Re: [PATCH v5 1/1] [ARM] Add support for TLS register based stack protector canary access

2022-01-20 Thread Ard Biesheuvel via Gcc-patches
On Wed, 19 Jan 2022 at 18:02, Ard Biesheuvel wrote: > > On Wed, 19 Jan 2022 at 17:54, Kyrylo Tkachov wrote: > > > > Hi Ard, > > > > > -Original Message- > > > From: Gcc-patches > > bounces+kyrylo.tkachov=arm@gcc.gnu.org> On Behalf Of Ard > > > Biesheuvel via Gcc-patches > > > Sent: M

Re: [PATCH v5 1/1] [ARM] Add support for TLS register based stack protector canary access

2022-01-19 Thread Ard Biesheuvel via Gcc-patches
On Wed, 19 Jan 2022 at 17:54, Kyrylo Tkachov wrote: > > Hi Ard, > > > -Original Message- > > From: Gcc-patches > bounces+kyrylo.tkachov=arm@gcc.gnu.org> On Behalf Of Ard > > Biesheuvel via Gcc-patches > > Sent: Monday, November 15, 2021 6:04 PM > > To: linux-harden...@vger.kernel.org

RE: [PATCH v5 1/1] [ARM] Add support for TLS register based stack protector canary access

2022-01-19 Thread Kyrylo Tkachov via Gcc-patches
Hi Ard, > -Original Message- > From: Gcc-patches bounces+kyrylo.tkachov=arm@gcc.gnu.org> On Behalf Of Ard > Biesheuvel via Gcc-patches > Sent: Monday, November 15, 2021 6:04 PM > To: linux-harden...@vger.kernel.org > Cc: Richard Sandiford ; > thomas.preudho...@celest.fr; Keith Packard

Re: [PATCH v5 1/1] [ARM] Add support for TLS register based stack protector canary access

2022-01-14 Thread Ard Biesheuvel via Gcc-patches
(+ Richard Earnshaw) On Wed, 12 Jan 2022 at 19:29, Ard Biesheuvel wrote: > > On Wed, 17 Nov 2021 at 18:12, Ard Biesheuvel wrote: > > > > (+ Ramana) > > > > Ping? > > > On Mon, 15 Nov 2021 at 19:04, Ard Biesheuvel wrote: > > > > > > Add support for accessing the stack canary value via the TLS re

Re: [PATCH v5 1/1] [ARM] Add support for TLS register based stack protector canary access

2022-01-12 Thread Ard Biesheuvel via Gcc-patches
On Wed, 17 Nov 2021 at 18:12, Ard Biesheuvel wrote: > > (+ Ramana) > Ping? > On Mon, 15 Nov 2021 at 19:04, Ard Biesheuvel wrote: > > > > Add support for accessing the stack canary value via the TLS register, > > so that multiple threads running in the same address space can use > > distinct can

Re: [PATCH v5 1/1] [ARM] Add support for TLS register based stack protector canary access

2021-11-17 Thread Ard Biesheuvel via Gcc-patches
(+ Ramana) On Mon, 15 Nov 2021 at 19:04, Ard Biesheuvel wrote: > > Add support for accessing the stack canary value via the TLS register, > so that multiple threads running in the same address space can use > distinct canary values. This is intended for the Linux kernel running in > SMP mode, whe