On 2/10/2021 12:28 PM, Yu, Yu-cheng wrote:
On 2/10/2021 11:42 AM, Kees Cook wrote:
On Wed, Feb 10, 2021 at 09:56:46AM -0800, Yu-cheng Yu wrote:
There is essentially no room left in the x86 hardware PTEs on some OSes
(not Linux). That left the hardware architects looking for a way to
represent
On 2/10/2021 11:42 AM, Kees Cook wrote:
On Wed, Feb 10, 2021 at 09:56:46AM -0800, Yu-cheng Yu wrote:
There is essentially no room left in the x86 hardware PTEs on some OSes
(not Linux). That left the hardware architects looking for a way to
represent a new memory type (shadow stack) within the
On Wed, Feb 10, 2021 at 09:56:46AM -0800, Yu-cheng Yu wrote:
> There is essentially no room left in the x86 hardware PTEs on some OSes
> (not Linux). That left the hardware architects looking for a way to
> represent a new memory type (shadow stack) within the existing bits.
> They chose to repurp
There is essentially no room left in the x86 hardware PTEs on some OSes
(not Linux). That left the hardware architects looking for a way to
represent a new memory type (shadow stack) within the existing bits.
They chose to repurpose a lightly-used state: Write=0, Dirty=1.
The reason it's lightly
4 matches
Mail list logo
