On Thu, Dec 06, 2018 at 01:44:24PM +0100, Andrey Konovalov wrote:
> On Thu, Nov 29, 2018 at 7:16 PM Catalin Marinas
> wrote:
> > On Thu, Nov 08, 2018 at 03:48:10PM +0100, Andrey Konovalov wrote:
> > > On Thu, Nov 8, 2018 at 3:36 PM, Andrey Konovalov
> > > wrote:
> > > > Changes in v8:
> > > > -
On Thu, Nov 29, 2018 at 7:16 PM Catalin Marinas wrote:
>
> Hi Andrey,
>
> On Thu, Nov 08, 2018 at 03:48:10PM +0100, Andrey Konovalov wrote:
> > On Thu, Nov 8, 2018 at 3:36 PM, Andrey Konovalov
> > wrote:
> > > Changes in v8:
> > > - Rebased onto 65102238 (4.20-rc1).
> > > - Added a note to the c
Hi Andrey,
On Thu, Nov 08, 2018 at 03:48:10PM +0100, Andrey Konovalov wrote:
> On Thu, Nov 8, 2018 at 3:36 PM, Andrey Konovalov
> wrote:
> > Changes in v8:
> > - Rebased onto 65102238 (4.20-rc1).
> > - Added a note to the cover letter on why syscall wrappers/shims that untag
> > user pointers
On Thu, Nov 8, 2018 at 3:36 PM, Andrey Konovalov wrote:
[...]
> Changes in v8:
> - Rebased onto 65102238 (4.20-rc1).
> - Added a note to the cover letter on why syscall wrappers/shims that untag
> user pointers won't work.
> - Added a note to the cover letter that this patchset has been merged
arm64 has a feature called Top Byte Ignore, which allows to embed pointer
tags into the top byte of each pointer. Userspace programs (such as
HWASan, a memory debugging tool [1]) might use this feature and pass
tagged user pointers to the kernel through syscalls or other interfaces.
Right now the
