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 56D67C4361B for ; Mon, 7 Dec 2020 05:31:28 +0000 (UTC) Received: from whitealder.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 mail.kernel.org (Postfix) with ESMTPS id 01144227C3 for ; Mon, 7 Dec 2020 05:31:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 01144227C3 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 whitealder.osuosl.org (Postfix) with ESMTP id 8DA5E87D4C; Mon, 7 Dec 2020 05:31:27 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id io3TDoMxfaas; Mon, 7 Dec 2020 05:31:27 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id 0391587D36; Mon, 7 Dec 2020 05:31:26 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id D8EDAC0FA7; Mon, 7 Dec 2020 05:31:26 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id A42D5C013B for ; Mon, 7 Dec 2020 05:31:25 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 9300286F06 for ; Mon, 7 Dec 2020 05:31:25 +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 C98YaEmzp8lu for ; Mon, 7 Dec 2020 05:31:25 +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 [63.128.21.124]) by fraxinus.osuosl.org (Postfix) with ESMTPS id E017786D17 for ; Mon, 7 Dec 2020 05:31:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1607319083; 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=d55VwrXw/oQIP2ez330kLeMcIKkbjKXF47nSb09mhYg=; b=OF/QjSdB2GaL2kiL9COkpovjZdcUAwQCkYxeQ2hCSFqslBEwtx73ArryZjS/0eV9AQjh2s jBpD4yM5xvD4R0i0EAqRFKXJbWE3nIS6Zdyx59DBSDhd3nH8I2tjgNl+Fr1BK7wp0EN9gA J09J9+/NeY7Xc11R01RkcrwBuM65ej8= 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-28-1Bb0k3JvOu6PW9sbZ4OsJQ-1; Mon, 07 Dec 2020 00:31:19 -0500 X-MC-Unique: 1Bb0k3JvOu6PW9sbZ4OsJQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A660A107ACE4; Mon, 7 Dec 2020 05:31:18 +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 D8F545D9DC; Mon, 7 Dec 2020 05:31:00 +0000 (UTC) Subject: Re: [PATCH v3 15/19] vdpa_sim: set vringh notify callback To: Stefano Garzarella , virtualization@lists.linux-foundation.org References: <20201203170511.216407-1-sgarzare@redhat.com> <20201203170511.216407-16-sgarzare@redhat.com> From: Jason Wang Message-ID: Date: Mon, 7 Dec 2020 13:30:59 +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: <20201203170511.216407-16-sgarzare@redhat.com> Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 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" Ck9uIDIwMjAvMTIvNCDkuIrljYgxOjA1LCBTdGVmYW5vIEdhcnphcmVsbGEgd3JvdGU6Cj4gSW5z dGVhZCBvZiBjYWxsaW5nIHRoZSB2cSBjYWxsYmFjayBkaXJlY3RseSwgd2UgY2FuIGxldmVyYWdl IHRoZQo+IHZyaW5naF9ub3RpZnkoKSBmdW5jdGlvbiwgYWRkaW5nIHZkcGFzaW1fdnFfbm90aWZ5 KCkgYW5kIHNldHRpbmcgaXQKPiBpbiB0aGUgdnJpbmdoIG5vdGlmeSBjYWxsYmFjay4KPgo+IFN1 Z2dlc3RlZC1ieTogSmFzb24gV2FuZyA8amFzb3dhbmdAcmVkaGF0LmNvbT4KPiBTaWduZWQtb2Zm LWJ5OiBTdGVmYW5vIEdhcnphcmVsbGEgPHNnYXJ6YXJlQHJlZGhhdC5jb20+CgoKQWNrZWQtYnk6 IEphc29uIFdhbmcgPGphc293YW5nQHJlZGhhdC5jb20+CgoKPiAtLS0KPiB2MzoKPiAtIGNsZWFy ZWQgbm90aWZ5IGR1cmluZyByZXNldCBbSmFzb25dCj4gLS0tCj4gICBkcml2ZXJzL3ZkcGEvdmRw YV9zaW0vdmRwYV9zaW0uYyB8IDIzICsrKysrKysrKysrKysrKysrKystLS0tCj4gICAxIGZpbGUg Y2hhbmdlZCwgMTkgaW5zZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMoLSkKPgo+IGRpZmYgLS1naXQg YS9kcml2ZXJzL3ZkcGEvdmRwYV9zaW0vdmRwYV9zaW0uYyBiL2RyaXZlcnMvdmRwYS92ZHBhX3Np bS92ZHBhX3NpbS5jCj4gaW5kZXggMDNhODcxN2Y4MGVhLi4xMjQzYjAyNDg4ZjcgMTAwNjQ0Cj4g LS0tIGEvZHJpdmVycy92ZHBhL3ZkcGFfc2ltL3ZkcGFfc2ltLmMKPiArKysgYi9kcml2ZXJzL3Zk cGEvdmRwYV9zaW0vdmRwYV9zaW0uYwo+IEBAIC0xMjMsNiArMTIzLDE3IEBAIHN0YXRpYyBzdHJ1 Y3QgdmRwYXNpbSAqZGV2X3RvX3NpbShzdHJ1Y3QgZGV2aWNlICpkZXYpCj4gICAJcmV0dXJuIHZk cGFfdG9fc2ltKHZkcGEpOwo+ICAgfQo+ICAgCj4gK3N0YXRpYyB2b2lkIHZkcGFzaW1fdnFfbm90 aWZ5KHN0cnVjdCB2cmluZ2ggKnZyaW5nKQo+ICt7Cj4gKwlzdHJ1Y3QgdmRwYXNpbV92aXJ0cXVl dWUgKnZxID0KPiArCQljb250YWluZXJfb2YodnJpbmcsIHN0cnVjdCB2ZHBhc2ltX3ZpcnRxdWV1 ZSwgdnJpbmcpOwo+ICsKPiArCWlmICghdnEtPmNiKQo+ICsJCXJldHVybjsKPiArCj4gKwl2cS0+ Y2IodnEtPnByaXZhdGUpOwo+ICt9Cj4gKwo+ICAgc3RhdGljIHZvaWQgdmRwYXNpbV9xdWV1ZV9y ZWFkeShzdHJ1Y3QgdmRwYXNpbSAqdmRwYXNpbSwgdW5zaWduZWQgaW50IGlkeCkKPiAgIHsKPiAg IAlzdHJ1Y3QgdmRwYXNpbV92aXJ0cXVldWUgKnZxID0gJnZkcGFzaW0tPnZxc1tpZHhdOwo+IEBA IC0xMzQsNiArMTQ1LDggQEAgc3RhdGljIHZvaWQgdmRwYXNpbV9xdWV1ZV9yZWFkeShzdHJ1Y3Qg dmRwYXNpbSAqdmRwYXNpbSwgdW5zaWduZWQgaW50IGlkeCkKPiAgIAkJCSAgKHVpbnRwdHJfdCl2 cS0+ZHJpdmVyX2FkZHIsCj4gICAJCQkgIChzdHJ1Y3QgdnJpbmdfdXNlZCAqKQo+ICAgCQkJICAo dWludHB0cl90KXZxLT5kZXZpY2VfYWRkcik7Cj4gKwo+ICsJdnEtPnZyaW5nLm5vdGlmeSA9IHZk cGFzaW1fdnFfbm90aWZ5Owo+ICAgfQo+ICAgCj4gICBzdGF0aWMgdm9pZCB2ZHBhc2ltX3ZxX3Jl c2V0KHN0cnVjdCB2ZHBhc2ltICp2ZHBhc2ltLAo+IEBAIC0xNDcsNiArMTYwLDggQEAgc3RhdGlj IHZvaWQgdmRwYXNpbV92cV9yZXNldChzdHJ1Y3QgdmRwYXNpbSAqdmRwYXNpbSwKPiAgIAl2cS0+ cHJpdmF0ZSA9IE5VTEw7Cj4gICAJdnJpbmdoX2luaXRfaW90bGIoJnZxLT52cmluZywgdmRwYXNp bS0+ZGV2X2F0dHIuc3VwcG9ydGVkX2ZlYXR1cmVzLAo+ICAgCQkJICBWRFBBU0lNX1FVRVVFX01B WCwgZmFsc2UsIE5VTEwsIE5VTEwsIE5VTEwpOwo+ICsKPiArCXZxLT52cmluZy5ub3RpZnkgPSBO VUxMOwo+ICAgfQo+ICAgCj4gICBzdGF0aWMgdm9pZCB2ZHBhc2ltX3Jlc2V0KHN0cnVjdCB2ZHBh c2ltICp2ZHBhc2ltKQo+IEBAIC0yMjMsMTAgKzIzOCwxMCBAQCBzdGF0aWMgdm9pZCB2ZHBhc2lt X25ldF93b3JrKHN0cnVjdCB3b3JrX3N0cnVjdCAqd29yaykKPiAgIAkJc21wX3dtYigpOwo+ICAg Cj4gICAJCWxvY2FsX2JoX2Rpc2FibGUoKTsKPiAtCQlpZiAodHhxLT5jYikKPiAtCQkJdHhxLT5j Yih0eHEtPnByaXZhdGUpOwo+IC0JCWlmIChyeHEtPmNiKQo+IC0JCQlyeHEtPmNiKHJ4cS0+cHJp dmF0ZSk7Cj4gKwkJaWYgKHZyaW5naF9uZWVkX25vdGlmeV9pb3RsYigmdHhxLT52cmluZykgPiAw KQo+ICsJCQl2cmluZ2hfbm90aWZ5KCZ0eHEtPnZyaW5nKTsKPiArCQlpZiAodnJpbmdoX25lZWRf bm90aWZ5X2lvdGxiKCZyeHEtPnZyaW5nKSA+IDApCj4gKwkJCXZyaW5naF9ub3RpZnkoJnJ4cS0+ dnJpbmcpOwo+ICAgCQlsb2NhbF9iaF9lbmFibGUoKTsKPiAgIAo+ICAgCQlpZiAoKytwa3RzID4g NCkgewoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KVmly dHVhbGl6YXRpb24gbWFpbGluZyBsaXN0ClZpcnR1YWxpemF0aW9uQGxpc3RzLmxpbnV4LWZvdW5k YXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL3ZpcnR1YWxpemF0aW9u