On Fri, Mar 22, 2019 at 5:22 PM Catalin Marinas wrote:
>
> On Wed, Mar 20, 2019 at 03:51:32PM +0100, Andrey Konovalov wrote:
> > This patch is a part of a series that extends arm64 kernel ABI to allow to
> > pass tagged user pointers (with the top byte set to something else other
> > than 0x00)
On Wed, Mar 20, 2019 at 03:51:32PM +0100, Andrey Konovalov wrote:
> This patch is a part of a series that extends arm64 kernel ABI to allow to
> pass tagged user pointers (with the top byte set to something else other
> than 0x00) as syscall arguments.
>
> check_mem_type() uses provided user
This patch is a part of a series that extends arm64 kernel ABI to allow to
pass tagged user pointers (with the top byte set to something else other
than 0x00) as syscall arguments.
check_mem_type() uses provided user pointers for vma lookups (via
__check_mem_type()), which can only by done with
