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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BF669C433EF for ; Tue, 7 Dec 2021 14:04:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237514AbhLGOHh (ORCPT ); Tue, 7 Dec 2021 09:07:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38476 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237516AbhLGOHh (ORCPT ); Tue, 7 Dec 2021 09:07:37 -0500 Received: from mail-pg1-x52c.google.com (mail-pg1-x52c.google.com [IPv6:2607:f8b0:4864:20::52c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D689C061574 for ; Tue, 7 Dec 2021 06:04:07 -0800 (PST) Received: by mail-pg1-x52c.google.com with SMTP id g16so5512926pgi.1 for ; Tue, 07 Dec 2021 06:04:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=uUMLiNh/bSzrS43lAqDC9c682in0XTRAfDruWLqNFmE=; b=SYUTMmCU+Y2f8WNZJs4lt3PIdlJ9b+cI4l1BsoFipX8rC9deEq400ZLQP0o8ZiA4vC hKNpJJ9OeBi5IqdsdF2L3gNcuSfkmk/vaVaWOhPduRjd8ANsGLjvnskJhbhAQC8IBl2y kUOMXpo0+Lp1CsRgzK/5QOqS/Xx9lga/AWXTrQmyTk/RpGKTpHsmZHloi4fP57yD5J40 DzFj2I1uhLrAjBNereixnEIGie+pO80UHgC+mxrauCrjcssw6SX9y7njLk0YjPNXeUdM QvXQz6tExD67LXaPKuvYgDjSSknxpIla0+3mIEB9HD9h7lA+l8EDbFSfMbSG+/8eWeF5 B5Zg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=uUMLiNh/bSzrS43lAqDC9c682in0XTRAfDruWLqNFmE=; b=LH+5X5kI73l6qAQpL7IbEs9g8ZEtfej51Nf6DW1BMEHWGjNV4FV2TL+eOKYGZ2d3lM uiWEEyCGtXfZdoNxCf/NdnPVp/O1NGFjdP0vE2Zskm1g5YxvZtGvZayH/mFu9+eh24EA tL7/6U5jkiIvUnxGMNnAef2GbCvCR+SK1k53xuwZLiwI3Z9uFtRxHuJUuWI+qDbBaq3b Ioom0fMYQEuI5ubQtSAsl/fxzMD8lweOPUzORL66lSGVjvXssQS2uJR82UR/grHbEn1E hb1a/1G4jQw3HKKtcjXJZdCsV+nCm/KWYz2VRJh9MS82R5NlEgC5d/bIUkZXUA3Eo6Mg 3kRg== X-Gm-Message-State: AOAM531pt7XEKVvJSfEbTyDTfnZ9tsVU9jmT63fNiXs15qB5WP160Twp MZ8kLJUqmL6fObsunMRieXFtRA== X-Google-Smtp-Source: ABdhPJyHIlrdgCmOSeODZKEXgmwArMZ8OyS/M4e8Py4QlUyrwOAc9DhuSEAI/jN+lC7Z7UQ0FTBstQ== X-Received: by 2002:a63:110:: with SMTP id 16mr23644069pgb.498.1638885846603; Tue, 07 Dec 2021 06:04:06 -0800 (PST) Received: from leoy-ThinkPad-X240s ([2602:feda:dd4:2c9c:bf78:9bf6:6aab:c7a8]) by smtp.gmail.com with ESMTPSA id a18sm15425723pfn.185.2021.12.07.06.04.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Dec 2021 06:04:06 -0800 (PST) Date: Tue, 7 Dec 2021 22:04:01 +0800 From: Leo Yan To: John Garry Cc: Robin Murphy , Jean-Philippe Brucker , mark.rutland@arm.com, devicetree@vger.kernel.org, iommu@lists.linux-foundation.org, uchida.jun@socionext.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, robh+dt@kernel.org Subject: Re: [PATCH v2 3/3] perf/smmuv3: Synthesize IIDR from CoreSight ID registers Message-ID: <20211207140401.GA273781@leoy-ThinkPad-X240s> References: <20211117144844.241072-1-jean-philippe@linaro.org> <20211117144844.241072-4-jean-philippe@linaro.org> <766ac58a-ffb7-f673-709b-0f0f740f3cfd@arm.com> <53f868a8-c7ae-b69d-b061-bb0a7dc98f8a@huawei.com> <20211207132007.GB255238@leoy-ThinkPad-X240s> <675bfd78-69ac-608f-1303-e86b90a83f72@arm.com> <20211207135904.GH42658@leoy-ThinkPad-X240s> <2ece685e-84fb-cec2-522e-70680bcf9370@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2ece685e-84fb-cec2-522e-70680bcf9370@huawei.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Tue, Dec 07, 2021 at 02:00:35PM +0000, John Garry wrote: > On 07/12/2021 13:59, Leo Yan wrote: > > > Whether other implementers might retroactively define "equivalent" IIDR > > > values for their existing implementations in a way we could potentially > > > quirk in the driver is an orthogonal question. > > Agreed, it makes sense that supports the standard IP modules in > > the mainline kernel at this stage. > > > > Thanks for explanation. > > Leo, if you really want this to work on D06, I could also hack some > out-of-tree perf tool patches for you. I'm not sure if you're interested in > that. Let me know. No, please don't spend time on this. I just use D06 platform to verify SMMUv3 relevant patches, but have no requirement for profiling SMMUv3 on it. Anyway, thanks a lot! Leo 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 Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 858D6C433F5 for ; Tue, 7 Dec 2021 14:04:12 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 2907D40935; Tue, 7 Dec 2021 14:04:12 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id b0_kdcGNMQMb; Tue, 7 Dec 2021 14:04:10 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp4.osuosl.org (Postfix) with ESMTPS id E66E1401D6; Tue, 7 Dec 2021 14:04:09 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 9893CC002F; 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Tue, 07 Dec 2021 06:04:06 -0800 (PST) Received: from leoy-ThinkPad-X240s ([2602:feda:dd4:2c9c:bf78:9bf6:6aab:c7a8]) by smtp.gmail.com with ESMTPSA id a18sm15425723pfn.185.2021.12.07.06.04.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Dec 2021 06:04:06 -0800 (PST) Date: Tue, 7 Dec 2021 22:04:01 +0800 From: Leo Yan To: John Garry Subject: Re: [PATCH v2 3/3] perf/smmuv3: Synthesize IIDR from CoreSight ID registers Message-ID: <20211207140401.GA273781@leoy-ThinkPad-X240s> References: <20211117144844.241072-1-jean-philippe@linaro.org> <20211117144844.241072-4-jean-philippe@linaro.org> <766ac58a-ffb7-f673-709b-0f0f740f3cfd@arm.com> <53f868a8-c7ae-b69d-b061-bb0a7dc98f8a@huawei.com> <20211207132007.GB255238@leoy-ThinkPad-X240s> <675bfd78-69ac-608f-1303-e86b90a83f72@arm.com> <20211207135904.GH42658@leoy-ThinkPad-X240s> <2ece685e-84fb-cec2-522e-70680bcf9370@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <2ece685e-84fb-cec2-522e-70680bcf9370@huawei.com> Cc: mark.rutland@arm.com, Jean-Philippe Brucker , devicetree@vger.kernel.org, will@kernel.org, iommu@lists.linux-foundation.org, robh+dt@kernel.org, uchida.jun@socionext.com, Robin Murphy , linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Tue, Dec 07, 2021 at 02:00:35PM +0000, John Garry wrote: > On 07/12/2021 13:59, Leo Yan wrote: > > > Whether other implementers might retroactively define "equivalent" IIDR > > > values for their existing implementations in a way we could potentially > > > quirk in the driver is an orthogonal question. > > Agreed, it makes sense that supports the standard IP modules in > > the mainline kernel at this stage. > > > > Thanks for explanation. > > Leo, if you really want this to work on D06, I could also hack some > out-of-tree perf tool patches for you. I'm not sure if you're interested in > that. Let me know. No, please don't spend time on this. I just use D06 platform to verify SMMUv3 relevant patches, but have no requirement for profiling SMMUv3 on it. Anyway, thanks a lot! Leo _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id A2B71C433F5 for ; Tue, 7 Dec 2021 14:39:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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Tue, 07 Dec 2021 06:04:06 -0800 (PST) Received: from leoy-ThinkPad-X240s ([2602:feda:dd4:2c9c:bf78:9bf6:6aab:c7a8]) by smtp.gmail.com with ESMTPSA id a18sm15425723pfn.185.2021.12.07.06.04.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Dec 2021 06:04:06 -0800 (PST) Date: Tue, 7 Dec 2021 22:04:01 +0800 From: Leo Yan To: John Garry Cc: Robin Murphy , Jean-Philippe Brucker , mark.rutland@arm.com, devicetree@vger.kernel.org, iommu@lists.linux-foundation.org, uchida.jun@socionext.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, robh+dt@kernel.org Subject: Re: [PATCH v2 3/3] perf/smmuv3: Synthesize IIDR from CoreSight ID registers Message-ID: <20211207140401.GA273781@leoy-ThinkPad-X240s> References: <20211117144844.241072-1-jean-philippe@linaro.org> <20211117144844.241072-4-jean-philippe@linaro.org> <766ac58a-ffb7-f673-709b-0f0f740f3cfd@arm.com> <53f868a8-c7ae-b69d-b061-bb0a7dc98f8a@huawei.com> <20211207132007.GB255238@leoy-ThinkPad-X240s> <675bfd78-69ac-608f-1303-e86b90a83f72@arm.com> <20211207135904.GH42658@leoy-ThinkPad-X240s> <2ece685e-84fb-cec2-522e-70680bcf9370@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <2ece685e-84fb-cec2-522e-70680bcf9370@huawei.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211207_060407_891332_22B92859 X-CRM114-Status: GOOD ( 16.27 ) 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 Tue, Dec 07, 2021 at 02:00:35PM +0000, John Garry wrote: > On 07/12/2021 13:59, Leo Yan wrote: > > > Whether other implementers might retroactively define "equivalent" IIDR > > > values for their existing implementations in a way we could potentially > > > quirk in the driver is an orthogonal question. > > Agreed, it makes sense that supports the standard IP modules in > > the mainline kernel at this stage. > > > > Thanks for explanation. > > Leo, if you really want this to work on D06, I could also hack some > out-of-tree perf tool patches for you. I'm not sure if you're interested in > that. Let me know. No, please don't spend time on this. I just use D06 platform to verify SMMUv3 relevant patches, but have no requirement for profiling SMMUv3 on it. Anyway, thanks a lot! Leo _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel