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 smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (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 11E36C433F5 for ; Tue, 14 Dec 2021 17:50:53 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 93309817E4; Tue, 14 Dec 2021 17:50:53 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TATIYt4A0l31; Tue, 14 Dec 2021 17:50:52 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp1.osuosl.org (Postfix) with ESMTPS id 7C85B817B3; Tue, 14 Dec 2021 17:50:52 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 4F10EC002F; Tue, 14 Dec 2021 17:50:52 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id A1156C0012 for ; Tue, 14 Dec 2021 17:50:50 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 81EAF60C0F for ; Tue, 14 Dec 2021 17:50:50 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VWOvMbYJM78L for ; Tue, 14 Dec 2021 17:50:48 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp3.osuosl.org (Postfix) with ESMTP id A01F660BC2 for ; Tue, 14 Dec 2021 17:50:48 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id A38B1D6E; Tue, 14 Dec 2021 09:50:47 -0800 (PST) Received: from [10.57.34.58] (unknown [10.57.34.58]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 862113F5A1; Tue, 14 Dec 2021 09:50:46 -0800 (PST) Message-ID: Date: Tue, 14 Dec 2021 17:50:41 +0000 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Thunderbird/91.3.2 Subject: Re: [PATCH v2 10/11] iommu/iova: Move flush queue code to iommu-dma Content-Language: en-GB To: John Garry , joro@8bytes.org, will@kernel.org References: <0752bfc207b974e76eab7564058b5a7b9e8d5e6e.1639157090.git.robin.murphy@arm.com> From: Robin Murphy In-Reply-To: Cc: linux-mm@kvack.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, willy@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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" T24gMjAyMS0xMi0xNCAxNzoxOCwgSm9obiBHYXJyeSB2aWEgaW9tbXUgd3JvdGU6Cj4gT24gMTAv MTIvMjAyMSAxNzo1NCwgUm9iaW4gTXVycGh5IHdyb3RlOgo+PiArwqDCoMKgIGlvdmFkLT5mcV9k b21haW4gPSBmcV9kb21haW47Cj4+ICvCoMKgwqAgaW92YWQtPmZxID0gcXVldWU7Cj4+ICsKPj4g K8KgwqDCoCB0aW1lcl9zZXR1cCgmaW92YWQtPmZxX3RpbWVyLCBmcV9mbHVzaF90aW1lb3V0LCAw KTsKPj4gK8KgwqDCoCBhdG9taWNfc2V0KCZpb3ZhZC0+ZnFfdGltZXJfb24sIDApOwo+PiArCj4+ ICvCoMKgwqAgcmV0dXJuIDA7Cj4+ICt9Cj4+ICsKPj4gKwo+IAo+IG5pdDogYSBzaW5nbGUgYmxh bmsgbGluZSBpcyBzdGFuZGFyZCwgSSB0aGluawoKSG1tLCB5b3UncmUgcmlnaHQgLSBJJ3ZlIGdy b3duIGZvbmQgb2YgbGVhdmluZyBhbiBleHRyYSBsaXR0bGUgYml0IG9mIApicmVhdGhpbmcgc3Bh Y2UgYmV0d2VlbiBsb2dpY2FsbHktaW5kZXBlbmRlbnQgc2VjdGlvbnMgb2YgY29kZSwgYW5kIGZv ciAKc29tZSByZWFzb24gSSB0aG91Z2h0IHRoaXMgZmlsZSB3YXMgYWxyZWFkeSBpbiB0aGF0IHN0 eWxlLCBidXQgaW5kZWVkIGl0IAppc24ndC4KCkpvZXJnIC0gbGV0IG1lIGtub3cgaWYgeW91IGZl ZWwgc3Ryb25nbHkgZW5vdWdoIHRoYXQgeW91J2QgbGlrZSBtZSB0byAKY2hhbmdlIHRoYXQuIEkn bSBnb2luZyB0byBoYXZlIG9uZSBsYXN0IGdvIGF0IGZpeGluZyB0ZWdyYS1kcm0sIHNvIEknbSAK aGFwcHkgdG8gc2VuZCBhIHYzIG9mIHRoZSB3aG9sZSBzZXJpZXMgbGF0ZXIgdGhpcyB3ZWVrIGlm IHRoZXJlIGFyZSBhbnkgCm90aGVyIG1pbm9yIHR3ZWFrcyB0b28uCgpUaGFua3MgZm9yIGFsbCB0 aGUgcmV2aWV3cyEKClJvYmluLgoKPiAKPiBDaGVlcnMKPiAKPj4gwqAgc3RhdGljIGlubGluZSBz aXplX3QgY29va2llX21zaV9ncmFudWxlKHN0cnVjdCBpb21tdV9kbWFfY29va2llIAo+PiAqY29v a2llKQo+PiDCoCB7Cj4gCj4gCj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KPiBpb21tdSBtYWlsaW5nIGxpc3QKPiBpb21tdUBsaXN0cy5saW51eC1mb3Vu ZGF0aW9uLm9yZwo+IGh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2lvbW11Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCmlvbW11IG1haWxpbmcgbGlzdAppb21tdUBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpo dHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby9pb21tdQ==