On Thu, Jul 01, 2010 at 08:50:58AM +0800, Xiao Guangrong wrote:
>
>
> Marcelo Tosatti wrote:
>
> >> - if (is_shadow_present_pte(*sptep) && !is_large_pte(*sptep))
> >> - continue;
> >> + if (is_shadow_present_pte(*sptep) && !is_large_pte(*sptep)) {
> >> +
Marcelo Tosatti wrote:
>> -if (is_shadow_present_pte(*sptep) && !is_large_pte(*sptep))
>> -continue;
>> +if (is_shadow_present_pte(*sptep) && !is_large_pte(*sptep)) {
>> +struct kvm_mmu_page *child;
>> +unsigned
On Wed, Jun 30, 2010 at 04:03:28PM +0800, Xiao Guangrong wrote:
> If the mapping is writable but the dirty flag is not set, we will find
> the read-only direct sp and setup the mapping, then if the write #PF
> occur, we will mark this mapping writable in the read-only direct sp,
> now, other real r
If the mapping is writable but the dirty flag is not set, we will find
the read-only direct sp and setup the mapping, then if the write #PF
occur, we will mark this mapping writable in the read-only direct sp,
now, other real read-only mapping will happily write it without #PF.
It may hurt guest's
