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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3CC26C43334 for ; Fri, 3 Jun 2022 05:40:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238175AbiFCFkM (ORCPT ); Fri, 3 Jun 2022 01:40:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35442 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241226AbiFCFjy (ORCPT ); Fri, 3 Jun 2022 01:39:54 -0400 Received: from mail.sberdevices.ru (mail.sberdevices.ru [45.89.227.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22B68396AE; Thu, 2 Jun 2022 22:39:52 -0700 (PDT) Received: from s-lin-edge02.sberdevices.ru (localhost [127.0.0.1]) by mail.sberdevices.ru (Postfix) with ESMTP id 632305FD02; Fri, 3 Jun 2022 08:39:50 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sberdevices.ru; s=mail; t=1654234790; bh=lK6cao0uju2hrt5cbvoIe3JQzXNM+1hhRQxVtKooXw8=; h=From:To:Subject:Date:Message-ID:Content-Type:MIME-Version; b=UNN5T8IYi3P36krQSPsocMZEVkk1kXmwNnIC+0HZHzG9ZPXNy+YBwCrFK1yu+aQKE S+O3eUEwTCM385w+UFrS3xOkkNX9WNzrAhQwJ38CyXUlOm4/xPvvy4OlqgpF7OducO y9Ibhd/FIz5EDFELcILtVQmU+JJ3urdQnhKNm36yno6Dj51Za9JOLhoC+NbXuW9LnF TPB4fMZvarF0ZoJch4RFXj+3MZQsHkWjH7af99lI5kwhBTpPghbwIyhXxGeuI0uioi krCJeBV0yb/EgPx2Qn9NRb+MS5D4ilUUbDFJOKEjWdbtdbEyuzTXYR1m5j4vE4hJh8 4X0w9BNA/nmsA== Received: from S-MS-EXCH01.sberdevices.ru (S-MS-EXCH01.sberdevices.ru [172.16.1.4]) by mail.sberdevices.ru (Postfix) with ESMTP; Fri, 3 Jun 2022 08:39:49 +0300 (MSK) From: Arseniy Krasnov To: Stefano Garzarella , Stefan Hajnoczi , "Michael S. Tsirkin" , Jason Wang , "David S. Miller" , "Jakub Kicinski" , Paolo Abeni CC: "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" , "virtualization@lists.linux-foundation.org" , "netdev@vger.kernel.org" , kernel , Krasnov Arseniy , Arseniy Krasnov Subject: [RFC PATCH v2 5/8] vhost/vsock: enable zerocopy callback Thread-Topic: [RFC PATCH v2 5/8] vhost/vsock: enable zerocopy callback Thread-Index: AQHYdwxHDqmhK66rm0GOZ6CooDdkrg== Date: Fri, 3 Jun 2022 05:39:23 +0000 Message-ID: <04c01c03-647c-49c2-bfa3-23fd995ce5bf@sberdevices.ru> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.16.1.12] Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2022/06/03 01:19:00 #19656765 X-KSMG-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org VGhpcyBhZGRzIHplcm9jb3B5IGNhbGxiYWNrIHRvIHZob3N0IHRyYW5zcG9ydC4NCg0KU2lnbmVk LW9mZi1ieTogQXJzZW5peSBLcmFzbm92IDxBVktyYXNub3ZAc2JlcmRldmljZXMucnU+DQotLS0N CiBkcml2ZXJzL3Zob3N0L3Zzb2NrLmMgfCA0MCArKysrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrDQogMSBmaWxlIGNoYW5nZWQsIDQwIGluc2VydGlvbnMoKykNCg0KZGlmZiAt LWdpdCBhL2RyaXZlcnMvdmhvc3QvdnNvY2suYyBiL2RyaXZlcnMvdmhvc3QvdnNvY2suYw0KaW5k ZXggMGRjMjIyOWYxOGY3Li5kY2I4MTgyZjVhYzkgMTAwNjQ0DQotLS0gYS9kcml2ZXJzL3Zob3N0 L3Zzb2NrLmMNCisrKyBiL2RyaXZlcnMvdmhvc3QvdnNvY2suYw0KQEAgLTQ4MSw2ICs0ODEsNDMg QEAgc3RhdGljIGJvb2wgdmhvc3RfdnNvY2tfbW9yZV9yZXBsaWVzKHN0cnVjdCB2aG9zdF92c29j ayAqdnNvY2spDQogCXJldHVybiB2YWwgPCB2cS0+bnVtOw0KIH0NCiANCitzdGF0aWMgaW50IHZo b3N0X3RyYW5zcG9ydF96ZXJvY29weV9zZXQoc3RydWN0IHZzb2NrX3NvY2sgKnZzaywgYm9vbCBl bmFibGUpDQorew0KKwlzdHJ1Y3Qgdmhvc3RfdnNvY2sgKnZzb2NrOw0KKw0KKwlyY3VfcmVhZF9s b2NrKCk7DQorCXZzb2NrID0gdmhvc3RfdnNvY2tfZ2V0KHZzay0+cmVtb3RlX2FkZHIuc3ZtX2Np ZCk7DQorDQorCWlmICghdnNvY2spIHsNCisJCXJjdV9yZWFkX3VubG9jaygpOw0KKwkJcmV0dXJu IC1FTk9ERVY7DQorCX0NCisNCisJdnNvY2stPnplcm9jb3B5X3J4X29uID0gZW5hYmxlOw0KKwly Y3VfcmVhZF91bmxvY2soKTsNCisNCisJcmV0dXJuIDA7DQorfQ0KKw0KK3N0YXRpYyBpbnQgdmhv c3RfdHJhbnNwb3J0X3plcm9jb3B5X2dldChzdHJ1Y3QgdnNvY2tfc29jayAqdnNrKQ0KK3sNCisJ c3RydWN0IHZob3N0X3Zzb2NrICp2c29jazsNCisJYm9vbCByZXM7DQorDQorCXJjdV9yZWFkX2xv Y2soKTsNCisJdnNvY2sgPSB2aG9zdF92c29ja19nZXQodnNrLT5yZW1vdGVfYWRkci5zdm1fY2lk KTsNCisNCisJaWYgKCF2c29jaykgew0KKwkJcmN1X3JlYWRfdW5sb2NrKCk7DQorCQlyZXR1cm4g LUVOT0RFVjsNCisJfQ0KKw0KKwlyZXMgPSB2c29jay0+emVyb2NvcHlfcnhfb247DQorCXJjdV9y ZWFkX3VubG9jaygpOw0KKw0KKwlyZXR1cm4gcmVzOw0KK30NCisNCiBzdGF0aWMgYm9vbCB2aG9z dF90cmFuc3BvcnRfc2VxcGFja2V0X2FsbG93KHUzMiByZW1vdGVfY2lkKTsNCiANCiBzdGF0aWMg c3RydWN0IHZpcnRpb190cmFuc3BvcnQgdmhvc3RfdHJhbnNwb3J0ID0gew0KQEAgLTUwOCw2ICs1 NDUsOSBAQCBzdGF0aWMgc3RydWN0IHZpcnRpb190cmFuc3BvcnQgdmhvc3RfdHJhbnNwb3J0ID0g ew0KIAkJLnN0cmVhbV9yY3ZoaXdhdCAgICAgICAgICA9IHZpcnRpb190cmFuc3BvcnRfc3RyZWFt X3Jjdmhpd2F0LA0KIAkJLnN0cmVhbV9pc19hY3RpdmUgICAgICAgICA9IHZpcnRpb190cmFuc3Bv cnRfc3RyZWFtX2lzX2FjdGl2ZSwNCiAJCS5zdHJlYW1fYWxsb3cgICAgICAgICAgICAgPSB2aXJ0 aW9fdHJhbnNwb3J0X3N0cmVhbV9hbGxvdywNCisJCS56ZXJvY29weV9kZXF1ZXVlCSAgPSB2aXJ0 aW9fdHJhbnNwb3J0X3plcm9jb3B5X2RlcXVldWUsDQorCQkucnhfemVyb2NvcHlfc2V0CSAgPSB2 aG9zdF90cmFuc3BvcnRfemVyb2NvcHlfc2V0LA0KKwkJLnJ4X3plcm9jb3B5X2dldAkgID0gdmhv c3RfdHJhbnNwb3J0X3plcm9jb3B5X2dldCwNCiANCiAJCS5zZXFwYWNrZXRfZGVxdWV1ZSAgICAg ICAgPSB2aXJ0aW9fdHJhbnNwb3J0X3NlcXBhY2tldF9kZXF1ZXVlLA0KIAkJLnNlcXBhY2tldF9l bnF1ZXVlICAgICAgICA9IHZpcnRpb190cmFuc3BvcnRfc2VxcGFja2V0X2VucXVldWUsDQotLSAN CjIuMjUuMQ0K