Zero cpu_single_env before leaving global lock protection, and
restore on return.
Signed-off-by: Marcelo Tosatti <mtosa...@redhat.com>
Index: qemu/kvm-all.c
===================================================================
--- qemu.orig/kvm-all.c
+++ qemu/kvm-all.c
@@ -846,9 +846,11 @@ int kvm_cpu_exec(CPUState *env)
}
kvm_arch_pre_run(env, run);
+ cpu_single_env = NULL;
qemu_mutex_unlock_iothread();
ret = kvm_vcpu_ioctl(env, KVM_RUN, 0);
qemu_mutex_lock_iothread();
+ cpu_single_env = env;
kvm_arch_post_run(env, run);
if (ret == -EINTR || ret == -EAGAIN) {
--
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