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=-5.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 0F122C32771 for ; Thu, 9 Jan 2020 10:00:49 +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 CAC4720673 for ; Thu, 9 Jan 2020 10:00:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="f7XiiGGZ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CAC4720673 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:Date: Message-ID:From:References:To:Subject:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=mV2QJRExxpk+bG0Z411JzwExBfc25VMQpYtY60HMwWQ=; b=f7XiiGGZB+9jou d0c7ZZznV2mIjw2iYFYa48I6CtB2cG4IB3Q5Z1UbynfiguemqW0+eJazI3z5rLpnPCWHx73mPtF6M hQ9IC+NJi+W+AIEIcgz4qVPv2WyPaOky/ja7sy/hJIvS/hdbbdOb/HJ1weUv5W0+TOO5Cv9wN6k88 ckmAJSZgwxodDFHJrBf08t4ak2TSxrB+2vbc01OYiFVTYLi1adJCS01M8a18zDbGN+B0jHOezO+dm UZzC9j/18lypPhIH34hTi2V1+cfFQJrEF9ACv06SDnLgI7fAS47en/XxpaKiFMq4dhzzex9mohlUB GdmgaNCIWwYMtCyRSTig==; 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 1ipUcS-0001HD-27; Thu, 09 Jan 2020 10:00:48 +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 1ipUcN-0001Gd-7x for linux-arm-kernel@lists.infradead.org; Thu, 09 Jan 2020 10:00:45 +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 5A96431B; Thu, 9 Jan 2020 02:00:42 -0800 (PST) Received: from [10.162.40.138] (p8cg001049571a15.blr.arm.com [10.162.40.138]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 4D3173F6C4; Thu, 9 Jan 2020 02:00:39 -0800 (PST) Subject: Re: [PATCH 09/17] arm64: entry: organise handler stubs consistently To: Mark Rutland , linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, will@kernel.org, james.morse@arm.com References: <20200108185634.1163-1-mark.rutland@arm.com> <20200108185634.1163-10-mark.rutland@arm.com> From: Anshuman Khandual Message-ID: <70e2ec15-d293-fc54-c37b-9aa2a25f0920@arm.com> Date: Thu, 9 Jan 2020 15:31:53 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20200108185634.1163-10-mark.rutland@arm.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200109_020043_327969_FF87C94B X-CRM114-Status: GOOD ( 10.83 ) 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: keescook@chromium.org, maz@kernel.org, broonie@kernel.org, labbott@redhat.com, robin.murphy@arm.com, julien.thierry.kdev@gmail.com, alex.popov@linux.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 01/09/2020 12:26 AM, Mark Rutland wrote: > The exception handler stubs are laid out in a random order, violating > the EL1/EL0 split described by the comments. In an attempt to get more > optimal cache usage for commonly-invoked handlers, some handlers are > given special alignment while others are not. > > To make things less surprising, This patch reorganises the hander stubs > so they're in a consistent order, with the EL1 sync/irq/error stubs > first, followed by the EL0 sync/irq/error stubs, then the EL0 compat > sync/irq/error stubs. All the stubs are given the same alignment. > > There should be no functional change as a result of this patch. > > Signed-off-by: Mark Rutland > Cc: Catalin Marinas > Cc: James Morse > Cc: Will Deacon Reviewed-by: Anshuman Khandual _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel