On Mon, Jun 17, 2019 at 10:18 AM Catalin Marinas
wrote:
>
> On Mon, Jun 17, 2019 at 09:57:36AM -0700, Evgenii Stepanov wrote:
> > On Mon, Jun 17, 2019 at 6:56 AM Catalin Marinas
> > wrote:
> > > On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote:
&g
On Mon, Jun 17, 2019 at 6:56 AM Catalin Marinas wrote:
>
> On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote:
> > From: Catalin Marinas
> >
> > It is not desirable to relax the ABI to allow tagged user addresses into
> > the kernel indiscriminately. This patch introduces a prctl()
On Thu, May 23, 2019 at 2:04 AM Catalin Marinas wrote:
>
> On Wed, May 22, 2019 at 02:16:57PM -0700, Evgenii Stepanov wrote:
> > On Wed, May 22, 2019 at 4:49 AM Catalin Marinas
> > wrote:
> > > On Mon, May 06, 2019 at 06:30:51PM +0200, Andrey Konovalov wrote:
&
On Wed, May 22, 2019 at 1:47 PM Kees Cook wrote:
>
> On Wed, May 22, 2019 at 05:35:27PM +0100, Catalin Marinas wrote:
> > The two hard requirements I have for supporting any new hardware feature
> > in Linux are (1) a single kernel image binary continues to run on old
> > hardware while making
On Wed, May 22, 2019 at 4:49 AM Catalin Marinas wrote:
>
> On Mon, May 06, 2019 at 06:30:51PM +0200, 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 Fri, May 17, 2019 at 7:49 AM Catalin Marinas wrote:
>
> Hi Andrey,
>
> On Mon, May 06, 2019 at 06:30:46PM +0200, Andrey Konovalov wrote:
> > One of the alternative approaches to untagging that was considered is to
> > completely strip the pointer tag as the pointer enters the kernel with
> >