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 D64D4C433EF for ; Fri, 4 Feb 2022 11:00:46 +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=LmJCv+0oJoSs7gUsDeDfyhtnn0qxkIy8ArUUDi7Bf+M=; b=leqdaqBDHFq+bh JZzJVk16MMxf3Qjq+lgQbYTH9FITluP7QE2SJRq0wpKTK/iTC9yfLiSdrxtvRZeHX3LAqnTK0rfAE hMoHNe6qvPdz8j0WnynmJVYD8QPCc+vDaXLQC3FTRW7JaU+WwuUjvjI6XaJ6Fg8tZe2YlJx1dfNcW S4ZoHy8Zp+CLoJXmuYUJ9aj2/kXuQVEdvNpLHPGtVMLEANXeE1oWePcpHpfQ15goOw2Kye/DDz3op Tdmbl3H+4JURWxukh7zqpwZRHA9K00nt8EWeL/UKeMhZLH7T0RlhGWbUZ7m9/nEu6cYNRWYspF29k gYRDwpAbiu7IkT6t8IFw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nFwJR-0042mc-Ss; Fri, 04 Feb 2022 10:59:34 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nFwJO-0042ll-NL for linux-arm-kernel@lists.infradead.org; Fri, 04 Feb 2022 10:59:32 +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 C41951435; Fri, 4 Feb 2022 02:59:29 -0800 (PST) Received: from FVFF77S0Q05N (unknown [10.57.89.15]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 82A273F774; Fri, 4 Feb 2022 02:59:28 -0800 (PST) Date: Fri, 4 Feb 2022 10:59:20 +0000 From: Mark Rutland To: broonie@kernel.org Cc: linux-arm-kernel@lists.infradead.org Subject: Re: [boot-wrapper PATCH 2/2] aarch64: Enable use of SME by EL2 and below Message-ID: References: <20220201172132.2399026-1-broonie@kernel.org> <20220201172132.2399026-2-broonie@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220204_025930_829517_34651B3D X-CRM114-Status: GOOD ( 13.41 ) 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 Tue, Feb 01, 2022 at 06:16:58PM +0000, Mark Rutland wrote: > Hi Mark, > > On Tue, Feb 01, 2022 at 05:21:32PM +0000, broonie@kernel.org wrote: > > From: Mark Brown > > > > Allow lower ELs to use SME when booted on a system that support it. This > > requires us to set two new bits, one in each of SCR_EL3 and CPTR_EL3, set > > the maximum vector length in a similar fashion to SVE and if the optional > > FA64 feature is present then set another feature bit in the new SMCR > > register. > > This looks good to me. I'll wait a day or so to allow others to review, but if > no-one shouts I'll apply this (along with patch 1) before the end of the week. I've applied both patches now. Thanks, Mark. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel