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=-3.8 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 autolearn=no 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 C023EC38BE0 for ; Mon, 24 Feb 2020 18:40:28 +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 9270B20836 for ; Mon, 24 Feb 2020 18:40:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="SHpL+in3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9270B20836 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:MIME-Version:Date:In-reply-to: Message-ID:Subject:To:From:References:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=wNqYnnNEovplXJykh3mhVQCXSwHr4p76DMex+ahKRA0=; b=SHpL+in338LWVC 7cUXVJdaMNhdZEmbYJ6AelXu1RJJLHxZwFMw1q0bK6VO+3pD9vDWBDL5NUPEFyRmmzKon890xIFGu Y9atdEvv3x+m9J+nR4kl0kH6aFc7IwJs15isgG1h+SRzSZd/vveRpGqLzoThXQp2TVRqL3MfjZMka vnn+sw/pMxezRvp19O/1ot5oXj45CXnAFwLibVt0IS/lo3J4ETzCTCxQaDO2GQm7KfYPN3xZpLb4k RVpp5ij+JU8CqQnshhN5appi5jTNouCPvJv8sPfC6yZp1eR0xQ/I8ao6umnGWXfLOOChSBkxYQ8jQ tOPvJq07+Ea/oZCW48Pg==; 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 1j6IeU-0003fx-3O; Mon, 24 Feb 2020 18:40:22 +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 1j6IeQ-0003ei-GY for linux-arm-kernel@lists.infradead.org; Mon, 24 Feb 2020 18:40:19 +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 0D4EA1FB; Mon, 24 Feb 2020 10:40:16 -0800 (PST) Received: from e113632-lin (e113632-lin.cambridge.arm.com [10.1.194.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id CFB0F3F703; Mon, 24 Feb 2020 10:40:13 -0800 (PST) References: <20200224141142.25445-1-ionela.voinescu@arm.com> <20200224141142.25445-2-ionela.voinescu@arm.com> User-agent: mu4e 0.9.17; emacs 26.3 From: Valentin Schneider To: Ionela Voinescu Subject: Re: [PATCH v4 1/7] arm64: add support for the AMU extension v1 Message-ID: In-reply-to: <20200224141142.25445-2-ionela.voinescu@arm.com> Date: Mon, 24 Feb 2020 18:39:37 +0000 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200224_104018_597001_63940A77 X-CRM114-Status: UNSURE ( 7.33 ) X-CRM114-Notice: Please train this message. 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@arm.com, maz@kernel.org, suzuki.poulose@arm.com, peterz@infradead.org, catalin.marinas@arm.com, linux-pm@vger.kernel.org, linux-doc@vger.kernel.org, rjw@rjwysocki.net, linux-kernel@vger.kernel.org, mingo@redhat.com, viresh.kumar@linaro.org, linux-arm-kernel@lists.infradead.org, sudeep.holla@arm.com, will@kernel.org, dietmar.eggemann@arm.com, lukasz.luba@arm.com 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 Ionela Voinescu writes: > The activity monitors extension is an optional extension introduced > by the ARMv8.4 CPU architecture. This implements basic support for > version 1 of the activity monitors architecture, AMUv1. > > This support includes: > - Extension detection on each CPU (boot, secondary, hotplugged) > - Register interface for AMU aarch64 registers > - amu=[0/1/on/off/y/n] kernel parameter to disable detection and > counter access at runtime > > Signed-off-by: Ionela Voinescu > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Suzuki K Poulose > Cc: Marc Zyngier > Cc: Mark Rutland Reviewed-by: Valentin Schneider _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel