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 69873C43331 for ; Tue, 24 Mar 2020 16:46:08 +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 2F539206F6 for ; Tue, 24 Mar 2020 16:46:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="IWK3DkF0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2F539206F6 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=OoMe4Ea+NxAdohh3t9tWsN4BEw+MqlfN8pfFHWPn8gg=; b=IWK3DkF0HfPmIW eXY8MMsK7Pqr5BkY64OGoqNAWqD9cPUBh3GKJbbszqeHYAmIqUzv//HHkVnNa4W+PSyFjoUFCSWAW VKlA2UrJcTan2e/EYqlp6JddSD3WjI6S+H+iS4UArkVEhRyBXyuKLHwAWDmYuEA5S57To657Fo44r PMZciEdXddRunNJbXUs1mTKDmm9OPGhafXWZ8DfUvdfv8CGS73KXIAgfrOKKdUrxLGm4rvMA8CsUh uutgzNcefAwlG1WVoxKXsIF8RiO+FCOb36hBRQHqfW44DwmFvET4w75gg/DpO9kHFS9dXaWcSpjZo nSvWaNdjCMgTqLu8vp7w==; 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 1jGmgp-0006B3-Kf; Tue, 24 Mar 2020 16:46:07 +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 1jGmgm-00069b-9v for linux-arm-kernel@lists.infradead.org; Tue, 24 Mar 2020 16:46:06 +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 F20201FB; Tue, 24 Mar 2020 09:46:01 -0700 (PDT) Received: from mbp (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 1F1A33F71F; Tue, 24 Mar 2020 09:46:01 -0700 (PDT) Date: Tue, 24 Mar 2020 16:45:58 +0000 From: Catalin Marinas To: Mark Brown Subject: Re: [PATCH 2/2] arm64: crypto: Use .arch_extension Message-ID: <20200324164557.GC3901@mbp> References: <20200323191807.3864-1-broonie@kernel.org> <20200323191807.3864-2-broonie@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200323191807.3864-2-broonie@kernel.org> 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-20200324_094604_384159_F1EB72F0 X-CRM114-Status: GOOD ( 10.47 ) 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: Will Deacon , Ard Biesheuvel , linux-arm-kernel@lists.infradead.org, Eric Biggers 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 Mon, Mar 23, 2020 at 07:18:07PM +0000, Mark Brown wrote: > Currently when implementing optimised assembler routines using > architecture extensions we override the base architecture along with > enabling the new extensions, causing problems for in kernel BTI support > which needs to raise the base architecture level for assembler files in > order to generate BTI landing pads. We did this due to a lack of > support for the .arch_extension gas feature in older versions of the > clang built in assembler but since current versions of clang now have > support for .arch_extension we can use that. > > Signed-off-by: Mark Brown It make sense (I got burnt by this with the MTE patches). Acked-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel