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=-2.0 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 C745AC433FE for ; Wed, 15 Sep 2021 22:27:23 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 653D261131 for ; Wed, 15 Sep 2021 22:27:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 653D261131 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 21E4D406CB; Wed, 15 Sep 2021 22:27:23 +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 ATzENHAS407C; Wed, 15 Sep 2021 22:27:22 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp4.osuosl.org (Postfix) with ESMTPS id 0AF1C406CA; Wed, 15 Sep 2021 22:27:21 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id DA598C0011; Wed, 15 Sep 2021 22:27:21 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 59615C000D for ; Wed, 15 Sep 2021 22:27:20 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 3A40540520 for ; Wed, 15 Sep 2021 22:27:20 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp2.osuosl.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jKXaYAMphJRo for ; Wed, 15 Sep 2021 22:27:19 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.8.0 Received: from mail-pg1-x52b.google.com (mail-pg1-x52b.google.com [IPv6:2607:f8b0:4864:20::52b]) by smtp2.osuosl.org (Postfix) with ESMTPS id 693F24010D for ; Wed, 15 Sep 2021 22:27:19 +0000 (UTC) Received: by mail-pg1-x52b.google.com with SMTP id k24so4202400pgh.8 for ; Wed, 15 Sep 2021 15:27:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=Xjyd5hMkpqMPk7OhcHiCF4/y/tnGWYGZ0keB+odd2Ng=; b=PlXQITEvZmBc1n7tRBdgd+gUsoQd7z+WeqSbwCW0Y6fVI8yT/SQH/gZOWj1rEd5PGH swNw22KZC8xoIpuwIOQB0qBuBZBZVQWgdu04NyU6/ozEYdI57WYsUCIzwUwa/fXkskfb Alz/fQ0BjBNdtF+77mNK0GKHlJt/0rPr36QxGX+0/Gyr17UmSRlTyBf9gjrH2asTZyW/ gBPr3uUgJJ/xedmcsnp7l2LPZ4ZTqdm51B1jx6lrUzYPnij2Wz8OZIQrhM6EroN8hPM3 /F/NaGZD2ImE0QW0yTglhOgYeRTL9MoYcjhqUOgNuIyemHOGS5JDWeTfwft4goXa85x5 gfvg== 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:content-transfer-encoding :in-reply-to:user-agent; bh=Xjyd5hMkpqMPk7OhcHiCF4/y/tnGWYGZ0keB+odd2Ng=; b=RNa08tTcAaow2mY7G+XMOfsKLtc1qg2Pi5SZGJPaDiUMzMm7OR8oX/jNgeMhAJTY1C FxWAi7XRaoKvilZjl5zDkUNhpzTTz99y+Z8kaODWrdWpc7FiIjmN34ZzpQJdoGJlgAwU pQubyBrrlXsU3E3uJMoNqrIt0HoKveEsC3lnGvj3GxQ4oL/FLBM8VQTBEJzdtGvHYFhJ frxcRUlU176uLGyH2c4PyfzRaXOS3V3oiV+ud75GazxzGm6vNZn2H6PUwWjygY4r8VaK csivnFNghOgXjozZXxa1u+8YW72kqsRmmhTWL5VF6mqt8NWMfawCl4zLNKnir0rmRKjC vCmQ== X-Gm-Message-State: AOAM5310dULEWGMYkaozGckErNGCrYZQl49EexZjx8BZAvzxLRHqqGJ7 vlWgiraJPZgEXc/1xlu3O/I= X-Google-Smtp-Source: ABdhPJw3biDmUuN9v1ueAp+vI6CP+EYWCLxdUEgAvtkkJ6srbsFEnvpRNyy9gQ4borOgaHrubiOtQg== X-Received: by 2002:a63:555c:: with SMTP id f28mr1943370pgm.340.1631744838735; Wed, 15 Sep 2021 15:27:18 -0700 (PDT) Received: from Asurada-Nvidia (thunderhill.nvidia.com. [216.228.112.22]) by smtp.gmail.com with ESMTPSA id m12sm556664pjv.29.2021.09.15.15.27.17 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Wed, 15 Sep 2021 15:27:18 -0700 (PDT) Date: Wed, 15 Sep 2021 15:19:27 -0700 From: Nicolin Chen To: Dmitry Osipenko Subject: Re: [PATCH v6 6/6] iommu/tegra-smmu: Add pagetable mappings to debugfs Message-ID: <20210915221902.GA20845@Asurada-Nvidia> References: <20210914013858.31192-1-nicoleotsuka@gmail.com> <20210914013858.31192-7-nicoleotsuka@gmail.com> <31501a62-3312-9f04-3bb8-790d0481746c@gmail.com> <20210914184933.GA32705@Asurada-Nvidia> <25d68aff-323a-df54-45f9-55b22f3089e0@gmail.com> <20210915043806.GA19185@Asurada-Nvidia> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, jonathanh@nvidia.com, thierry.reding@gmail.com, linux-tegra@vger.kernel.org, will@kernel.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="utf-8" Content-Transfer-Encoding: base64 Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" T24gV2VkLCBTZXAgMTUsIDIwMjEgYXQgMDM6MDk6NDhQTSArMDMwMCwgRG1pdHJ5IE9zaXBlbmtv IHdyb3RlOgo+IDE1LjA5LjIwMjEgMDc6MzgsIE5pY29saW4gQ2hlbiDQv9C40YjQtdGCOgo+ID4g T24gVHVlLCBTZXAgMTQsIDIwMjEgYXQgMTA6MjA6MzBQTSArMDMwMCwgRG1pdHJ5IE9zaXBlbmtv IHdyb3RlOgo+ID4+IDE0LjA5LjIwMjEgMjE6NDksIE5pY29saW4gQ2hlbiDQv9C40YjQtdGCOgo+ ID4+PiBPbiBUdWUsIFNlcCAxNCwgMjAyMSBhdCAwNDoyOToxNVBNICswMzAwLCBEbWl0cnkgT3Np cGVua28gd3JvdGU6Cj4gPj4+PiAxNC4wOS4yMDIxIDA0OjM4LCBOaWNvbGluIENoZW4g0L/QuNGI 0LXRgjoKPiA+Pj4+PiArc3RhdGljIHVuc2lnbmVkIGxvbmcgcGRfcHRfaW5kZXhfaW92YSh1bnNp Z25lZCBpbnQgcGRfaW5kZXgsIHVuc2lnbmVkIGludCBwdF9pbmRleCkKPiA+Pj4+PiArewo+ID4+ Pj4+ICsJcmV0dXJuICgoZG1hX2FkZHJfdClwZF9pbmRleCAmIChTTU1VX05VTV9QREUgLSAxKSkg PDwgU01NVV9QREVfU0hJRlQgfAo+ID4+Pj4+ICsJICAgICAgICgoZG1hX2FkZHJfdClwdF9pbmRl eCAmIChTTU1VX05VTV9QVEUgLSAxKSkgPDwgU01NVV9QVEVfU0hJRlQ7Cj4gPj4+Pj4gK30KPiA+ Pj4+Cj4gPj4+PiBXZSBrbm93IHRoYXQgSU9WQSBpcyBmaXhlZCB0byB1MzIgZm9yIHRoaXMgY29u dHJvbGxlci4gQ2FuIHdlIGF2b2lkIGFsbAo+ID4+Pj4gdGhlc2UgZG1hX2FkZHJfdCBjYXN0aW5n cz8gSXQgc2hvdWxkIG1ha2UgY29kZSBjbGVhbmVyIGEgdGFkLCBJTU8uCj4gPj4+Cj4gPj4+IFRl Z3JhMjEwIGFjdHVhbGx5IHN1cHBvcnRzIDM0LWJpdCBJT1ZBLi4uCj4gPj4+Cj4gPj4KPiA+PiBJ dCBkb2Vzbid0LiAzNC1iaXQgaXMgUEEsIDMyLWJpdCBpcyBWQS4KPiA+Pgo+ID4+IFF1b3RlIGZy b20gVDIxMCBUUk06Cj4gPj4KPiA+PiAiVGhlIFNNTVUgaXMgYSBjZW50cmFsaXplZCB2aXJ0dWFs LXRvLXBoeXNpY2FsIHRyYW5zbGF0aW9uIGZvciBNU1MuIEl0Cj4gPj4gbWFwcyBhIDMyLWJpdCB2 aXJ0dWFsIGFkZHJlc3MgdG8gYSAzNC1iaXQgcGh5c2ljYWwgYWRkcmVzcy4gSWYgdGhlCj4gPj4g Y2xpZW50IGFkZHJlc3MgaXMgNDAgYml0cyB0aGVuIGJpdHMgMzk6MzIgYXJlIGlnbm9yZWQuIgo+ ID4gCj4gPiBJZiB5b3Ugc2Nyb2xsIGRvd24gYnkgYSBjb3VwbGUgb2Ygc2VjdGlvbnMsIHlvdSBj YW4gc2VlIDM0LWJpdAo+ID4gdmlydHVhbCBhZGRyZXNzZXMgaW4gc2VjdGlvbiAxOC42LjEuMjsg YW5kIGlmIGNoZWNraW5nIG9uZSBBU0lECj4gPiByZWdpc3RlciwgeW91IGNhbiBzZWUgaXQgbWVu dGlvbiB0aGUgZXh0cmEgdHdvIGJpdHMgdmFbMzM6MzJdLgo+IAo+IFRoYW5rcyBmb3IgdGhlIHBv aW50ZXIuIEl0IHNheXMgdGhhdCBvbmx5IGNlcnRhaW4gbWVtb3J5IGNsaWVudHMgYWxsb3cKPiB0 byBjb21iaW5lIDQgQVNJRHMgdG8gZm9ybSAzNGJpdCBWQSBzcGFjZS4gSW4gdGhpcyBjYXNlIHRo ZSBQQSBzcGFjZSBpcwo+IHNwbGl0IGludG8gNEdCIGFyZWFzIGFuZCB0aGVyZSBhcmUgYWRkaXRp b25hbCBiaXRmaWVsZHMgd2hpY2ggY29uZmlndXJlCj4gdGhlIEFTSUQgbWFwcGluZyBvZiBlYWNo IDRHQiBhcmVhLiBTdGlsbCBlYWNoIEFTSUQgaXMgMzJiaXQuCgpUcnVlLgoKPiBUaGlzIGlzIHdo YXQgVFJNIHNheXM6Cj4gCj4gIkZvciB0aGUgR1BVIGFuZCBvdGhlciBjbGllbnRzIHdpdGggMzQt Yml0IGFkZHJlc3MgaW50ZXJmYWNlcywgdGhlIEFTSUQKPiByZWdpc3RlcnMgYXJlIGV4dGVuZGVk IHRvIHBvaW50IHRvIGZvdXIgQVNJRHMuIFRoZSBTTU1VIHN1cHBvcnRzIDRHQiBvZgo+IHZpcnR1 YWwgYWRkcmVzcyBzcGFjZSBwZXIgQVNJRCwgc28gbWFwcGluZyBhZGRyWzMzOjMyXSBpbnRvIEFT SURbMTowXQo+IGV4dGVuZHMgdGhlIHZpcnR1YWwgYWRkcmVzcyBzcGFjZSBvZiBhIGNsaWVudCB0 byAxNkdCLiIKPiAKPiA+IEhvd2V2ZXIsIHRoZSBkcml2ZXIgY3VycmVudGx5IHNldHMgaXRzIGdl b21ldHJ5LmFwZXJ0dXJlX2VuZCB0bwo+ID4gMzItYml0LCBhbmQgd2UgY2FuIG9ubHkgZ2V0IDMy LWJpdCBJT1ZBcyB1c2luZyBQREUgYW5kIFBURSBvbmx5LAo+ID4gc28gSSB0aGluayBpdCBzaG91 bGQgYmUgc2FmZSB0byByZW1vdmUgdGhlIGNhc3RpbmdzIGhlcmUuIEknbGwKPiA+IHdhaXQgZm9y IGEgY291cGxlIG9mIGRheXMgYW5kIHNlZSBpZiB0aGVyZSdkIGJlIG90aGVyIGNvbW1lbnRzCj4g PiBmb3IgbWUgdG8gYWRkcmVzcyBpbiBuZXh0IHZlcnNpb24uCj4gCj4gWW91IHdpbGwgbmVlZCB0 byByZWFkIHRoZSBzcGVjaWFsICJBU0lEIEFzc2lnbm1lbnQgUmVnaXN0ZXIiIHdoaWNoCj4gc3Vw cG9ydHMgNCBzdWItQVNJRHMgdG8gdHJhbnNsYXRlIHRoZSBQQSBhZGRyZXNzIGludG8gdGhlIGFj dHVhbCBWQS4gQnkKPiBkZWZhdWx0IGFsbCBjbGllbnRzIGFyZSBsaW1pdGVkIHRvIGEgc2luZ2xl IEFTSUQgYW5kIHVwc3RyZWFtIGtlcm5lbAo+IGRvZXNuJ3Qgc3VwcG9ydCBwcm9ncmFtbWluZyBv ZiAzNGJpdCBWQXMuIFNvIGRvZXNuJ3Qgd29ydGggdGhlIGVmZm9ydCB0bwo+IGZ1bGx5IHRyYW5z bGF0ZSB0aGUgVkEsIElNTy4KClllYS4gSXQnZCBiZSBlYXNpZXIgdG8ganVzdCBzdGF5IGluIDMy LWJpdC4gSSB3aWxsIHJlbW92ZSB0aG9zZQpjYXN0aW5ncyBpbiB0aGUgbmV4dCB2ZXJzaW9uLCB3 YWl0aW5nIGZvciBUaGllcnJ5IHRha2luZyBhIGxvb2sKYXQgdGhpcyB2NiBmaXJzdC4KX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KaW9tbXUgbWFpbGluZyBs aXN0CmlvbW11QGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhm b3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lvbW11