On 12/11/2018 05:25 AM, Russell Currey wrote:
On Wed, 2018-11-28 at 09:27 +, Christophe Leroy wrote:
This patch implements Kernel Userspace Access Protection for
book3s/32.
Due to limitations of the processor page protection capabilities,
the protection is only against writing. read prot
On Wed, 2018-11-28 at 09:27 +, Christophe Leroy wrote:
> This patch implements Kernel Userspace Access Protection for
> book3s/32.
>
> Due to limitations of the processor page protection capabilities,
> the protection is only against writing. read protection cannot be
> achieved using page pro
This patch implements Kernel Userspace Access Protection for
book3s/32.
Due to limitations of the processor page protection capabilities,
the protection is only against writing. read protection cannot be
achieved using page protection.
In order to provide the protection, Ku and Ks keys are modifi