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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id CFD25C433EF for ; Thu, 31 Mar 2022 14:10:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc: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=lNwj1YJBSgbBHCe0nZ0qj/XxBUHa0HXclUKBSqXuuHI=; b=KA6UH1a5GcqzaS fwhafRax13GrdHuk0W5k2kNP5pFEntB4OZxpyK6xmSe8WBmXgnn6x7Hz79b4gcx/cIe9488M8q+Hi LInpr3y0jjm1GnYfLOpKcLs46fcrjDoW1XoKessbq8qCFbh+BryANYQMLGFph74WqGtTKjzVohEqb fpjNpTXZLjhbiFKBssLWY38H0ohnVl96fi1pC8LPsLqFZPTkVA515zHjETTqqOqAJufpUjD/1GdnV 2UTDKlwX2fV7uX+R4e2o+Fy9Uw1W31RbpwSc5BxZXixy9iYepjvGV8IQGK9D5hZTb4xXwseerL2aQ zpcQccLdBDmyzJ+15FUQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nZvU8-002V5h-7c; Thu, 31 Mar 2022 14:09:12 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nZvSF-002UI0-TL for linux-arm-kernel@lists.infradead.org; Thu, 31 Mar 2022 14:07:18 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=18TUc/7d/64GnmeT2diDbvmUKPbz3I2oyqf0bCyUIvU=; b=juoBtaMUe55AQsn0YugAC6rX+B 92ZRlzoxRfIcUkMEiKxxYyw4bmftDPJ9dRyZkXQB7qfD1aSZYCFkGFfRLRcAPELzRKEDLfU5Lh3u0 +IdHQMr/VtKZzuygEWOiRVRKvnhZA7M4OoI4E+C3EvhkRAAcurPSbTB2pv81Ke2NPv+2pfvLh9rtn u/XgNt3O9UtAYo4mbQqjVS0imXKgD0KjPjyfmcN3g5TqLFToC4o2l/ZtxU1nXcMBIacoaAW4Ao5QC R4OMqhKdsOQ9wNPuBilUPdwXtvDZC0ozKu3rJmLcEFbUimRiS+jmK70DnwYRCbAggnEwc0hBLry6S gKxh3OmQ==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:58060) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1nZvSA-0004vY-Hd; Thu, 31 Mar 2022 15:07:10 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1nZvS9-0007gJ-EI; Thu, 31 Mar 2022 15:07:09 +0100 Date: Thu, 31 Mar 2022 15:07:09 +0100 From: "Russell King (Oracle)" To: Ard Biesheuvel Cc: linux-arm-kernel@lists.infradead.org, arnd@arndb.de, linus.walleij@linaro.org Subject: Re: [PATCH 5/6] ARM: spectre-bhb: avoid cross-subsection jump using a numbered label Message-ID: References: <20220328134714.205342-1-ardb@kernel.org> <20220328134714.205342-6-ardb@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220328134714.205342-6-ardb@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220331_070715_990802_1347AF55 X-CRM114-Status: UNSURE ( 7.94 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Mar 28, 2022 at 03:47:13PM +0200, Ard Biesheuvel wrote: > In order to minimize potential confusion regarding numbered labels > appearing in a different order in the assembler output due to the use of > subsections, use a named local label to jump back into the vector > handler code from the associated loop8 mitigation sequence. Using \@ doesn't buy us much as \name is already unique. Maybe using some kind of prefix would be better, e.g. .Lfoo_\name would be more descriptive? -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel