On Mon, Mar 25, 2019 at 3:08 PM Kevin Brodsky wrote:
>
> On 22/03/2019 16:07, Catalin Marinas wrote:
> > On Wed, Mar 20, 2019 at 03:51:31PM +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
On 22/03/2019 16:07, Catalin Marinas wrote:
On Wed, Mar 20, 2019 at 03:51:31PM +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.
On Wed, Mar 20, 2019 at 03:51:31PM +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.
>
> videobuf_dma_contig_user_get() uses
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.
videobuf_dma_contig_user_get() uses provided user pointers for vma
lookups, which can only by done with untagged