[Qemu-devel] Re: [patch 11/11] qemu: basic kvm iothread support

[Anthony Liguori <aliguori@us.ibm.com>]

mtosatti@redhat.com wrote:
> Allow the iothread to run while vcpu is in guest mode.
>
> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
>
> Index: trunk/kvm-all.c
> ===================================================================
> --- trunk.orig/kvm-all.c
> +++ trunk/kvm-all.c
> @@ -451,6 +451,7 @@ int kvm_cpu_exec(CPUState *env)
>
>      do {
>          kvm_arch_pre_run(env, run);
> +        kvm_pre_run(env);
>   

Avoid introduce kvm_pre_run() et al.  Eventually, we want to avoid 
grabbing the mutex as long as humanly possible so we can support 
lockless MMIO/PIO.  So let's avoid adding abstractions that will just 
make this harder.


-- 
Regards,

Anthony Liguori