[Qemu-devel] Re: [PATCH] Add support for async page fault to qemu

2010-10-18 Thread Gleb Natapov
On Mon, Oct 18, 2010 at 05:48:16PM +0200, Juan Quintela wrote: > Gleb Natapov wrote: > > Add save/restore of MSR for migration and cpuid bit. > > It is there a way to test if async page faults are in use? > if so, we can add a subsection instead of changing the cpuversion. > Yeah. Good idea. For

[Qemu-devel] Re: [PATCH] Add support for async page fault to qemu

2010-10-18 Thread Avi Kivity
On 10/18/2010 05:48 PM, Juan Quintela wrote: Gleb Natapov wrote: > Add save/restore of MSR for migration and cpuid bit. It is there a way to test if async page faults are in use? Yes, msr != 0 -> need a subsection. Good idea. if so, we can add a subsection instead of changing the cpuvers

[Qemu-devel] Re: [PATCH] Add support for async page fault to qemu

2010-10-18 Thread Juan Quintela
Gleb Natapov wrote: > Add save/restore of MSR for migration and cpuid bit. It is there a way to test if async page faults are in use? if so, we can add a subsection instead of changing the cpuversion. I think that at some point we are going to need a bitmap that indicates what MSR's have been us