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=-8.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 EAA65C433DF for ; Wed, 15 Jul 2020 08:32:04 +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 B596D20657 for ; Wed, 15 Jul 2020 08:32:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="JV0t+mae"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="dQznYcTp" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B596D20657 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=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=F20LKOpAZsXpVy6d6CVCllaQ3lXO+cVxlNT36XRTGcs=; b=JV0t+maeIEsrsOrXp8I1WQynQ Esp2lQOVV2owIXrAPbjBgXgTF+sSmEO4bPkcbo1Y47PMVjp067xyIkdJ5ZtTuwnEV/Tk63vI1bw9p dyDJGXuO2zpNkRJNC+TSB3TCd5Z8SEmLgETUpgdbXeXakYkrbuKx2aeT06z9RIyK7J9kPQ5Rm7+RK qxy9sknt18SJZkvro2jcprJu2Ke3INFH7guQi76r6owOEY1fwDpC/Wh8clk6XCyn+tEx7ydXJxwxU 7spensmakbPa9TJW3Jn5sJUgJkLy/EJvVqvY1TKqQM4Z5fxWXkduVt/QULDEvSPSG6Wuyk28GUsq/ m4qHSf0VQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jvcoC-0005Mv-D4; Wed, 15 Jul 2020 08:30:32 +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 1jvco3-0005Jq-NX for linux-arm-kernel@lists.infradead.org; Wed, 15 Jul 2020 08:30:24 +0000 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (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 4B4CA20657; Wed, 15 Jul 2020 08:30:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594801822; bh=WDUrHfDBynWOQYaHlD7ZA0aOIiAjAZBjHlYA/2JEtXQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dQznYcTpJ6uIZYxjbsa3EFFZ+Rtfly2yeUwEHNIl5vOve/r75JqBH79CwCSeKrZ8k Mx1rABjYB/QXQiA0x4BEKClOLKbgoWoDy5Sq9EMfRDmTev4i2PG2w0ic/S1R0T9u6p 6s8TQaHNTnWL94kCou57dIBEKdeTk6DWSVHo2lhI= Date: Wed, 15 Jul 2020 09:30:17 +0100 From: Will Deacon To: John Garry Subject: Re: [PATCH] drivers/perf: hisi: Add identifier sysfs file Message-ID: <20200715083016.GB5683@willie-the-truck> References: <1592399111-134786-1-git-send-email-john.garry@huawei.com> <20200714083216.GD4516@willie-the-truck> <67db3c30-5aaf-ac17-0256-950494f5ba88@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <67db3c30-5aaf-ac17-0256-950494f5ba88@huawei.com> 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-20200715_043023_909123_61FD20D4 X-CRM114-Status: GOOD ( 18.91 ) 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, linuxarm@huawei.com, linux-kernel@vger.kernel.org, qiangqing.zhang@nxp.com, zhangshaokun@hisilicon.com, jolsa@redhat.com, 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 Hi John, On Wed, Jul 15, 2020 at 09:23:19AM +0100, John Garry wrote: > > On Wed, Jun 17, 2020 at 09:05:11PM +0800, John Garry wrote: > > > To allow userspace to identify the specific implementation of the device, > > > add an "identifier" sysfs file. > > > > > > Encoding is as follows: > > > hi1620: 0x0 (aka hip08) > > > hi1630: 0x30 > > > > > > Signed-off-by: John Garry > > > > I'm struggling a bit to track this. If you still think it's worth pursuing, > > please could you post a series with a cover-letter describing what this is > > for, a link to the userspace changes and then patches for all the PMU > > drivers that need updating? > > There is no hi1630 userspace support yet. > > So what I can do is post updated userspace support (including hi1630), and > then post kernel parts together for all drivers we could initially support. > > @Joakim, I'll pick your imx driver changes here, if you don't mind. > > There was an RFC from you for the SMMUv3 PMU as > > well, and also some other "arm64" changes. > > > > I hope to drop that RFC if an updated SMMUv3 spec helps us out. Thanks, John. That should be a tonne easier to review. Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel