Received: by 2002:a05:6a10:22f:0:0:0:0 with SMTP id 15csp64172pxk; Thu, 10 Sep 2020 23:56:38 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw8KJO0NBvbWy8KHBVoMqpRS0iuNRX1/ArBy2jiPKQ+SC2TCkyW28jhZWnukYI5d52p7r4M X-Received: by 2002:a17:906:ce30:: with SMTP id sd16mr658519ejb.53.1599807398734; Thu, 10 Sep 2020 23:56:38 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1599807398; cv=none; d=google.com; s=arc-20160816; b=A04Ff38JuNZeUZsj6I6Fa8883k16OKX/eum+KpAoW1L4zrEYVYgD10FkBsPiuUehNo mtpVGhmkqbBffWaCQ/hZT/iG008SQ9W18U1u//yKgtrWcLtNZXgkSjUfuRymw6kkUVzE 850ZSrwgTCGVckxlHtZ7XW1hVBFFd/nnlarWmhdBSLtIrACE6V6n87MZAgXX67+LIg4T vXthOP2Atzqt3DY1+CM97RTj8QKzEA2UrWyrk2+Y/ul/TgRzQTLe/Iara2QXrDiW0lYs J/URIo5yeH12HdOX16TZH+CIudujLzGMAoEJJ9fWQ+ovqLe/kSLO13beIy5DzLLO8zZl aPLQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=feIT/GJTlfqT9PqB0wy2NqUezZRcNbFgGDGnzrZc3BM=; b=nGP/IPbP3zb7VglVQaQ/Aa9sN7RLqKOGSaH/i25ua80L93dZVY1f48zJ5tu0Qth30q t+Nm6QCPC9SmEel/7Qi+KKiAY3SxMjOahFBjThW6iFrwgwVHsdWUsu3+jgv8lDgFVoVI dsQ1xQ0tBNoDTcBUN9rC/8Ui6DyHNsQY+//fb7oeRvJEkjr1zZFzKjnq/WJM6/DU/LC6 /PlTdigNGQCUl9996zj6bkwCPTFtt3TS2rJZtnKBxjQZsGrLeFEIiF79SCdT/aqdCoCW CleVpc2WNGMqwqDIgA2RpcFDAb1s9TZwhK7iyz2/dxQbD3Uqd0f7CFsVbmlib1EquLZx YtsQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id z5si670493ejj.403.2020.09.10.23.56.14; Thu, 10 Sep 2020 23:56:38 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725550AbgIKG4M (ORCPT + 99 others); Fri, 11 Sep 2020 02:56:12 -0400 Received: from helcar.hmeau.com ([216.24.177.18]:58908 "EHLO fornost.hmeau.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725497AbgIKG4L (ORCPT ); Fri, 11 Sep 2020 02:56:11 -0400 Received: from gwarestrin.arnor.me.apana.org.au ([192.168.0.7]) by fornost.hmeau.com with smtp (Exim 4.92 #5 (Debian)) id 1kGcyf-0007r2-1r; Fri, 11 Sep 2020 16:56:10 +1000 Received: by gwarestrin.arnor.me.apana.org.au (sSMTP sendmail emulation); Fri, 11 Sep 2020 16:56:09 +1000 Date: Fri, 11 Sep 2020 16:56:09 +1000 From: Herbert Xu To: Uros Bizjak Cc: linux-crypto@vger.kernel.org, x86@kernel.org, "David S. Miller" Subject: Re: [PATCH] crypto/x86: Use XORL r32,32 in curve25519-x86_64.c Message-ID: <20200911065608.GB32150@gondor.apana.org.au> References: <20200827173058.94519-1-ubizjak@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200827173058.94519-1-ubizjak@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org On Thu, Aug 27, 2020 at 07:30:58PM +0200, Uros Bizjak wrote: > x86_64 zero extends 32bit operations, so for 64bit operands, > XORL r32,r32 is functionally equal to XORL r64,r64, but avoids > a REX prefix byte when legacy registers are used. > > Signed-off-by: Uros Bizjak > Cc: Herbert Xu > Cc: "David S. Miller" > --- > arch/x86/crypto/curve25519-x86_64.c | 68 ++++++++++++++--------------- > 1 file changed, 34 insertions(+), 34 deletions(-) Patch applied. Thanks. -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt