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=-15.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 0D249C433FE for ; Mon, 7 Dec 2020 04:00:35 +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 7E743222F9 for ; Mon, 7 Dec 2020 04:00:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7E743222F9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=virtualization-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 3770D86F41; Mon, 7 Dec 2020 04:00:34 +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 AO2qTWcX9mqv; Mon, 7 Dec 2020 04:00:33 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by fraxinus.osuosl.org (Postfix) with ESMTP id 32AF386EFE; Mon, 7 Dec 2020 04:00:33 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 13A16C0FA7; Mon, 7 Dec 2020 04:00:33 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 6B3EEC013B for ; Mon, 7 Dec 2020 04:00:32 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 6049687331 for ; Mon, 7 Dec 2020 04:00:32 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id iVkWU6dTOTp6 for ; Mon, 7 Dec 2020 04:00:31 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by hemlock.osuosl.org (Postfix) with ESMTPS id BBDA987328 for ; Mon, 7 Dec 2020 04:00:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1607313630; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xNjTsielO4F3/rlOTAeVEcwEo4ih/pfIX8Fxa5vfASY=; b=WUuCyscMV/0uDf1w7m0rjckAcT7G1C7Cc9Eu0v0L9mGmCeWEavnLWeVmstO5+KSyzf10Ex k7zjr6PSzTGKzPWuqlXntAKsnqul4pMBexKbioq1bpvvsvuedH5u+olmMIaxyY5cZlcr3C pnrNKfjwCRxoKERo+GN03ui6u5imI/w= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-93-fGf-jxRoOX-zOv3r-DnZCg-1; Sun, 06 Dec 2020 23:00:29 -0500 X-MC-Unique: fGf-jxRoOX-zOv3r-DnZCg-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 5A61581CAF6; Mon, 7 Dec 2020 04:00:27 +0000 (UTC) Received: from [10.72.13.171] (ovpn-13-171.pek2.redhat.com [10.72.13.171]) by smtp.corp.redhat.com (Postfix) with ESMTP id AA2A25C1BB; Mon, 7 Dec 2020 04:00:08 +0000 (UTC) Subject: Re: [PATCH v3 05/19] vdpa_sim: remove the limit of IOTLB entries To: Stefano Garzarella , virtualization@lists.linux-foundation.org References: <20201203170511.216407-1-sgarzare@redhat.com> <20201203170511.216407-6-sgarzare@redhat.com> From: Jason Wang Message-ID: Date: Mon, 7 Dec 2020 12:00:07 +0800 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: <20201203170511.216407-6-sgarzare@redhat.com> Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Cc: Laurent Vivier , Max Gurtovoy , "Michael S. Tsirkin" , linux-kernel@vger.kernel.org, Shahaf Shuler , Stefan Hajnoczi , Eli Cohen , Oren Duer 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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" Ck9uIDIwMjAvMTIvNCDkuIrljYgxOjA0LCBTdGVmYW5vIEdhcnphcmVsbGEgd3JvdGU6Cj4gVGhl IHNpbXVsYXRlZCBkZXZpY2VzIGNhbiBzdXBwb3J0IG11bHRpcGxlIHF1ZXVlcywgc28gdGhpcyBs aW1pdAo+IHNob3VsZCBiZSBkZWZpbmVkIGFjY29yZGluZyB0byB0aGUgbnVtYmVyIG9mIHF1ZXVl cyBzdXBwb3J0ZWQgYnkKPiB0aGUgZGV2aWNlLgo+Cj4gU2luY2Ugd2UgYXJlIGluIGEgc2ltdWxh dG9yLCBsZXQncyBzaW1wbHkgcmVtb3ZlIHRoYXQgbGltaXQuCj4KPiBTdWdnZXN0ZWQtYnk6IEph c29uIFdhbmcgPGphc293YW5nQHJlZGhhdC5jb20+Cj4gQWNrZWQtYnk6IEphc29uIFdhbmcgPGph c293YW5nQHJlZGhhdC5jb20+Cj4gU2lnbmVkLW9mZi1ieTogU3RlZmFubyBHYXJ6YXJlbGxhIDxz Z2FyemFyZUByZWRoYXQuY29tPgoKClJldGhpbmsgYWJvdXQgdGhpcywgc2luY2Ugc2ltdWxhdG9y IGNhbiBiZSB1c2VkIGJ5IFZNLCBzbyB0aGUgYWxsb2NhdGlvbiAKaXMgYWN0dWFsbHkgZ3Vlc3Qg dHJpZ2dlci1hYmxlIHdoZW4gdklPTU1VIGlzIGVuYWJsZWQuCgpUaGlzIG1lYW5zIHdlIG5lZWQg YSBsaW1pdCBzb21laG93LCAoZS5nIEkgcmVtZW1iZXIgc3dpb3RsYiBpcyBhYm91dCAKNjRNQiBi eSBkZWZhdWx0KS4gT3IgaGF2aW5nIGEgbW9kdWxlIHBhcmFtZXRlciBmb3IgdGhpcy4KCkJ0dywg aGF2ZSB5b3UgbWV0IGFueSBpc3N1ZSB3aGVuIHVzaW5nIDIwNDgsIEkgZ3Vlc3MgaXQgY2FuIGhh cHBlbiB3aGVuIAp3ZSBydW4gc2V2ZXJhbCBwcm9jZXNzZXMgaW4gcGFyYWxsZWw/CgoKPiAtLS0K PiB2MzoKPiAtIHVzZWQgVkhPU1RfSU9UTEJfVU5MSU1JVEVEIG1hY3JvIFtKYXNvbl0KPiB2MjoK PiAtIGFkZGVkIFZEUEFTSU1fSU9UTEJfTElNSVQgbWFjcm8gW0phc29uXQo+IC0tLQo+ICAgZHJp dmVycy92ZHBhL3ZkcGFfc2ltL3ZkcGFfc2ltLmMgfCAyICstCj4gICAxIGZpbGUgY2hhbmdlZCwg MSBpbnNlcnRpb24oKyksIDEgZGVsZXRpb24oLSkKPgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL3Zk cGEvdmRwYV9zaW0vdmRwYV9zaW0uYyBiL2RyaXZlcnMvdmRwYS92ZHBhX3NpbS92ZHBhX3NpbS5j Cj4gaW5kZXggMjk1YTc3MGNhYWMwLi42ODhhY2VhYTY1NDMgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVy cy92ZHBhL3ZkcGFfc2ltL3ZkcGFfc2ltLmMKPiArKysgYi9kcml2ZXJzL3ZkcGEvdmRwYV9zaW0v dmRwYV9zaW0uYwo+IEBAIC0zNjgsNyArMzY4LDcgQEAgc3RhdGljIHN0cnVjdCB2ZHBhc2ltICp2 ZHBhc2ltX2NyZWF0ZSh2b2lkKQo+ICAgCWlmICghdmRwYXNpbS0+dnFzKQo+ICAgCQlnb3RvIGVy cl9pb21tdTsKPiAgIAo+IC0JdmRwYXNpbS0+aW9tbXUgPSB2aG9zdF9pb3RsYl9hbGxvYygyMDQ4 LCAwKTsKPiArCXZkcGFzaW0tPmlvbW11ID0gdmhvc3RfaW90bGJfYWxsb2MoVkhPU1RfSU9UTEJf VU5MSU1JVEVELCAwKTsKPiAgIAlpZiAoIXZkcGFzaW0tPmlvbW11KQo+ICAgCQlnb3RvIGVycl9p b21tdTsKPiAgIAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KVmlydHVhbGl6YXRpb24gbWFpbGluZyBsaXN0ClZpcnR1YWxpemF0aW9uQGxpc3RzLmxpbnV4 LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFu L2xpc3RpbmZvL3ZpcnR1YWxpemF0aW9u