On 04/11/2024 17:41, Jason Gunthorpe wrote:
> A minority of page table implementations (arm_lpae, armv7) are unique in
> how they handle partial unmap of large IOPTEs.
>
> Other implementations will unmap the large IOPTE and return it's
> length. For example if a 2M IOPTE is present and the first
On Mon, Nov 04, 2024 at 01:41:29PM -0400, Jason Gunthorpe wrote:
> A minority of page table implementations (arm_lpae, armv7) are unique in
> how they handle partial unmap of large IOPTEs.
>
> Other implementations will unmap the large IOPTE and return it's
> length. For example if a 2M IOPTE is p
A minority of page table implementations (arm_lpae, armv7) are unique in
how they handle partial unmap of large IOPTEs.
Other implementations will unmap the large IOPTE and return it's
length. For example if a 2M IOPTE is present and the first 4K is requested
to be unmapped then unmap will remove
