From mboxrd@z Thu Jan 1 00:00:00 1970 From: Will Deacon Subject: Re: [PATCH v5 00/30] ARM Scalable Vector Extension (SVE) Date: Wed, 29 Nov 2017 15:21:40 +0000 Message-ID: <20171129152140.GD10650@arm.com> References: <1509465082-30427-1-git-send-email-Dave.Martin@arm.com> <877eu9dt3n.fsf@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: <877eu9dt3n.fsf-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Alex =?iso-8859-1?Q?Benn=E9e?= Cc: Dave Martin , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Catalin Marinas , Ard Biesheuvel , Szabolcs Nagy , Okamoto Takayuki , kvmarm-FPEHb7Xf0XXUo1n7N8X6UoWGPAHP3yOg@public.gmane.org, libc-alpha-9JcytcrH/bA+uJoB2kUjGw@public.gmane.org, linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Alan Hayward , Alexander Viro , Christoffer Dall , Mark Rutland , Oleg Nesterov , Dmitry Safonov , "H . J . Lu" , "H. Peter Anvin" , Ingo Molnar , Thomas Gleixner , Michael Kerrisk , linux-api@vg List-Id: linux-api@vger.kernel.org On Wed, Nov 29, 2017 at 03:04:12PM +0000, Alex Bennée wrote: > > Dave Martin writes: > > > This series implements Linux kernel support for the ARM Scalable Vector > > Extension (SVE). [1] It supersedes the previous v3: see [3] for link > > and full cover letter. > > > > This is a minor update to v4, but does contain a couple of important > > fixes. > > > I seem to have run into a regression with normal non-SVE sigcontexts > while trying to run consecutive RISU runs in the Foundation Model. I'm > failing to get repeatable results playing back a previous --master run. > It works OK with the default Debian kernel. > > What is the current status of the tree? I'd like to try an narrow it > down but I seem to recall it was now in a next tree somewhere? This is in mainline now, so please give a 4.15-rc1 build a spin. If there's a user-visible regression then we need to get to the bottom of it ASAP. Will From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from foss.arm.com ([217.140.101.70]:40242 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932079AbdK2PVi (ORCPT ); Wed, 29 Nov 2017 10:21:38 -0500 Date: Wed, 29 Nov 2017 15:21:40 +0000 From: Will Deacon Subject: Re: [PATCH v5 00/30] ARM Scalable Vector Extension (SVE) Message-ID: <20171129152140.GD10650@arm.com> References: <1509465082-30427-1-git-send-email-Dave.Martin@arm.com> <877eu9dt3n.fsf@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <877eu9dt3n.fsf@linaro.org> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Alex =?iso-8859-1?Q?Benn=E9e?= Cc: Dave Martin , linux-arm-kernel@lists.infradead.org, Catalin Marinas , Ard Biesheuvel , Szabolcs Nagy , Okamoto Takayuki , kvmarm@lists.cs.columbia.edu, libc-alpha@sourceware.org, linux-arch@vger.kernel.org, Alan Hayward , Alexander Viro , Christoffer Dall , Mark Rutland , Oleg Nesterov , Dmitry Safonov , "H . J . Lu" , "H. Peter Anvin" , Ingo Molnar , Thomas Gleixner , Michael Kerrisk , linux-api@vger.kernel.org Message-ID: <20171129152140.NMvJeAtpCIHZ1auwm5p-tLOhNAS_iC2i8xo2R5OoTxM@z> On Wed, Nov 29, 2017 at 03:04:12PM +0000, Alex Bennée wrote: > > Dave Martin writes: > > > This series implements Linux kernel support for the ARM Scalable Vector > > Extension (SVE). [1] It supersedes the previous v3: see [3] for link > > and full cover letter. > > > > This is a minor update to v4, but does contain a couple of important > > fixes. > > > I seem to have run into a regression with normal non-SVE sigcontexts > while trying to run consecutive RISU runs in the Foundation Model. I'm > failing to get repeatable results playing back a previous --master run. > It works OK with the default Debian kernel. > > What is the current status of the tree? I'd like to try an narrow it > down but I seem to recall it was now in a next tree somewhere? This is in mainline now, so please give a 4.15-rc1 build a spin. If there's a user-visible regression then we need to get to the bottom of it ASAP. Will From mboxrd@z Thu Jan 1 00:00:00 1970 From: will.deacon@arm.com (Will Deacon) Date: Wed, 29 Nov 2017 15:21:40 +0000 Subject: [PATCH v5 00/30] ARM Scalable Vector Extension (SVE) In-Reply-To: <877eu9dt3n.fsf@linaro.org> References: <1509465082-30427-1-git-send-email-Dave.Martin@arm.com> <877eu9dt3n.fsf@linaro.org> Message-ID: <20171129152140.GD10650@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Nov 29, 2017 at 03:04:12PM +0000, Alex Benn?e wrote: > > Dave Martin writes: > > > This series implements Linux kernel support for the ARM Scalable Vector > > Extension (SVE). [1] It supersedes the previous v3: see [3] for link > > and full cover letter. > > > > This is a minor update to v4, but does contain a couple of important > > fixes. > > > I seem to have run into a regression with normal non-SVE sigcontexts > while trying to run consecutive RISU runs in the Foundation Model. I'm > failing to get repeatable results playing back a previous --master run. > It works OK with the default Debian kernel. > > What is the current status of the tree? I'd like to try an narrow it > down but I seem to recall it was now in a next tree somewhere? This is in mainline now, so please give a 4.15-rc1 build a spin. If there's a user-visible regression then we need to get to the bottom of it ASAP. Will