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=-9.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 E5396C433C1 for ; Wed, 24 Mar 2021 13:51:23 +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 5785161A01 for ; Wed, 24 Mar 2021 13:51:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5785161A01 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Subject:Cc:To: From:Message-ID:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=AX8cUsJMuVlca8WV6vNZ+Mm1jYi+rMShIoBrzdFKTQo=; b=R0AP7oikpk/3les2y0I84UUta oUwu5Lxgu0qTyciNLtSSvmqBBWBw14U4aiB4LLqbrEzkp3wJrFF/lwxJPlvjC55U8y4txfSboB5M8 Eym27P+oFgeZXYQg6IzBxNNn/onvo8P9to86G6/fgCrzJSqmoeXHHnIYalpGid6MvpBDIoLMa1BQc M4egcblmtjqNu2Hh+PtCNINYrERs7F62sPBdzathJinyCGKWJgbeIT8jaKrlVL0Hc0G0qJPazvrJZ z1kcGSP145eM1VBwDD7VLdeh9lK+6Ea8Ekn132FnukmpuMkp3SdVXrn4MPzOaB74foUK8CWdAGrWa tAFifkeYw==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lP3tD-00HAhu-K8; Wed, 24 Mar 2021 13:49:40 +0000 Received: from mail.kernel.org ([198.145.29.99]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lP3t9-00HAge-Oi for linux-arm-kernel@lists.infradead.org; Wed, 24 Mar 2021 13:49:37 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1F2A661A01; Wed, 24 Mar 2021 13:49:34 +0000 (UTC) Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94) (envelope-from ) id 1lP3t6-003WyQ-19; Wed, 24 Mar 2021 13:49:32 +0000 Date: Wed, 24 Mar 2021 13:49:31 +0000 Message-ID: <875z1gk6fo.wl-maz@kernel.org> From: Marc Zyngier To: Suzuki K Poulose 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 Subject: Re: [PATCH v5 05/19] arm64: Add support for trace synchronization barrier In-Reply-To: <7675ab71-c2ff-91e0-5728-fcb216ac1e0d@arm.com> 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> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: suzuki.poulose@arm.com, catalin.marinas@arm.com, mathieu.poirier@linaro.org, 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@arm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210324_134936_099745_6A93D5EC X-CRM114-Status: GOOD ( 31.41 ) 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 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. Thanks, M. -- Without deviation from the norm, progress is not possible. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel