using kernel irqchip
    
    AP HALT mask is used for userspace irqchip, when kernel irqchip is used,
    this flag will cause AP to block forever.
    
    Signed-off-by: Avi Kivity <avi@qumranet.com>
    Signed-off-by: Qing He <qing.he@intel.com>


---
 qemu/qemu-kvm.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/qemu/qemu-kvm.c b/qemu/qemu-kvm.c
index b64c5ef..395a9e6 100644
--- a/qemu/qemu-kvm.c
+++ b/qemu/qemu-kvm.c
@@ -770,6 +770,8 @@ static void *ap_main_loop(void *_env)
     sigprocmask(SIG_BLOCK, &signals, NULL);
     kvm_create_vcpu(kvm_context, env->cpu_index);
     kvm_qemu_init_env(env);
+    if (kvm_irqchip_in_kernel(kvm_context))
+	env->hflags &= ~HF_HALTED_MASK;
     kvm_main_loop_cpu(env);
     return NULL;
 }