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,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 E2E1DC433E0 for ; Mon, 25 Jan 2021 18:38:32 +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 9959A20665 for ; Mon, 25 Jan 2021 18:38:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9959A20665 Authentication-Results: mail.kernel.org; dmarc=fail (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=LcsqlVaBO+27F6vgVkVcRa0Zg0zv4z1DnWNRM9LC9S0=; b=Wcq7B96WSl39wn67CI2LiyQnu dM8jLCie9PzbpZA1eV+Z3jPREMJHDqoSPBnH8iRaX5HcafcmnhFTs38k+vxzOE1YFd7WFBZiIjoI5 JUoWSz+5s9KYzhBCd9N/KMgypPvfL2wR6gU62FY2KyeZE1SubTnIo/AcUi5+il97MIccGOnjQHhdJ WJ5o7evek96mnT+nKPfZMvd6oQw9fQ7ITdfaJ2+hwc0eDAJh0GlEpjBfsMCmmjMFYl/1BccTehXmA 3jGQaIarPFjckLBREiWRaXt16xHwlw+s82e4UUL6/Y723n86ZalD53S8KY967VihrPFA3yTEr9JtH F1KssLtAg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l46jh-0006PA-3x; Mon, 25 Jan 2021 18:37:13 +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 1l46jd-0006OG-CW for linux-arm-kernel@lists.infradead.org; Mon, 25 Jan 2021 18:37:10 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id A400F22ADF; Mon, 25 Jan 2021 18:37:05 +0000 (UTC) Date: Mon, 25 Jan 2021 18:37:03 +0000 From: Catalin Marinas To: Marc Zyngier Subject: Re: [PATCH v5 12/21] arm64: cpufeature: Add an early command-line cpufeature override facility Message-ID: <20210125183702.GM25360@gaia> References: <20210125105019.2946057-1-maz@kernel.org> <20210125105019.2946057-13-maz@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210125105019.2946057-13-maz@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-20210125_133709_562647_2ABAC852 X-CRM114-Status: GOOD ( 11.28 ) 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: Mark Rutland , Jing Zhang , Prasad Sodagudi , Srinivas Ramana , Suzuki K Poulose , Alexandru Elisei , linux-kernel@vger.kernel.org, Ard Biesheuvel , James Morse , Julien Thierry , Ajay Patil , kernel-team@android.com, David Brazdil , Will Deacon , kvmarm@lists.cs.columbia.edu, 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 Mon, Jan 25, 2021 at 10:50:10AM +0000, Marc Zyngier wrote: > In order to be able to override CPU features at boot time, > let's add a command line parser that matches options of the > form "cpureg.feature=value", and store the corresponding > value into the override val/mask pair. > > No features are currently defined, so no expected change in > functionality. > > Signed-off-by: Marc Zyngier > Acked-by: David Brazdil Reviewed-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel