On 11/21/2012 07:51 AM, Marcelo Tosatti wrote:
> On Wed, Nov 21, 2012 at 07:23:26AM +0800, Xiao Guangrong wrote:
>> On 11/21/2012 06:18 AM, Marcelo Tosatti wrote:
>>
>> -child = page_header(pte & PT64_BASE_ADDR_MASK);
>> -drop_parent_pte(child
On Wed, Nov 21, 2012 at 07:23:26AM +0800, Xiao Guangrong wrote:
> On 11/21/2012 06:18 AM, Marcelo Tosatti wrote:
>
> -child = page_header(pte & PT64_BASE_ADDR_MASK);
> -drop_parent_pte(child, sptep);
> -kvm_flus
On 11/21/2012 06:18 AM, Marcelo Tosatti wrote:
- child = page_header(pte & PT64_BASE_ADDR_MASK);
- drop_parent_pte(child, sptep);
- kvm_flush_remote_tlbs(vcpu->kvm);
>>>
>>> How come its safe to drop this case?
>>
>> We use "if (pfn
On Tue, Nov 13, 2012 at 04:39:44PM +0800, Xiao Guangrong wrote:
> On 11/13/2012 07:12 AM, Marcelo Tosatti wrote:
> > On Mon, Nov 05, 2012 at 08:10:08PM +0800, Xiao Guangrong wrote:
> >> In order to detecting spte remapping, we can simply check whether the
> >> spte has already been pointing to the
On 11/13/2012 07:12 AM, Marcelo Tosatti wrote:
> On Mon, Nov 05, 2012 at 08:10:08PM +0800, Xiao Guangrong wrote:
>> In order to detecting spte remapping, we can simply check whether the
>> spte has already been pointing to the pfn even if the spte is not the
>> last spte for middle spte is pointing
On Mon, Nov 05, 2012 at 08:10:08PM +0800, Xiao Guangrong wrote:
> In order to detecting spte remapping, we can simply check whether the
> spte has already been pointing to the pfn even if the spte is not the
> last spte for middle spte is pointing to the kernel pfn which can not
> be mapped to user
In order to detecting spte remapping, we can simply check whether the
spte has already been pointing to the pfn even if the spte is not the
last spte for middle spte is pointing to the kernel pfn which can not
be mapped to userspace
Also, update slot and stat.lpages iff the spte is not remapped
S
