On Wed, Sep 23, 2009 at 09:47:17PM +0300, Izik Eidus wrote:
> this flag notify that the host physical page we are pointing to from
> the spte is write protected, and therefore we cant change its access
> to be write unless we run get_user_pages(write = 1).
>
> (this is needed for change_pte suppor
this flag notify that the host physical page we are pointing to from
the spte is write protected, and therefore we cant change its access
to be write unless we run get_user_pages(write = 1).
(this is needed for change_pte support in kvm)
Signed-off-by: Izik Eidus
---
arch/x86/kvm/mmu.c
this flag notify that the host physical page we are pointing to from
the spte is write protected, and therefore we cant change its access
to be write unless we run get_user_pages(write = 1).
(this is needed for change_pte support in kvm)
Signed-off-by: Izik Eidus
---
arch/x86/kvm/mmu.c
On Mon, Sep 14, 2009 at 07:51:16PM +0300, Izik Eidus wrote:
> Marcelo Tosatti wrote:
>> Why can't you use the writable bit in the spte? So that you can only
>> sync a writeable spte if it was writeable before, in sync_page?
>>
>
> I could, but there we will add overhead for read only gptes tha
Marcelo Tosatti wrote:
Why can't you use the writable bit in the spte? So that you can only
sync a writeable spte if it was writeable before, in sync_page?
I could, but there we will add overhead for read only gptes that become
writable in the guest...
If you prefer to fault on the syncing
On Thu, Sep 10, 2009 at 07:38:57PM +0300, Izik Eidus wrote:
> this flag notify that the host physical page we are pointing to from
> the spte is write protected, and therefore we cant change its access
> to be write unless we run get_user_pages(write = 1).
>
> (this is needed for change_pte suppor
On 09/10/2009 07:38 PM, Izik Eidus wrote:
this flag notify that the host physical page we are pointing to from
the spte is write protected, and therefore we cant change its access
to be write unless we run get_user_pages(write = 1).
(this is needed for change_pte support in kvm)
diff --git a/
Marcelo Tosatti wrote:
On Thu, Sep 10, 2009 at 07:38:57PM +0300, Izik Eidus wrote:
this flag notify that the host physical page we are pointing to from
the spte is write protected, and therefore we cant change its access
to be write unless we run get_user_pages(write = 1).
(this is needed fo
On Thu, Sep 10, 2009 at 07:38:57PM +0300, Izik Eidus wrote:
> this flag notify that the host physical page we are pointing to from
> the spte is write protected, and therefore we cant change its access
> to be write unless we run get_user_pages(write = 1).
>
> (this is needed for change_pte suppor
this flag notify that the host physical page we are pointing to from
the spte is write protected, and therefore we cant change its access
to be write unless we run get_user_pages(write = 1).
(this is needed for change_pte support in kvm)
Signed-off-by: Izik Eidus
---
arch/x86/kvm/mmu.c
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