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=-7.8 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,NICE_REPLY_A,SIGNED_OFF_BY, 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 52365C47423 for ; Tue, 29 Sep 2020 17:42:59 +0000 (UTC) Received: from fraxinus.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 9DA02208B8 for ; Tue, 29 Sep 2020 17:42:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="a74V0z1z" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9DA02208B8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 2716885FAC; Tue, 29 Sep 2020 17:42:58 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id PAqoDOvedpF1; Tue, 29 Sep 2020 17:42:57 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by fraxinus.osuosl.org (Postfix) with ESMTP id A614285F98; Tue, 29 Sep 2020 17:42:57 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 9193CC0890; Tue, 29 Sep 2020 17:42:57 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 86335C016F for ; Tue, 29 Sep 2020 17:42:56 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 740C486566 for ; Tue, 29 Sep 2020 17:42:56 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bO3j2P1ZpWBn for ; Tue, 29 Sep 2020 17:42:55 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail-lj1-f193.google.com (mail-lj1-f193.google.com [209.85.208.193]) by whitealder.osuosl.org (Postfix) with ESMTPS id 6E69685B6F for ; Tue, 29 Sep 2020 17:42:55 +0000 (UTC) Received: by mail-lj1-f193.google.com with SMTP id b19so4720364lji.11 for ; Tue, 29 Sep 2020 10:42:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=DwNtPpUEmgv0ELsT/GqVFAjoTGKCyKCMhl5EuEZOqf4=; b=a74V0z1zlws1Etorsyv0teGeF7Ww3xR72S0PqC1EmOP5h/Lk4aOr/FhYBm0+5AxlCZ prB6QnA+MMHs6wrpZugs6dMf4e9tAR2mwDBsUvg1p8COupXMSCpdeCS++oAd0VJvYpGc CX0zbaO3VQA3YSMwWwsNCyQnDoY6IvB1igj1cVEqEjRiLq+dfJp6SQxI3LmzGwcjVFLj AyYodil/IujXs1Go4DTxg0ir37eylXa6WWDD4nYV8oblkjXrkQOq2kFB4DmmH7VXkebx FOjm73Gu+0OhpSswGj8uJ0DXvkBsPM+/iNXwUk6ZI3pFpxEGrz9ZZ96jUXMJv35Oe/Kp LawA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=DwNtPpUEmgv0ELsT/GqVFAjoTGKCyKCMhl5EuEZOqf4=; b=D/botLDk1FwYZtx2llsP55ICrVAe6/xFOVzjUFdFHzhzLqQy2lt3o6iuM552Nt7Eca r4Ig1KfTHQsuIMl1wNobYBDW+JyW17N/2cg06SUUfeP+7uOBRG33XnBcVtUJwwzuodBk +vb4Mb+SfXFLdv6NDRddeeE6QuIObxVNJpAaJg7edUzZbQ4vPfz+wmonYBqodtRcQcyP SVi40yb7AgL3X6BAXW0nknQ1whcx3NFLqHgH2Xp0E6VbsXu5fzujX++bf4ufYXGpGkvg QB9QY1ASDSVrciI4TLqv750bgAoymp3c9OaOaOD1PzEe3P7p42GwPZbTCkVn4d1IMVsb 6bLg== X-Gm-Message-State: AOAM532aGtRDFjEPeL+dwczV1OoaDZiJtnkiMAJZ4MetejQUhKPqd9AV 8qHXalMVd4pYxfs686kVoZA= X-Google-Smtp-Source: ABdhPJzsDCimFDVDMHaNwlvDskQRdaVTUV8i1sA1CVb2qNn1JAlvxWTfMO0og2S/0kxElaiynX1j0Q== X-Received: by 2002:a2e:895a:: with SMTP id b26mr1577495ljk.468.1601401373499; Tue, 29 Sep 2020 10:42:53 -0700 (PDT) Received: from [192.168.2.145] (109-252-170-211.dynamic.spd-mgts.ru. [109.252.170.211]) by smtp.googlemail.com with ESMTPSA id n8sm418776ljj.69.2020.09.29.10.42.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 29 Sep 2020 10:42:53 -0700 (PDT) Subject: Re: [PATCH v4 2/2] iommu/tegra-smmu: Expand mutex protection range To: Nicolin Chen , thierry.reding@gmail.com, joro@8bytes.org References: <20200929061325.10197-1-nicoleotsuka@gmail.com> <20200929061325.10197-3-nicoleotsuka@gmail.com> From: Dmitry Osipenko Message-ID: <184163e9-01d4-dcc5-0adf-a3d175e56f16@gmail.com> Date: Tue, 29 Sep 2020 20:42:52 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200929061325.10197-3-nicoleotsuka@gmail.com> Content-Language: en-US Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, jonathanh@nvidia.com, hch@infradead.org, linux-tegra@vger.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" MjkuMDkuMjAyMCAwOToxMywgTmljb2xpbiBDaGVuINC/0LjRiNC10YI6Cj4gVGhpcyBpcyB1c2Vk IHRvIHByb3RlY3QgcG90ZW50aWFsIHJhY2UgY29uZGl0aW9uIGF0IHVzZV9jb3VudC4KPiBzaW5j ZSBwcm9iZXMgb2YgY2xpZW50IGRyaXZlcnMsIGNhbGxpbmcgYXR0YWNoX2RldigpLCBtYXkgcnVu Cj4gY29uY3VycmVudGx5Lgo+IAo+IFNpZ25lZC1vZmYtYnk6IE5pY29saW4gQ2hlbiA8bmljb2xl b3RzdWthQGdtYWlsLmNvbT4KPiAtLS0KCkl0J3MgYWx3YXlzIGJldHRlciBub3QgdG8gbWl4IHN1 Y2Nlc3MgYW5kIGVycm9yIGNvZGUgcGF0aHMgaW4gb3JkZXIgdG8Ka2VlcCBjb2RlIHJlYWRhYmxl LCBidXQgbm90IGEgYmlnIGRlYWwgaW4gdGhlIGNhc2Ugb2YgdGhpcyBwYXJ0aWN1bGFyCnBhdGNo IHNpbmNlIHRoZSBjaGFuZ2VkIGNvZGUgaXMgcXVpdGUgc2ltcGxlLiBQbGVhc2UgdHJ5IHRvIGF2 b2lkIGRvaW5nCnRoaXMgaW4gdGhlIGZ1dHVyZSBwYXRjaGVzLgoKQWxzbywgcGxlYXNlIG5vdGUg dGhhdCBpbiBnZW5lcmFsIGl0J3MgYmV0dGVyIHRvIHVzZSBsb2NrZWQvdW5sb2NrZWQKdmVyc2lv bnMgZm9yIHRoZSBmdW5jdGlvbnMgbGlrZSBpdCdzIGFscmVhZHkgZG9uZSBmb3IKdGVncmFfc21t dV9tYXAvdW5tYXAsIHRoaXMgd2lsbCByZW1vdmUgdGhlIG5lZWQgdG8gbWFpbnRhaW4gbG9ja2lu Z3MgaW4KdGhlIGNvZGUuIFRoZSBjb2RlIHRvdWNoZWQgYnkgdGhpcyBwYXRjaCBkb2Vzbid0IGhh dmUgY29tcGxpY2F0ZWQgY29kZQpwYXRocywgc28gaXQncyBnb29kIGVub3VnaCB0byBtZS4KClJl dmlld2VkLWJ5OiBEbWl0cnkgT3NpcGVua28gPGRpZ2V0eEBnbWFpbC5jb20+Cl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmlvbW11IG1haWxpbmcgbGlzdApp b21tdUBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRh dGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby9pb21tdQ==