From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754265AbdIGHPj (ORCPT ); Thu, 7 Sep 2017 03:15:39 -0400 Received: from mail-wr0-f173.google.com ([209.85.128.173]:36294 "EHLO mail-wr0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753777AbdIGHPi (ORCPT ); Thu, 7 Sep 2017 03:15:38 -0400 X-Google-Smtp-Source: ADKCNb4atkoX4SMW+fQe9lph993leJssYTgY6iONXjbNt4vSVWXnyykLStVGQY2zlStML/froRtTUw== Date: Thu, 7 Sep 2017 09:15:34 +0200 From: Ingo Molnar To: Eric Biggers Cc: Josh Poimboeuf , x86@kernel.org, linux-kernel@vger.kernel.org, Tim Chen , Mathias Krause , Chandramouli Narayanan , Jussi Kivilinna , Peter Zijlstra , Herbert Xu , "David S. Miller" , linux-crypto@vger.kernel.org, Eric Biggers , Andy Lutomirski , Jiri Slaby Subject: Re: [PATCH 00/12] x86/crypto: Fix RBP usage in several crypto .S files Message-ID: <20170907071534.ztbxvyfoo7m7esmw@gmail.com> References: <20170902000919.GA139193@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170902000919.GA139193@gmail.com> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Eric Biggers wrote: > Thanks for fixing these! I don't have time to review these in detail, but I ran > the crypto self-tests on the affected algorithms, and they all pass. I also > benchmarked them before and after; the only noticable performance difference was > that sha256-avx2 and sha512-avx2 became a few percent slower. I don't suppose > there is a way around that? Otherwise it's probably not a big deal. Which CPU model did you use for the test? Thanks, Ingo