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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 AE0E2C28CBC for ; Wed, 6 May 2020 16:11:33 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 84215208DB for ; Wed, 6 May 2020 16:11:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="QU6NrDdb"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="E0nSX+bW" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 84215208DB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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=bombadil.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=PlG/tbghTCFAXHXBBzGDzBJLuJv4Xt1p46mOeMi3krQ=; b=QU6NrDdbcrl2qS eurwStDhTNJwRxIvGr1Ud45R4Vi961rHqULuuyOatthDAnY8gg7jnk8r1vnRR+uMUbJojnIP2ep7Y GgB2poUj3iCGH6ps7EeLQmvp7B7zWVW81l5/+sU9KumQn4LxUU+wnEWXHht+66/NFQgftZFHDu0KH Vg9fBOyPaYdLB0DUph/EGuo8B8JfS/cKr8G9535rmyAKeIUxwDp342KYNw3QxnKT+yiPO6wQYqGXG q6HNAMLO4PISwh3HouTF/wNOK9qNjM2ki6okNeGFfJVV3mr5T+YzepB0643TEgIFpGCnC2Q6WaiIE h+6ohNRgQXaXVOhCq+CA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jWMdx-0002gU-24; Wed, 06 May 2020 16:11:33 +0000 Received: from mail-wr1-x442.google.com ([2a00:1450:4864:20::442]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jWMdt-0002f0-C9 for linux-arm-kernel@lists.infradead.org; Wed, 06 May 2020 16:11:30 +0000 Received: by mail-wr1-x442.google.com with SMTP id w7so2041199wre.13 for ; Wed, 06 May 2020 09:11:27 -0700 (PDT) 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:content-transfer-encoding:in-reply-to; bh=ccHp92st48Nd037ITInv0eAdbDDFis00uziuTe+q1ig=; b=E0nSX+bW00Ddp0psF0EByfyq8Ni2QAe5pChbjYo2gf+UT/8ZJtOBpIXzDN84y+c/mW SUAiVMlkKuJrN6721rsQo3Dt2Q6SeJq/m/pWZSoIajqLx9M2PbEATQmQxVJhIyrleym4 HSM/59egAF3uD+x6UCA4c3sgAIBdgS1swCEfe5rK5ozv9yFAhJSv/vdwaePVOYk4HYM2 mN9S2imVEyfCyScRycK9zXbVWaypXbF+Z4ibknJZh8uq41OYYhhZMQv4JKCeq0jkbhDN 1K/hERkgxHfM23kWxoLzW1YPPLK5/NHIyv3mOQdrQakgJaVV1B4ZdxzqvPkPrAQcHXvn CSCw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=ccHp92st48Nd037ITInv0eAdbDDFis00uziuTe+q1ig=; b=ltNF4Pbhd73+MQI0WOI1TIYtHeKyVR15LwgQGiIwF2EnlRxlW968KITJbDuYg9H0WE lLkIentjAN3dYg3liBsb8sNanwAbjedSPxoEjLq9W3Xx9bLsjGZ8jxbAlwWILdz3zVS3 Zc5qByYj76ke9/Yek5ut+6PX2xWNMkeuH9wAWW+F9jixF9DyWV926w2NyjKFkVqCpfHj DHhDxkACRjwHZprdn2npxW/8ycBuwyn12e/3viAPfTSBf/mUy9ssbcUyRpcLr91Klrnq mMqryQsxXppG1WoitfW+MXatmbRehuipZU8qEIqarjH+tAEscIHgTH9rb9hclghYxLST BTmQ== X-Gm-Message-State: AGi0PuZaBgSSBFG/agRNZ7+h0WAqIYVDvbXiJLk2DLacPqYKy/lIP64e WstG9u+lxczpqSkRo1RMDziYJw== X-Google-Smtp-Source: APiQypJTpSAXsnLNWvEdXxkkOJ3qN+jMw/pd1MjvwcFOp53i5/p8QQNNvHzCa+8uFno2u1+sszi2Mg== X-Received: by 2002:adf:eac6:: with SMTP id o6mr10160494wrn.297.1588781481916; Wed, 06 May 2020 09:11:21 -0700 (PDT) Received: from myrica ([2001:171b:226e:c200:c43b:ef78:d083:b355]) by smtp.gmail.com with ESMTPSA id x18sm3434942wmi.29.2020.05.06.09.11.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 May 2020 09:11:21 -0700 (PDT) Date: Wed, 6 May 2020 18:11:12 +0200 From: Jean-Philippe Brucker To: Tuan Phan Subject: Re: [PATCH] perf/smmuv3: Allow sharing MMIO registers with the SMMU driver Message-ID: <20200506161112.GA1197429@myrica> References: <20200421155745.19815-1-jean-philippe@linaro.org> <20200429072104.GA817954@myrica> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200506_091129_418746_14B69F4D X-CRM114-Status: GOOD ( 17.61 ) 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 , lorenzo.pieralisi@arm.com, Will Deacon , iommu@lists.linux-foundation.org, robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gV2VkLCBBcHIgMjksIDIwMjAgYXQgMTE6MDE6MDVBTSAtMDcwMCwgVHVhbiBQaGFuIHdyb3Rl Ogo+IAo+IAo+ID4gT24gQXByIDI5LCAyMDIwLCBhdCAxMjoyMSBBTSwgSmVhbi1QaGlsaXBwZSBC cnVja2VyIDxqZWFuLXBoaWxpcHBlQGxpbmFyby5vcmc+IHdyb3RlOgo+ID4gCj4gPiBPbiBUdWUs IEFwciAyOCwgMjAyMCBhdCAxMToxMDowOUFNIC0wNzAwLCBUdWFuIFBoYW4gd3JvdGU6Cj4gPj4g SSB0ZXN0ZWQgdGhpcyBwYXRjaCBvbiBIVywgaG93ZXZlciBJIG5lZWQgdG8gYWRkIG9uZSBtb3Jl IGZvbGxvd2luZyBjaGFuZ2UgdG8gbWFrZSBpdCB3b3Jrcwo+ID4gCj4gPiBUaGFua3MgZm9yIHRl c3RpbmcuIEkgZG9uJ3QgdW5kZXJzdGFuZCB3aHkgeW91IG5lZWQgdGhlIGNoYW5nZSBiZWxvdwo+ ID4gdGhvdWdoLCBkbyB5b3Uga25vdyB3aGljaCBvdGhlciByZWdpb24gaXMgY29uZmxpY3Rpbmcg d2l0aCB0aGUgU01NVT8KPiA+IEl0IHNob3VsZCBiZSBkaXNwbGF5ZWQgaW4gdGhlIGVycm9yIG1l c3NhZ2UgYW5kIC9wcm9jL2lvbWVtLgo+ID4gCj4gPiBUaGFua3MsCj4gPiBKZWFuCj4gCj4gVGhl IGVycm9yIGlmIEkgZG9u4oCZdCBhcHBseSB0aGF0IHBhdGNoOgo+IFsgICAgNC45NDM2NTVdIGFy bS1zbW11LXYzIGFybS1zbW11LXYzLjAuYXV0bzogY2FuJ3QgcmVxdWVzdCByZWdpb24gZm9yIHJl c291cmNlIFttZW0gMHgzYmZmZTAwMDAwMDAtMHgzYmZmZTAwMWZmZmZdCj4gCj4gVGhlIG91dHB1 dCBvZiAvcHJvYy9pb21lbSBmb3IgdGhhdCByZWdpb246Cj4gM2JmZmUwMDAwMDAwLTNiZmZlMDAx ZmZmZiA6IGFybS1zbW11LXYzLjAuYXV0byAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAKPiAgIDNiZmZlMDAwMjAwMC0zYmZmZTAwMDJmZmYgOiBh cm0tc21tdS12My1wbWNnLjE3LmF1dG8gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgIAo+ICAgM2JmZmUwMDEyMDAwLTNiZmZlMDAxMmZmZiA6IGFybS1zbW11LXYz LXBtY2cuMTcuYXV0byAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgCgpUaGFua3MgZm9yIHRoaXMuIEl0IGxvb2tzIGxpa2UgdGhlIHJlZ2lvbnMgYXJlIGFkZGVk IHRvIHRoZSByZXNvdXJjZSB0cmVlCnR3aWNlLCB3aGVuIGJvb3Rpbmcgd2l0aCBBQ1BJOgoKV2hl biB0aGUgSU9SVCBjcmVhdGVzIHRoZSBwbGF0Zm9ybSBkZXZpY2VzLCBwbGF0Zm9ybV9kZXZpY2Vf YWRkKCkgaW5zZXJ0cwp0aGVzZSByZXNvdXJjZXMgYnV0IGRvZXNuJ3QgbWFyayB0aGVtIGJ1c3ku IEFzIEkgd2FzIHRlc3Rpbmcgd2l0aApkZXZpY2V0cmVlIEkgd2FzIG1pc3NpbmcgdGhpcyBzdGVw LgoKVGhlbiB0aGUgU01NVSBwcm9iZSBjYWxscyBkZXZtX2lvcmVtYXBfcmVzb3VyY2UoKSwgd2hp Y2ggdHJpZXMgdG8gcmVzZXJ2ZQp0aGUgcmVzb3VyY2VzIGFuZCBtYXJrIHRoZW0gYnVzeSB0aGlz IHRpbWUuIElmIHRoZXJlIG9ubHkgd2FzIHRoZSBub24tYnVzeQpTTU1VIHJlZ2lvbiBpbnNlcnRl ZCBhYm92ZSwgdGhlbiBfX3JlcXVlc3RfcmVnaW9uKCkgd291bGQgYWRkcyB0aGUKcmVzZXJ2ZWQg cmVnaW9uIGFzIGEgY2hpbGQuIEhvd2V2ZXIgc2luY2UgdGhlcmUgYXJlIHNtYWxsZXIgUE1DRyBy ZWdpb25zCmFzIGNoaWxkcmVuIG9mIHRoZSBTTU1VIHJlZ2lvbiwgX19yZXF1ZXN0X3JlZ2lvbigp IGZhaWxzLgoKQW5vdGhlciBpZGVhIGlzIHRvIGF2b2lkIG1hcHBpbmcgdGhlIElNUERFRiByZWdp c3RlcnMgaW4gdGhlIFNNTVUgZHJpdmVyLgpJIHRoaW5rIGl0J3MgbmljZXIsIGFuZCBJJ2xsIHBv c3QgdGhhdCBwYXRjaCBzaG9ydGx5LgoKVGhhbmtzLApKZWFuCgoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxp c3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZy YWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=