Re: [PATCH v2 00/21] qemu-kvm: Hook cleanups and extended use of upstream code

[Jan Kiszka]

Gleb Natapov wrote:
> On Wed, Feb 03, 2010 at 09:53:25AM +0100, Jan Kiszka wrote:
>> This version addresses the feedback on v2, namely:
>> - assert(<vm stopped> || <current thread == env->thread>) on low-level
>>   load/save registers
>> - fixed mpstate initialization
>>
> With those patched, doing "info cpus" in monitor kill the guest, which,
> unfortunately, means that reworked VCPU state writeback is still not so
> easy to use correctly.
> 

Regression of patch 12 ("qemu-kvm: Use upstream kvm_vcpu_dirty"), will
be fixed in v3.

Thanks,
Jan

---

diff --git a/qemu-kvm.c b/qemu-kvm.c
index 6a72b89..72c2ca0 100644
--- a/qemu-kvm.c
+++ b/qemu-kvm.c
@@ -1532,13 +1532,13 @@ static void do_kvm_cpu_synchronize_state(void *_env)
     CPUState *env = _env;
 
     kvm_arch_save_regs(env);
+    env->kvm_vcpu_dirty = 1;
 }
 
 void kvm_cpu_synchronize_state(CPUState *env)
 {
     if (!env->kvm_vcpu_dirty) {
         on_vcpu(env, do_kvm_cpu_synchronize_state, env);
-        env->kvm_vcpu_dirty = 1;
     }
 }
 

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