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,NICE_REPLY_A,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 5E2B2C433C1 for ; Wed, 24 Mar 2021 15:53:03 +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 EB2A061A14 for ; Wed, 24 Mar 2021 15:53:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EB2A061A14 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=kgL8I7wgIy4Tc8h9WfMIPI0Z/dCRNGa8jQH26G99Jis=; b=nccSkT7Hw2aTx37sEL+FOyflO juHv7uaB6B4A7aQjE9oTOeMz2a4oacYShcSnBa9cGYSbqvX0zdkFSsUHLfC0C0GEfKHp+CKYJ7d4H tdI5uxJ7yyTpZdQPx2pVoTnDfXyZTFbgJrzoljbu/cgsQgG60PxqaLLBaU0CjtZPVdvl4q8a3X/Hq f6o62sHUd2tPUJe9QDj0WcRTJp2I7B3uWyRQ2eNuNZZeIKHKOuetVQoN2/+l9auAx9sS5eJcaH8ow dWFkEz1Ir4TVRBOc9H5TFPPnvB4qCLgroQQwNtO9d/NqmOepokFXaAJowOX2H5RpgfKJDNvjQBe5n P1ap9Grag==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lP5n0-00HK4a-I1; Wed, 24 Mar 2021 15:51:22 +0000 Received: from foss.arm.com ([217.140.110.172]) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lP5mw-00HK4D-LH for linux-arm-kernel@lists.infradead.org; Wed, 24 Mar 2021 15:51:20 +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 8EE37D6E; Wed, 24 Mar 2021 08:51:17 -0700 (PDT) Received: from [10.57.51.32] (unknown [10.57.51.32]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0A6543F7D7; Wed, 24 Mar 2021 08:51:15 -0700 (PDT) Subject: Re: [PATCH v5 05/19] arm64: Add support for trace synchronization barrier To: Marc Zyngier Cc: Catalin Marinas , Mathieu Poirier , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, coresight@lists.linaro.org, mike.leach@linaro.org, leo.yan@linaro.org, anshuman.khandual@arm.com, Will Deacon References: <20210323120647.454211-1-suzuki.poulose@arm.com> <20210323120647.454211-6-suzuki.poulose@arm.com> <20210323182142.GA16080@arm.com> <7675ab71-c2ff-91e0-5728-fcb216ac1e0d@arm.com> <875z1gk6fo.wl-maz@kernel.org> From: Suzuki K Poulose Message-ID: <1b5e5bb2-b89f-fa35-0a8b-8c5476cb9ff6@arm.com> Date: Wed, 24 Mar 2021 15:51:14 +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: <875z1gk6fo.wl-maz@kernel.org> Content-Language: en-GB X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210324_155119_074484_0D7F2329 X-CRM114-Status: GOOD ( 23.99 ) 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 24/03/2021 13:49, Marc Zyngier wrote: > On Wed, 24 Mar 2021 09:39:13 +0000, > Suzuki K Poulose wrote: >> >> On 23/03/2021 18:21, Catalin Marinas wrote: >>> Hi Suzuki? >>> >>> On Tue, Mar 23, 2021 at 12:06:33PM +0000, Suzuki K Poulose wrote: >>>> tsb csync synchronizes the trace operation of instructions. >>>> The instruction is a nop when FEAT_TRF is not implemented. >>>> >>>> Cc: Mathieu Poirier >>>> Cc: Mike Leach >>>> Cc: Catalin Marinas >>>> Cc: Will Deacon >>>> Signed-off-by: Suzuki K Poulose >>> >>> How do you plan to merge these patches? If they go via the coresight >>> tree: >>> >> >> Ideally all of this should go via the CoreSight tree to have the >> dependencies solved at one place. But there are some issues : >> >> If this makes to 5.13 queue for CoreSight, >> >> 1) CoreSight next is based on rc2 at the moment and we have fixes gone >> into rc3 and later, which this series will depend on. (We could move >> the next tree forward to a later rc to solve this). >> >> 2) There could be conflicts with the kvmarm tree for the KVM host >> changes (That has dependency on the TRBE definitions patch). >> >> If it doesn't make to 5.13 queue, it would be good to have this patch, >> the TRBE defintions and the KVM host patches queued for 5.13 (not sure >> if this is acceptable) and we could rebase the CoreSight changes on 5.13 >> and push it to next release. >> >> I am open for other suggestions. >> >> Marc, Mathieu, >> >> Thoughts ? > > I was planning to take the first two patches in 5.12 as fixes (they > are queued already, and would hopefully land in -rc5). If that doesn't > fit with the plan, please let me know ASAP. Marc, I think it would be better to hold on pushing those patches until we have a clarity on how things will go. Sorry for the confusion. Kind regards Suzuki > > Thanks, > > M. > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel