On Mon, Dec 11, 2023 at 06:49:37PM +, Catalin Marinas wrote:
> On Fri, Nov 24, 2023 at 04:34:59PM +, Joey Gouly wrote:
> > @@ -211,11 +212,24 @@ init_new_context(struct task_struct *tsk, struct
> > mm_struct *mm)
> > {
> > atomic64_set(&mm->context.id, 0);
> > refcount_set(&mm->co
On Fri, Nov 24, 2023 at 04:34:59PM +, Joey Gouly wrote:
> @@ -211,11 +212,24 @@ init_new_context(struct task_struct *tsk, struct
> mm_struct *mm)
> {
> atomic64_set(&mm->context.id, 0);
> refcount_set(&mm->context.pinned, 0);
> +
> + // pkey 0 is the default, so always reserve
Implement the PKEYS interface, using the Permission Overlay Extension.
Signed-off-by: Joey Gouly
Cc: Catalin Marinas
Cc: Will Deacon
---
arch/arm64/include/asm/mmu.h | 2 +
arch/arm64/include/asm/mmu_context.h | 32 -
arch/arm64/include/asm/pgtable.h | 23 +-
a
