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=-10.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_NONE,USER_AGENT_SANE_1 autolearn=ham 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 91103C47092 for ; Tue, 1 Jun 2021 15:51:39 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 CE47B613AD for ; Tue, 1 Jun 2021 15:51:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CE47B613AD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=huawei.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 smtp2.osuosl.org (Postfix) with ESMTP id 8F90C40288; Tue, 1 Jun 2021 15:51:38 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org 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 p9KBBcAbyySV; Tue, 1 Jun 2021 15:51:37 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp2.osuosl.org (Postfix) with ESMTP id 8395C400F4; Tue, 1 Jun 2021 15:51:37 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 67F2EC000E; Tue, 1 Jun 2021 15:51:37 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [IPv6:2605:bc80:3010::137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 75054C0001 for ; Tue, 1 Jun 2021 15:51:36 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 50C2640410 for ; Tue, 1 Jun 2021 15:51:36 +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 l0YKXGeSjRPp for ; Tue, 1 Jun 2021 15:51:34 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by smtp4.osuosl.org (Postfix) with ESMTPS id 6D43840407 for ; Tue, 1 Jun 2021 15:51:34 +0000 (UTC) Received: from fraeml735-chm.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4Fvc195RKCz6Q3Df; Tue, 1 Jun 2021 23:45:01 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml735-chm.china.huawei.com (10.206.15.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Tue, 1 Jun 2021 17:51:31 +0200 Received: from [10.47.91.52] (10.47.91.52) by lhreml724-chm.china.huawei.com (10.201.108.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Tue, 1 Jun 2021 16:51:30 +0100 Subject: Re: [PATCH] iommu: Print default strict or lazy mode at init time To: Robin Murphy , , References: <1622209074-37899-1-git-send-email-john.garry@huawei.com> <3ee986a0-29c1-100c-c72f-360f919caf7d@arm.com> From: John Garry Message-ID: Date: Tue, 1 Jun 2021 16:50:39 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.1.2 MIME-Version: 1.0 In-Reply-To: <3ee986a0-29c1-100c-c72f-360f919caf7d@arm.com> Content-Language: en-US X-Originating-IP: [10.47.91.52] X-ClientProxiedBy: lhreml729-chm.china.huawei.com (10.201.108.80) To lhreml724-chm.china.huawei.com (10.201.108.75) X-CFilter-Loop: Reflected Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, hch@lst.de 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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" T24gMDEvMDYvMjAyMSAxMDowOSwgUm9iaW4gTXVycGh5IHdyb3RlOgo+PiBkaWZmIC0tZ2l0IGEv ZHJpdmVycy9pb21tdS9pb21tdS5jIGIvZHJpdmVycy9pb21tdS9pb21tdS5jCj4+IGluZGV4IDgw OGFiNzBkNWRmNS4uZjI1ZmFlNjJmMDc3IDEwMDY0NAo+PiAtLS0gYS9kcml2ZXJzL2lvbW11L2lv bW11LmMKPj4gKysrIGIvZHJpdmVycy9pb21tdS9pb21tdS5jCj4+IEBAIC0xMzgsNiArMTM4LDEx IEBAIHN0YXRpYyBpbnQgX19pbml0IGlvbW11X3N1YnN5c19pbml0KHZvaWQpCj4+IMKgwqDCoMKg wqDCoMKgwqDCoCAoaW9tbXVfY21kX2xpbmUgJiBJT01NVV9DTURfTElORV9ETUFfQVBJKSA/Cj4+ IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgICIoc2V0IHZpYSBrZXJuZWwgY29tbWFuZCBsaW5l KSIgOiAiIik7Cj4+ICvCoMKgwqAgcHJfaW5mbygiRGVmYXVsdCBETUEgZG9tYWluIG1vZGU6ICVz ICVzXG4iLAo+IAo+IE5pdDogSSB0aGluayB0aGlzIG1pZ2h0IGJlIGEgbGl0dGxlIHVuY2xlYXIg Zm9yIGVuZC11c2VycyAtICpJJ20qIG5vdCAKPiBldmVuIHN1cmUgd2hldGhlciAiRGVmYXVsdCIg aGVyZSBpcyBtZWFudCB0byByZWZlciB0byB0aGUgbW9kZSBzZXR0aW5nIAo+IGl0c2VsZiBvciB0 byBkZWZhdWx0IGRvbWFpbnMgKG9mIERNQSB0eXBlKS4gTWF5YmUgc29tZXRoaW5nIGxpa2UgIkRN QSAKPiBkb21haW4gVExCIGludmFsaWRhdGlvbiBwb2xpY3kiPyBDZXJ0YWlubHkgaXQgc2VlbXMg bGlrZSBhIGdvb2QgaWRlYSB0byAKPiBleHBsaWNpdGx5IG1lbnRpb24gaW52YWxpZGF0aW9uIHRv IGNvcnJlbGF0ZSB3aXRoIHRoZSBkb2N1bWVudGF0aW9uIG9mIAo+IHRoZSAiaW9tbXUuc3RyaWN0 IiBwYXJhbWV0ZXIuCj4gCj4gQWNrIHRvIHRoZSBnZW5lcmFsIGlkZWEgdGhvdWdoLgoKb2ssIHNv IEknbGwgZ28gd2l0aCB0aGlzOgoKcHJfaW5mbygiRE1BIGRvbWFpbiBkZWZhdWx0IFRMQiBpbnZh bGlkYXRpb24gcG9saWN5OiAlcyBtb2RlICVzXG4iLAogICAgICAgICAgICAgICBpb21tdV9kbWFf c3RyaWN0ID8gInN0cmljdCIgOiAibGF6eSIsCiAgICAgICAgICAgICAgICAoaW9tbXVfY21kX2xp bmUgJiBJT01NVV9DTURfTElORV9TVFJJQ1QpID8KICAgICAgICAgICAgICAgICAgICAgICAgIihz ZXQgdmlhIGtlcm5lbCBjb21tYW5kIGxpbmUpIiA6ICIiKTsKCkkgdGhpbmsgaXQncyB3b3J0aCBt ZW50aW9uaW5nICJkZWZhdWx0IiBzb21ld2hlcmUsIGFzIG5vdCBhbGwgSU9NTVVzIG9yIApkZXZp Y2VzIHdpbGwgdXNlIGxhenkgbW9kZSBldmVuIGlmIGl0J3MgZGVmYXVsdC4KClRoYW5rcywKSm9o bgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwppb21tdSBt YWlsaW5nIGxpc3QKaW9tbXVAbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0 cy5saW51eGZvdW5kYXRpb24ub3JnL21haWxtYW4vbGlzdGluZm8vaW9tbXU=