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=-5.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 22086C433C1 for ; Tue, 23 Mar 2021 17:07:06 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 B75C7619BF for ; Tue, 23 Mar 2021 17:07:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B75C7619BF 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=desiato.20200630; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:Cc:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Gijh+7ERxAwJgsZn6ig8BO0bKUppwMdVcomyC3+7mZ8=; b=QjO7ZLYI9JepJA5m9QtESjyoq PhpIcxMs3PVV/zT/+QVnKPc+IAynOAevMxOOIW1gJKqVoyPS3sErhZo1XTA2sr33jFJ4wL6Q0eWNK L6z3gNH1pV5/c+ChGpts6/k4omN0m4f9tGPWO3lmkM/z5sx8jBXtMXCa7Sk8gHGToG6vuPR+6guvw c//85myoYhbNPTbZFE3R4MniHed5o2eV2yvuYqmn6/AiPWoS2RkVs8fuDGrPsfRKzQRI070tIZ5hS x66KULYovNSL4S5+nRmATAwXAsD2VH4IEYDTZhuiAO3f7HpGJQf6LuC7JVu6O2PxwCopr+YsMfBnS FWTrL1JCA==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lOkTL-00FMTu-Ov; Tue, 23 Mar 2021 17:05:39 +0000 Received: from foss.arm.com ([217.140.110.172]) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lOkTF-00FMT8-OB for linux-arm-kernel@lists.infradead.org; Tue, 23 Mar 2021 17:05:35 +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 809361042; Tue, 23 Mar 2021 10:05:29 -0700 (PDT) Received: from [10.57.55.187] (unknown [10.57.55.187]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id B24123F718; Tue, 23 Mar 2021 10:05:27 -0700 (PDT) Subject: Re: (subset) [PATCH v5 00/19] coresight: Add support for ETE and TRBE To: Marc Zyngier , linux-arm-kernel@lists.infradead.org Cc: leo.yan@linaro.org, catalin.marinas@arm.com, Linu Cherian , Will Deacon , coresight@lists.linaro.org, Peter Zilstra , anshuman.khandual@arm.com, mike.leach@linaro.org, mathieu.poirier@linaro.org, linux-kernel@vger.kernel.org References: <20210323120647.454211-1-suzuki.poulose@arm.com> <161651726490.2050093.5536833570808361940.b4-ty@kernel.org> From: Suzuki K Poulose Message-ID: Date: Tue, 23 Mar 2021 17:05:26 +0000 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <161651726490.2050093.5536833570808361940.b4-ty@kernel.org> Content-Language: en-GB X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210323_170534_034073_00C37C20 X-CRM114-Status: GOOD ( 15.19 ) 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-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 23/03/2021 16:34, Marc Zyngier wrote: > On Tue, 23 Mar 2021 12:06:28 +0000, Suzuki K Poulose wrote: >> This series enables future IP trace features Embedded Trace Extension >> (ETE) and Trace Buffer Extension (TRBE). This series applies on >> v5.12-rc4 + some patches queued. A standalone tree is also available here [0]. >> The queued patches (almost there) are included in this posting for >> the sake of constructing a tree from the posting. >> >> ETE is the PE (CPU) trace unit for CPUs, implementing future >> architecture extensions. ETE overlaps with the ETMv4 architecture, with >> additions to support the newer architecture features and some restrictions >> on the supported features w.r.t ETMv4. The ETE support is added by extending >> the ETMv4 driver to recognise the ETE and handle the features as exposed by >> the TRCIDRx registers. ETE only supports system instructions access from the >> host CPU. The ETE could be integrated with a TRBE (see below), or with >> the legacy CoreSight trace bus (e.g, ETRs). Thus the ETE follows same >> firmware description as the ETMs and requires a node per instance. >> >> [...] > > Applied to fixes, thanks! > > [01/19] kvm: arm64: Hide system instruction access to Trace registers > commit: 4af0afe252a2701732c317585f7c3ef6596b8f3d > Thanks Marc ! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel