On 06/04/2010 11:14 AM, Lai Jiangshan wrote:
- I thought of a different approach to write protection: write protect
the L4 sptes, on write fault add write permission to the L4 spte and
write protect the L3 sptes that it points to, etc. This method can use
the slot bitmap to reduce the number
Avi Kivity wrote:
On 06/02/2010 11:53 AM, Lai Jiangshan wrote:
Current code uses slot_bitmap to find ptes who map a page
from the memory slot, it is not precise: some ptes in the shadow page
are not map any page from the memory slot.
This patch uses rmap to find the ptes precisely, and
On Fri, Jun 04, 2010 at 04:14:08PM +0800, Lai Jiangshan wrote:
Avi Kivity wrote:
On 06/02/2010 11:53 AM, Lai Jiangshan wrote:
Current code uses slot_bitmap to find ptes who map a page
from the memory slot, it is not precise: some ptes in the shadow page
are not map any page from the
Current code uses slot_bitmap to find ptes who map a page
from the memory slot, it is not precise: some ptes in the shadow page
are not map any page from the memory slot.
This patch uses rmap to find the ptes precisely, and remove
the unused slot_bitmap.
Signed-off-by: Lai Jiangshan
On 06/02/2010 11:53 AM, Lai Jiangshan wrote:
Current code uses slot_bitmap to find ptes who map a page
from the memory slot, it is not precise: some ptes in the shadow page
are not map any page from the memory slot.
This patch uses rmap to find the ptes precisely, and remove
the unused
