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=-10.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,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 043C4C433DF for ; Thu, 30 Jul 2020 12:23:32 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 C13912082E for ; Thu, 30 Jul 2020 12:23:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="SYjRLzjS" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C13912082E 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+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=merlin.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=ogqeWgQrxezx/uPq2wK+uSlqCKYch8B367tRm/nIktc=; b=SYjRLzjSOyBrR4R05/UZleOzv BdgLd28o93u0IunTuLwk4qjOXvWBGrqDdic7iHPdaE1nYJ+jnyuGeDx6dOyjI241OS/byYnWIgS4Z M+JsmqrQmS2ljnH47EEq2zGGzvLCciCCt0cB16u6ZnQOjxFs0xRfC/iK48DQFCWxCCmM1OLxJ+VEV aXo8C5L7KFfdncUgzNg1aNdXkuUmSkBy+ssaHiPYSclcVJl/K9HxkgTh7d9ILym1A71XFliXU1D3c usbyqL0EYFMjjI/XgWSNZC2s7ksYWJ8a5SQFp5PNN2WkzMYzkvqesHP+ZG6O5eN88ar55WbQQBG7A HtGWytfiw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k17ZZ-0002q0-6u; Thu, 30 Jul 2020 12:22:09 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1k17ZW-0002pO-Gp for linux-arm-kernel@lists.infradead.org; Thu, 30 Jul 2020 12:22:07 +0000 Received: from gaia (unknown [95.146.230.158]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 61F592082E; Thu, 30 Jul 2020 12:22:04 +0000 (UTC) Date: Thu, 30 Jul 2020 13:22:01 +0100 From: Catalin Marinas To: Sami Tolvanen Subject: Re: [PATCH] arm64/alternatives: move length validation inside the subsection Message-ID: <20200730122201.GM25149@gaia> References: <20200729215152.662225-1-samitolvanen@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200729215152.662225-1-samitolvanen@google.com> 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-20200730_082206_631767_C9C4ACBD X-CRM114-Status: GOOD ( 14.09 ) 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: Kees Cook , Nick Desaulniers , linux-kernel@vger.kernel.org, stable@vger.kernel.org, clang-built-linux@googlegroups.com, Will Deacon , Ard Biesheuvel , linux-arm-kernel@lists.infradead.org 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 Wed, Jul 29, 2020 at 02:51:52PM -0700, Sami Tolvanen wrote: > Commit f7b93d42945c ("arm64/alternatives: use subsections for replacement > sequences") breaks LLVM's integrated assembler, because due to its > one-pass design, it cannot compute instruction sequence lengths before the > layout for the subsection has been finalized. This change fixes the build > by moving the .org directives inside the subsection, so they are processed > after the subsection layout is known. > > Link: https://github.com/ClangBuiltLinux/linux/issues/1078 > Cc: # 4.14+ Commit f7b93d42945c went in 5.8-rc4. Why is this cc stable from 4.14? If Will picks it up for 5.8, it doesn't even need a cc stable. Please add a Fixes: tag as well. -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel