From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 23874C4332D for ; Fri, 20 Mar 2020 16:54:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0380620739 for ; Fri, 20 Mar 2020 16:54:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727617AbgCTQyt (ORCPT ); Fri, 20 Mar 2020 12:54:49 -0400 Received: from foss.arm.com ([217.140.110.172]:53986 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726983AbgCTQys (ORCPT ); Fri, 20 Mar 2020 12:54:48 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 214C51FB; Fri, 20 Mar 2020 09:54:48 -0700 (PDT) Received: from mbp (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 2D2403F305; Fri, 20 Mar 2020 09:54:47 -0700 (PDT) Date: Fri, 20 Mar 2020 16:54:44 +0000 From: Catalin Marinas To: =?iso-8859-1?Q?R=E9mi?= Denis-Courmont Cc: Will Deacon , linux-arm-kernel@lists.infradead.org, Mark Rutland , James Morse , linux-kernel@vger.kernel.org Subject: Re: [PATCHv3 0/3] clean up KPTI / SDEI trampoline data alignment Message-ID: <20200320165159.GB7448@mbp> References: <1938400.7m7sAWtiY1@basile.remlab.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1938400.7m7sAWtiY1@basile.remlab.net> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 19, 2020 at 11:12:56AM +0200, Rémi Denis-Courmont wrote: > Hi, > > The KPTI and SDE trampolines each load a pointer from the same fixmap data > page. This reduces the data alignment to the useful value, and tries to > clarify the assembler code. > > Changes since v2: > - Retain alignment even when SDEI is disabled to keep ld happy. I queued v2. Thanks. -- Catalin