Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp3954943pxf; Tue, 16 Mar 2021 01:53:14 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyG7467FR/0Lpcn48WuRZYdOCiueP5Pb+pReINN3/3Mq6u3EJB80N8d9cAW2MQnaNBpJu9l X-Received: by 2002:a17:906:3159:: with SMTP id e25mr18428499eje.303.1615884794767; Tue, 16 Mar 2021 01:53:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1615884794; cv=none; d=google.com; s=arc-20160816; b=nBDU3hs1t6wccFUnRzv85yf3M9vQYgHGZjqlrO8FzqXJPloBbLom6kQw91hYVuKdSY OtYf5OLHvfpSwVRhUodJtbTwUbByDnv2yZ1GIYUGhin1u9iInjRnbZyJLbnfIvz4zDCw 6nUsqbF5nCbJwD94oxI2xvx/LD8gda36mbRKCceWcPOKPI0Ud52ea5rFPbyYJRYgE7oe dWktYGeBPVEDeIBfP7RPGJhfDv8vdhOCVHrIHBhEatYq43bI4EzGAhvzE+sTI7NE66km ORdm4DBDnVBWJZS3vczoGutpdGYH6shQmIG6+gbatFWNEvM2V/4rusF+bHMYG6aXCKgn Pw8A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:to:subject:message-id:date:from:mime-version :dkim-signature; bh=xdaMLNRNNV0TqaT3mnwn4E0J8SdI7kvzN2y5UClEOn8=; b=dQosHRQKBfxMDdKiHAbjXj/ps6KF+wQB9GTRBhwPrW9lP4kTF33/C1pNvbdQ3nAJqg Xr16p4ahR8AgcJwmGtq7KUKtuQIgnIiIHtip5ZWPO5t2b8wjXnxMXnTJQBligPZbEzAQ U57e2T6Qb5LsMrllEx5DGfBwNuW/LHdm8+cxIx+4ufP4KPyFdT/1KrCa4VT0iSbhwn/w L0BEdY+oE7kAvKgXtv6838ccEEmyBkV6lmORmU0/e3bwmW8r3rRlgXugX2k7Pcn3PBz/ cuB8IAMP2h04Zs0JwxC2lNGlV5imR8IKz5SQAHVl7/foOnnP30Ngh2KjXmqnrByzIbgj G3tw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=r1GVG7Mw; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id s1si12949046ejf.199.2021.03.16.01.52.42; Tue, 16 Mar 2021 01:53:14 -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; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=r1GVG7Mw; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231738AbhCPGiB (ORCPT + 99 others); Tue, 16 Mar 2021 02:38:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:54986 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231483AbhCPGhl (ORCPT ); Tue, 16 Mar 2021 02:37:41 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 96B4E6521F; Tue, 16 Mar 2021 06:37:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1615876660; bh=cRWsW7dLzxoXxFXLdN5guDFC94P+2LQJky93emcQJbc=; h=From:Date:Subject:To:From; b=r1GVG7MwFYxdJUdcvlRwHKVI3YKBuwLyVpI7pCYyMhkrW5KLlIXpONjPr6+uNvz6I SyBykSeBwSXdLIC25rKWQBVPceojTiiAmAKx3Vf0ZbqJFrsRquV/hXpYtXBDhI6jlB XHUYaDFi2zpIqpUp4QyKE31L6VaPg3S844YvyC4nbtb5uWGdUchTRS903GazzFhXQl jqmMYwSCoSXrNcJp/p3IjaHX7d/h+sFFl9Bbdyz6Mjd1Q3HJI99PJk3/Hcrb3AFCwG YBDVUt/t7JoWyqlRNN0iQ9NH5CqgWowNSrcd0jBGfyAKCWHN4lCHtn0IuSlq80m/M1 PvfxMIySSz0Uw== Received: by mail-oi1-f175.google.com with SMTP id t83so27087335oih.12; Mon, 15 Mar 2021 23:37:40 -0700 (PDT) X-Gm-Message-State: AOAM533bpxFXSANb0v5ieKLCkMcHre/AjzQcb8osU3KIY2CS2jAWctai hWMWGDg9RQ0LSug7wfNvIXlAqQ1WtGIA65sJLOY= X-Received: by 2002:aca:538c:: with SMTP id h134mr2244110oib.174.1615876660008; Mon, 15 Mar 2021 23:37:40 -0700 (PDT) MIME-Version: 1.0 From: Ard Biesheuvel Date: Tue, 16 Mar 2021 07:37:29 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: stable request To: "# 3.4.x" , Linux Crypto Mailing List , Eric Biggers , Herbert Xu Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Please consider backporting commit 86ad60a65f29dd862a11c22bb4b5be28d6c5cef1 crypto: x86/aes-ni-xts - use direct calls to and 4-way stride to stable. It addresses a rather substantial retpoline-related performance regression in the AES-NI XTS code, which is a widely used disk encryption algorithm on x86. -- Ard.