From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Martin Subject: Re: [PATCH v2 26/28] arm64/sve: Add documentation Date: Fri, 6 Oct 2017 18:37:15 +0100 Message-ID: <20171006173715.GC3611@e103592.cambridge.arm.com> References: <1504198860-12951-1-git-send-email-Dave.Martin@arm.com> <1504198860-12951-27-git-send-email-Dave.Martin@arm.com> <59D7A4AF.40408@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:37782 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751862AbdJFRhU (ORCPT ); Fri, 6 Oct 2017 13:37:20 -0400 Content-Disposition: inline In-Reply-To: <59D7A4AF.40408@arm.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Szabolcs Nagy Cc: linux-arm-kernel@lists.infradead.org, linux-arch@vger.kernel.org, Mark Rutland , libc-alpha@sourceware.org, Ard Biesheuvel , Catalin Marinas , Will Deacon , Richard Sandiford nd@arm.com, Alex =?iso-8859-1?Q?Benn=E9e?= , kvmarm@lists.cs.columbia.edu On Fri, Oct 06, 2017 at 04:43:43PM +0100, Szabolcs Nagy wrote: > On 31/08/17 18:00, Dave Martin wrote: > > +9. System runtime configuration > > +-------------------------------- > > + > > +* To mitigate the ABI impact of expansion of the signal frame, a policy > > + mechanism is provided for administrators, distro maintainers and developers > > + to set the default vector length for userspace processes: > > + > > +/proc/cpu/sve_default_vector_length > > > elsewhere in the patch series i see > > /proc/sys/abi/sve_default_vector_length > > is this supposed to be the same? Good spot, thanks! /proc/cpu/ was the old location: they should both say /proc/abi/. I'll fix it. ---Dave