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=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,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 D3174C4332D for ; Fri, 20 Mar 2020 16:57:31 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9FD6120739 for ; Fri, 20 Mar 2020 16:57:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="R5N6e/Cs" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9FD6120739 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=W++vUisIaEX3GF+CxAn/atc6aJfO83vfjY7gg/nnXkc=; b=R5N6e/CszCegct gVyfx6QbL2wFrzFoHkEhsZkzByFmphiGGli+CuojSfKsj7i9FBg62oeZVfb2c05QaNugQEIJAl6N7 FaqAmwVMQuyo3bgDacTzMHVD5Zs3wuZ9gpXlR4E2tEwJq7MNG39ZTIHqUqaNxBXQ71MXemyVwK/L5 U3UFiEYQoLySgOVjkG4sH/PJH1CW4gALNL1079zG2i96CAu38hiGbfFEAof/PGkDfPrV5+ra73L3C uAiGRSM6h+ZRk4ynaETp8vkkHKUs8W00IvXNpnEFXJcpvQj59tsP+td9STTY7k4Suux4SPL9iWhZd GenU8XfMAhdB096unCxg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jFKxe-0007uW-Vy; Fri, 20 Mar 2020 16:57:30 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jFKv3-0004RG-Ga for linux-arm-kernel@lists.infradead.org; Fri, 20 Mar 2020 16:54:54 +0000 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 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-Disposition: inline In-Reply-To: <1938400.7m7sAWtiY1@basile.remlab.net> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200320_095450_354153_109D1E79 X-CRM114-Status: UNSURE ( 8.78 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , James Morse , Will Deacon , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Mar 19, 2020 at 11:12:56AM +0200, R=E9mi 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel