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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 4973FC433F5 for ; Mon, 10 Jan 2022 07:59:49 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id D9B55405BF; Mon, 10 Jan 2022 07:59:48 +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 mmUOIRA8nUgH; Mon, 10 Jan 2022 07:59:47 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp2.osuosl.org (Postfix) with ESMTPS id 43FA6405C1; Mon, 10 Jan 2022 07:59:47 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 1C1FBC0030; Mon, 10 Jan 2022 07:59:47 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id D87D7C001E for ; Mon, 10 Jan 2022 07:59:45 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id A6DFE405BD for ; Mon, 10 Jan 2022 07:59:45 +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 9Ew315M6tSGm for ; Mon, 10 Jan 2022 07:59:44 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from out30-43.freemail.mail.aliyun.com (out30-43.freemail.mail.aliyun.com [115.124.30.43]) by smtp2.osuosl.org (Postfix) with ESMTPS id B32EB405C2 for ; Mon, 10 Jan 2022 07:59:43 +0000 (UTC) X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R121e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=e01e04400; MF=xuanzhuo@linux.alibaba.com; NM=1; PH=DS; RN=3; SR=0; TI=SMTPD_---0V1Ofggv_1641801579; Received: from localhost(mailfrom:xuanzhuo@linux.alibaba.com fp:SMTPD_---0V1Ofggv_1641801579) by smtp.aliyun-inc.com(127.0.0.1); Mon, 10 Jan 2022 15:59:40 +0800 MIME-Version: 1.0 message-id: <1641801140.4307308-1-xuanzhuo@linux.alibaba.com> subject: Re: [PATCH 2/6] virtio: split: alloc indirect desc with extra date: Mon, 10 Jan 2022 15:52:20 +0800 from: Xuan Zhuo to: Jason Wang in-reply-to: Cc: virtualization , "Michael S. Tsirkin" X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" T24gTW9uLCAxMCBKYW4gMjAyMiAxNTo0MToyNyArMDgwMCwgSmFzb24gV2FuZyA8amFzb3dhbmdA cmVkaGF0LmNvbT4gd3JvdGU6Cj4gT24gTW9uLCBKYW4gMTAsIDIwMjIgYXQgMzoyNCBQTSBYdWFu IFpodW8gPHh1YW56aHVvQGxpbnV4LmFsaWJhYmEuY29tPiB3cm90ZToKPiA+Cj4gPiBPbiBNb24s IDEwIEphbiAyMDIyIDE0OjQzOjM5ICswODAwLCBKYXNvbiBXYW5nIDxqYXNvd2FuZ0ByZWRoYXQu Y29tPiB3cm90ZToKPiA+ID4KPiA+ID4g5ZyoIDIwMjIvMS83IOS4i+WNiDI6MzMsIFh1YW4gWmh1 byDlhpnpgZM6Cj4gPiA+ID4gSW4gdGhlIHNjZW5hcmlvIHdoZXJlIGluZGlyZWN0IGlzIG5vdCB1 c2VkLCBlYWNoIGRlc2MgY29ycmVzcG9uZHMgdG8gYW4KPiA+ID4gPiBleHRyYSwgd2hpY2ggaXMg dXNlZCB0byByZWNvcmQgaW5mb3JtYXRpb24gc3VjaCBhcyBkbWEsIGZsYWdzLCBhbmQKPiA+ID4g PiBuZXh0Lgo+ID4gPiA+Cj4gPiA+ID4gSW4gdGhlIHNjZW5hcmlvIG9mIHVzaW5nIGluZGlyZWN0 LCB0aGUgYXNzaWduZWQgZGVzYyBkb2VzIG5vdCBoYXZlIHRoZQo+ID4gPiA+IGNvcnJlc3BvbmRp bmcgZXh0cmEgcmVjb3JkIGRtYSBpbmZvcm1hdGlvbiwgYW5kIHRoZSBkbWEgaW5mb3JtYXRpb24g bXVzdAo+ID4gPiA+IGJlIG9idGFpbmVkIGZyb20gdGhlIGRlc2Mgd2hlbiB1bm1hcC4KPiA+ID4g Pgo+ID4gPiA+IFRoaXMgcGF0Y2ggYWxsb2NhdGVzIHRoZSBjb3JyZXNwb25kaW5nIGV4dHJhIGFy cmF5IHdoZW4gaW5kaXJlY3QgZGVzYyBpcwo+ID4gPiA+IGFsbG9jYXRlZC4gVGhpcyBoYXMgdGhl c2UgYWR2YW50YWdlczoKPiA+ID4gPiAxLiBSZWNvcmQgdGhlIGRtYSBpbmZvcm1hdGlvbiBvZiBk ZXNjLCBubyBuZWVkIHRvIHJlYWQgZGVzYyB3aGVuIHVubWFwCj4gPiA+ID4gMi4gSXQgd2lsbCBi ZSBtb3JlIGNvbnZlbmllbnQgYW5kIHVuaWZpZWQgaW4gcHJvY2Vzc2luZwo+ID4gPiA+IDMuIFNv bWUgYWRkaXRpb25hbCBpbmZvcm1hdGlvbiBjYW4gYmUgcmVjb3JkZWQgaW4gZXh0cmEsIHdoaWNo IHdpbGwgYmUKPiA+ID4gPiAgICAgdXNlZCBpbiBzdWJzZXF1ZW50IHBhdGNoZXMuCj4gPiA+Cj4g PiA+Cj4gPiA+IFR3byBxdWVzdGlvbnM6Cj4gPiA+Cj4gPiA+IDEpIElzIHRoZXJlIGFueSBwZXJm b3JtYW5jZSBudW1iZXIgZm9yIHRoaXMgY2hhbmdlPyBJIGd1ZXNzIGl0IGdpdmVzCj4gPiA+IG1v cmUgc3RyZXNzIG9uIHRoZSBjYWNoZS4KPiA+Cj4gPiBJIHdpbGwgYWRkIHBlcmZvcm1hbmNlIHRl c3QgZGF0YSBpbiB0aGUgbmV4dCB2ZXJzaW9uLgo+ID4KPiA+ID4gMikgSXMgdGhlcmUgYSByZXF1 aXJlbWVudCB0byBtaXggdGhlIHByZSBtYXBwZWQgc2cgd2l0aCB1bm1hcHBlZCBzZz8gSWYKPiA+ ID4gbm90LCBhIHBlciB2aXJ0cXVldWUgZmxhZyBsb29rcyBzdWZmaWNpZW50Cj4gPgo+ID4gVGhl cmUgaXMgdGhpcyByZXF1aXJlbWVudC4gRm9yIGV4YW1wbGUsIGluIHRoZSBjYXNlIG9mIEFGX1hE UCwgYSBwYXRja2V0Cj4gPiBjb250YWlucyB0d28gcGFydHMsIG9uZSBpcyB2aXJ0aW9fbmV0X2hk ciwgYW5kIHRoZSBvdGhlciBpcyB0aGUgYWN0dWFsIGRhdGEKPiA+IHBhY2tldCBmcm9tIEFGX1hE UC4gVGhlIGZvcm1lciBpcyB1bm1hcHBlZCBzZywgYW5kIHRoZSBsYXR0ZXIgaXMgcHJlIG1hcHBl ZCBzZy4KPgo+IEFueSBjaGFuY2UgdG8gbWFwIHZpcnRpb19uZXRfaGRyKCkgbWFudWFsbHkgYnkg QUZfWERQIHJvdXRpbmUgaW4gdGhpcyBjYXNlPwoKV2VsbCwgaXQgaXMgaW5kZWVkIHBvc3NpYmxl IHRvIGRvIHNvLiBJbiB0aGUgaW5kaXJlY3Qgc2NlbmFyaW8sIHdlIGNhbiByZWNvcmQgaXQKaW4g dnJpbmctPnNwbGl0LmRlc2NfZXh0cmFbaGVhZF0uZmxhZ3MKClRoZW4gd2UgaGF2ZSB0byBhZ3Jl ZSB0aGF0IHRoZXJlIGNhbiBiZSBubyBtaXhlZCBzaXR1YXRpb24uCgpUaGFua3MuCgo+Cj4gVGhh bmtzCj4KPiA+Cj4gPiBUaGFua3MuCj4gPgo+ID4gPgo+ID4gPiBUaGFua3MKPiA+ID4KPiA+ID4K PiA+Cj4KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KVmly dHVhbGl6YXRpb24gbWFpbGluZyBsaXN0ClZpcnR1YWxpemF0aW9uQGxpc3RzLmxpbnV4LWZvdW5k YXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL3ZpcnR1YWxpemF0aW9u