[Qemu-devel] [PATCH 24/35] kvm: Mark VCPU state dirty on creation

[Marcelo Tosatti]

From: Jan Kiszka <address@hidden>

This avoids that early cpu_synchronize_state calls try to retrieve an
uninitialized state from the kernel. That even causes a deadlock if
io-thread is enabled.

Signed-off-by: Jan Kiszka <address@hidden>
Signed-off-by: Marcelo Tosatti <address@hidden>
---
 kvm-all.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/kvm-all.c b/kvm-all.c
index 226843c..62b0984 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -211,6 +211,7 @@ int kvm_init_vcpu(CPUState *env)
 
     env->kvm_fd = ret;
     env->kvm_state = s;
+    env->kvm_vcpu_dirty = 1;
 
     mmap_size = kvm_ioctl(s, KVM_GET_VCPU_MMAP_SIZE, 0);
     if (mmap_size < 0) {
-- 
1.7.4