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 9B19FC433EF for ; Thu, 9 Dec 2021 17:50:33 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 37CF2421F0; Thu, 9 Dec 2021 17:50:33 +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 KZxa7d5FduOf; Thu, 9 Dec 2021 17:50:32 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp2.osuosl.org (Postfix) with ESMTPS id 5F3C54011C; Thu, 9 Dec 2021 17:50:31 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 399E6C001E; Thu, 9 Dec 2021 17:50:31 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 26A68C0012 for ; Thu, 9 Dec 2021 17:50:30 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 14DE561B10 for ; Thu, 9 Dec 2021 17:50:30 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp3.osuosl.org (amavisd-new); dkim=pass (1024-bit key) header.d=redhat.com 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 RHrzgBoFnkLe for ; Thu, 9 Dec 2021 17:50:29 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by smtp3.osuosl.org (Postfix) with ESMTPS id 21D4B60A76 for ; Thu, 9 Dec 2021 17:50:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1639072228; 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=cReUUZLQNrboD+IZcjBNbt6Kq531IoiXK2tkShuHR78=; b=D/blPJdY9HpuoKmm3h+4cnbmf9200EL8WviSC/eF9JDt9qCFbFLKf7XOkE4UEUnl4ujeh2 sG1uwfeGC2qCEtWddCO9hmMIotI9i2vyQuaur1JgHF9VdvnZcRUXEESMrtGEln8iQWN1BW JcFEVycKvhDrYEhGCwYgbkcHYJYZT34= Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-255-nWziQelfOUO_MaU1stUsfA-1; Thu, 09 Dec 2021 12:50:26 -0500 X-MC-Unique: nWziQelfOUO_MaU1stUsfA-1 Received: by mail-wm1-f72.google.com with SMTP id m14-20020a05600c3b0e00b0033308dcc933so2760924wms.7 for ; Thu, 09 Dec 2021 09:50:26 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=cReUUZLQNrboD+IZcjBNbt6Kq531IoiXK2tkShuHR78=; b=yQftktY2e2jIzuY4V3a2uqyCh462XU9q1BpvQ0ngKTUyIfM0EIZc3enr4SYmJ/f309 C1MkEvPmRiMJUt2RYwcAJpY34Om8FGDPhRD0KqMondLay6Xw7FVLHXDUFhcXVdRdwR8z wqFEQ2uau6h9LQkbM+GQz7ucwHZ1F6cTeXme0mDoZTtcXLmjocFzm/+0X+VWCXpBYqaW N/tjvan5hHQfeQwhFiawFrA4PX8LbDDUGK/UmkXw+cA4EP5Z4NsCn0hCZuCRjrcau6Xm x/2tb/iz2m1W/8DetTXI2UhjnJFMAgK7Nb3linL6GedFBulh90SvP5HNi1Gv6+59nEPW 4CiA== X-Gm-Message-State: AOAM531UU8DSuh4MkVEhBBXOO7zBaj3DUziOmxvZQxVzMN2dliHUATkp uUIrfLsQyDVD2DfvZmNoZSlcAZ5oiQd+DDB6Ydv2Xy1NzhAclQue2vkX6wKZnr3z10gg8IZcsky Diyv9UJou95Juv0FlXPf9MpqrPltnq2qXGcvjzmgiZQ== X-Received: by 2002:a05:600c:282:: with SMTP id 2mr9287658wmk.91.1639072225687; Thu, 09 Dec 2021 09:50:25 -0800 (PST) X-Google-Smtp-Source: ABdhPJw1Q1ta3quvHK6VV8iOM3qPpFpOU9+4sLknPpYdPHvNEssS7b1tD5wHRrpRQoopsdw+QzPdhA== X-Received: by 2002:a05:600c:282:: with SMTP id 2mr9287632wmk.91.1639072225451; Thu, 09 Dec 2021 09:50:25 -0800 (PST) Received: from redhat.com ([2.55.18.120]) by smtp.gmail.com with ESMTPSA id b6sm9934160wmq.45.2021.12.09.09.50.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Dec 2021 09:50:24 -0800 (PST) Date: Thu, 9 Dec 2021 12:50:20 -0500 From: "Michael S. Tsirkin" To: =?utf-8?B?546L6LSH?= Subject: Re: [RFC PATCH] virtio: make sure legacy pci device gain 32bit-pfn vq Message-ID: <20211209124542-mutt-send-email-mst@kernel.org> References: <20211207031217-mutt-send-email-mst@kernel.org> <8bbfd029-d969-4632-cb8e-482481d65a2f@linux.alibaba.com> <20211208021947-mutt-send-email-mst@kernel.org> <20211208060115-mutt-send-email-mst@kernel.org> <20211209013833-mutt-send-email-mst@kernel.org> <22c1f3f1-beab-83cb-c7ce-d61a970d0f0e@linux.alibaba.com> MIME-Version: 1.0 In-Reply-To: <22c1f3f1-beab-83cb-c7ce-d61a970d0f0e@linux.alibaba.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: open list , "open list:VIRTIO CORE AND NET DRIVERS" 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" T24gVGh1LCBEZWMgMDksIDIwMjEgYXQgMDQ6MjY6NDdQTSArMDgwMCwg546L6LSHIHdyb3RlOgo+ IAo+IAo+IOWcqCAyMDIxLzEyLzkg5LiL5Y2IMjo0MCwgTWljaGFlbCBTLiBUc2lya2luIOWGmemB kzoKPiBbc25pcF0KPiA+ID4gPiA+IEJlc2lkZXMsIEkndmUgY2hlY2tlZCB0aGF0IHBhdGNoIGJ1 dCBpdCBjYW4ndCBhZGRyZXNzIG91ciBpc3N1ZSwgd2UgYWN0dWFsbHkKPiA+ID4gPiA+IGhhdmUg dGhpcyBsZWdhY3kgcGNpIGRldmljZSBvbiBhcm0gcGxhdGZvcm0sIGFuZCB0aGUgbWVtb3J5IGxh eW91dCBpcwo+ID4gPiA+ID4gdW5mcmllbmRseSBzaW5jZSBhbGxvY2F0aW9uIHJhcmVseSBwcm92 aWRpbmcgcGFnZS1hZGRyZXNzIGJlbG93IDQ0Yml0LCB3ZQo+ID4gPiA+ID4gdW5kZXJzdGFuZCB0 aGUgdmlydGlvLWlvbW11IGNhc2Ugc2hvdWxkIG5vdCBkbyBmb3JjZSBkbWEsIHdoaWxlIHdlIGRv bid0Cj4gPiA+ID4gPiBoYXZlIHRoYXQgc28gaXQncyBqdXN0IHdvcmtpbmcgZmluZS4KPiA+ID4g PiA+IAo+ID4gPiA+ID4gUmVnYXJkcywKPiA+ID4gPiA+IE1pY2hhZWwgV2FuZwo+ID4gPiA+IAo+ ID4gPiA+IEhtbSB3YWl0IGEgc2VjIGlzIGl0IGEgcGh5c2ljYWwgZGV2aWNlIG9yIGEgaHlwZXJ2 aXNvcj8KPiA+ID4gPiBJZiBhIHBoeXNpY2FsIG9uZSB0aGVuIGRvZXNuJ3QgaXQgbmVlZCBWSVJU SU9fRl9PUkRFUl9QTEFURk9STQo+ID4gPiA+IG9uIEFSTT8KPiA+ID4gCj4gPiA+IFRoZSBQQ0kg ZGV2aWNlIGlzIHZpcnR1YWwsIEkgY2FuJ3Qgc2VlIGhvdyBWSVJUSU9fRl9PUkRFUl9QTEFURk9S TSBoZWxwCj4gPiA+IGFkZHJlc3MgdGhpcyBpc3N1ZSwgbGVnYWN5IHBjaSBjb25maWcgaXMgMzJi aXQgYnV0IGl0J3MgMzYsIHNlZW1zIGxpa2Ugd2lsbAo+ID4gPiBuZXZlciBiZSBpbmNsdWRlZD8K PiA+ID4gCj4gPiA+IFJlZ2FyZHMsCj4gPiA+IE1pY2hhZWwgV2FuZwo+ID4gCj4gPiBPaCwgaWYg dGhlIGRldmljZSBpcyB2aXJ0dWFsIHRoZW4gSSB0aGluayB5b3Ugc2hvdWxkIGp1c3QgdXBkYXRl IGl0IHBsZWFzZS4KPiA+IHZpcnRpbyAwLlggaXMgYXJjaGl0ZWN0dXJhbGx5IGxpbWl0ZWQgdG8g c21hbGwgVk1zLAo+ID4gaWYgeW91ciBoeXBlcnZpc29yIHN1cHBvcnRzIG1vcmUgaXQgc2hvdWxk IGVtdWxhdGUgdmlydGlvIDEuMC4KPiAKPiBJIHNlZSwgbmljZSB0byBjb25maXJtIHRoZSBwcm9w ZXIgYXBwcm9hY2gsIGFsdGhvdWdoIHdlIGRvbid0IGhhdmUgdGhhdAo+IG9wdGlvbiBvbiB0aGUg ZGVzayA6LVAKCkRvbid0IHNlZSB3aHksIGEgc3Ryb25nZXIganVzdGlmaWNhdGlvbiB3aWxsIGJl IG5lZWRlZCBiZWZvcmUgZXZlcnlvbmUKdGFrZXMgb24gdGhlIG1haW50YWluYW5jZSBidXJkZW4g b2YgbWFpbnRhaW5pbmcgaGFja3MgbGlrZSB0aGlzLiAgSWYgd2UKbWFrZSBhbiBleGNlcHRpb24g aGVyZSB0aGlzIG9wZW5zIGZsb29kZ2F0ZXMgZm9yIGV2ZXJ5b25lIHRvbyBsYXp5IHRvCmFkZCB2 aXJ0aW8gMSBzdXBwb3J0IHRvIGluc3RlYWQgcHVzaCBoYWNrcyBhdCB0aGUgbGludXggbGV2ZWwu CgoKPiBTbyBhcyBsb25nIGFzIHdlIGRvbid0IGhhdmUgYW55IGlvbW11IGVuYWJsZWQsIHRoZSBm b3JjZSBkbWEgYXBwcm9hY2ggY291bGQKPiBiZSBzYWZlLCBpcyB0aGlzIGNvcnJlY3Q/Cj4gCj4g UmVnYXJkcywKPiBNaWNoYWVsIFdhbmcKCk5vdCB1bmxlc3MgdGhlcmUncyBhbiBBUEkgYXQgdGhl IERNQSBBUEkgbGV2ZWwgdGhhdCBndWFyYW50ZWVzIERNQQphZGRyZXNzZXMgYXJlIHBoeXNpY2Fs IGFkZHJlc3Nlcy4KCj4gPiAKPiA+IAo+ID4gCj4gPiA+ID4gCj4gPiA+ID4gCj4gPiA+ID4gCj4g PiA+ID4gPiA+IAo+ID4gPiA+ID4gPiAKPiA+ID4gPiA+ID4gPiA+IAo+ID4gPiA+ID4gPiA+ID4g PiAtLS0KPiA+ID4gPiA+ID4gPiA+ID4gICAgICBkcml2ZXJzL3ZpcnRpby92aXJ0aW9fcGNpX2xl Z2FjeS5jIHwgMTAgKysrKysrKysrKwo+ID4gPiA+ID4gPiA+ID4gPiAgICAgIGRyaXZlcnMvdmly dGlvL3ZpcnRpb19yaW5nLmMgICAgICAgfCAgMyArKysKPiA+ID4gPiA+ID4gPiA+ID4gICAgICBp bmNsdWRlL2xpbnV4L3ZpcnRpby5oICAgICAgICAgICAgIHwgIDEgKwo+ID4gPiA+ID4gPiA+ID4g PiAgICAgIDMgZmlsZXMgY2hhbmdlZCwgMTQgaW5zZXJ0aW9ucygrKQo+ID4gPiA+ID4gPiA+ID4g PiAKPiA+ID4gPiA+ID4gPiA+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvdmlydGlvL3ZpcnRpb19w Y2lfbGVnYWN5LmMKPiA+ID4gPiA+ID4gPiA+ID4gYi9kcml2ZXJzL3ZpcnRpby92aXJ0aW9fcGNp X2xlZ2FjeS5jCj4gPiA+ID4gPiA+ID4gPiA+IGluZGV4IGQ2MmU5ODMuLjExZjJlYmYgMTAwNjQ0 Cj4gPiA+ID4gPiA+ID4gPiA+IC0tLSBhL2RyaXZlcnMvdmlydGlvL3ZpcnRpb19wY2lfbGVnYWN5 LmMKPiA+ID4gPiA+ID4gPiA+ID4gKysrIGIvZHJpdmVycy92aXJ0aW8vdmlydGlvX3BjaV9sZWdh Y3kuYwo+ID4gPiA+ID4gPiA+ID4gPiBAQCAtMjYzLDYgKzI2MywxNiBAQCBpbnQgdmlydGlvX3Bj aV9sZWdhY3lfcHJvYmUoc3RydWN0IHZpcnRpb19wY2lfZGV2aWNlCj4gPiA+ID4gPiA+ID4gPiA+ ICp2cF9kZXYpCj4gPiA+ID4gPiA+ID4gPiA+ICAgICAgCXZwX2Rldi0+c2V0dXBfdnEgPSBzZXR1 cF92cTsKPiA+ID4gPiA+ID4gPiA+ID4gICAgICAJdnBfZGV2LT5kZWxfdnEgPSBkZWxfdnE7Cj4g PiA+ID4gPiA+ID4gPiA+IAo+ID4gPiA+ID4gPiA+ID4gPiArCS8qCj4gPiA+ID4gPiA+ID4gPiA+ ICsJICogVGhlIGxlZ2FjeSBwY2kgZGV2aWNlIHJlcXVyZSAzMmJpdC1wZm4gdnEsCj4gPiA+ID4g PiA+ID4gPiA+ICsJICogb3Igc2V0dXBfdnEoKSB3aWxsIGZhaWxlZC4KPiA+ID4gPiA+ID4gPiA+ ID4gKwkgKgo+ID4gPiA+ID4gPiA+ID4gPiArCSAqIFRodXMgd2UgbWFrZSBzdXJlIHZyaW5nX3Vz ZV9kbWFfYXBpKCkgd2lsbAo+ID4gPiA+ID4gPiA+ID4gPiArCSAqIHJldHVybiB0cnVlIGR1cmlu ZyB0aGUgYWxsb2NhdGlvbiBieSBtYXJraW5nCj4gPiA+ID4gPiA+ID4gPiA+ICsJICogZm9yY2Vf ZG1hIGhlcmUuCj4gPiA+ID4gPiA+ID4gPiA+ICsJICovCj4gPiA+ID4gPiA+ID4gPiA+ICsJdnBf ZGV2LT52ZGV2LmZvcmNlX2RtYSA9IHRydWU7Cj4gPiA+ID4gPiA+ID4gPiA+ICsKPiA+ID4gPiA+ ID4gPiA+ID4gICAgICAJcmV0dXJuIDA7Cj4gPiA+ID4gPiA+ID4gPiA+IAo+ID4gPiA+ID4gPiA+ ID4gPiAgICAgIGVycl9pb21hcDoKPiA+ID4gPiA+ID4gPiA+ID4gZGlmZiAtLWdpdCBhL2RyaXZl cnMvdmlydGlvL3ZpcnRpb19yaW5nLmMgYi9kcml2ZXJzL3ZpcnRpby92aXJ0aW9fcmluZy5jCj4g PiA+ID4gPiA+ID4gPiA+IGluZGV4IDMwMzViYjYuLjY1NjJlMDEgMTAwNjQ0Cj4gPiA+ID4gPiA+ ID4gPiA+IC0tLSBhL2RyaXZlcnMvdmlydGlvL3ZpcnRpb19yaW5nLmMKPiA+ID4gPiA+ID4gPiA+ ID4gKysrIGIvZHJpdmVycy92aXJ0aW8vdmlydGlvX3JpbmcuYwo+ID4gPiA+ID4gPiA+ID4gPiBA QCAtMjQ1LDYgKzI0NSw5IEBAIHN0YXRpYyBpbmxpbmUgYm9vbCB2aXJ0cXVldWVfdXNlX2luZGly ZWN0KHN0cnVjdAo+ID4gPiA+ID4gPiA+ID4gPiB2aXJ0cXVldWUgKl92cSwKPiA+ID4gPiA+ID4g PiA+ID4gCj4gPiA+ID4gPiA+ID4gPiA+ICAgICAgc3RhdGljIGJvb2wgdnJpbmdfdXNlX2RtYV9h cGkoc3RydWN0IHZpcnRpb19kZXZpY2UgKnZkZXYpCj4gPiA+ID4gPiA+ID4gPiA+ICAgICAgewo+ ID4gPiA+ID4gPiA+ID4gPiArCWlmICh2ZGV2LT5mb3JjZV9kbWEpCj4gPiA+ID4gPiA+ID4gPiA+ ICsJCXJldHVybiB0cnVlOwo+ID4gPiA+ID4gPiA+ID4gPiArCj4gPiA+ID4gPiA+ID4gPiA+ICAg ICAgCWlmICghdmlydGlvX2hhc19kbWFfcXVpcmsodmRldikpCj4gPiA+ID4gPiA+ID4gPiA+ICAg ICAgCQlyZXR1cm4gdHJ1ZTsKPiA+ID4gPiA+ID4gPiA+ID4gCj4gPiA+ID4gPiA+ID4gPiA+IGRp ZmYgLS1naXQgYS9pbmNsdWRlL2xpbnV4L3ZpcnRpby5oIGIvaW5jbHVkZS9saW51eC92aXJ0aW8u aAo+ID4gPiA+ID4gPiA+ID4gPiBpbmRleCA0MWVkYmMwLi5hNGViMjlkIDEwMDY0NAo+ID4gPiA+ ID4gPiA+ID4gPiAtLS0gYS9pbmNsdWRlL2xpbnV4L3ZpcnRpby5oCj4gPiA+ID4gPiA+ID4gPiA+ ICsrKyBiL2luY2x1ZGUvbGludXgvdmlydGlvLmgKPiA+ID4gPiA+ID4gPiA+ID4gQEAgLTEwOSw2 ICsxMDksNyBAQCBzdHJ1Y3QgdmlydGlvX2RldmljZSB7Cj4gPiA+ID4gPiA+ID4gPiA+ICAgICAg CWJvb2wgZmFpbGVkOwo+ID4gPiA+ID4gPiA+ID4gPiAgICAgIAlib29sIGNvbmZpZ19lbmFibGVk Owo+ID4gPiA+ID4gPiA+ID4gPiAgICAgIAlib29sIGNvbmZpZ19jaGFuZ2VfcGVuZGluZzsKPiA+ ID4gPiA+ID4gPiA+ID4gKwlib29sIGZvcmNlX2RtYTsKPiA+ID4gPiA+ID4gPiA+ID4gICAgICAJ c3BpbmxvY2tfdCBjb25maWdfbG9jazsKPiA+ID4gPiA+ID4gPiA+ID4gICAgICAJc3BpbmxvY2tf dCB2cXNfbGlzdF9sb2NrOyAvKiBQcm90ZWN0cyBWUXMgbGlzdCBhY2Nlc3MgKi8KPiA+ID4gPiA+ ID4gPiA+ID4gICAgICAJc3RydWN0IGRldmljZSBkZXY7Cj4gPiA+ID4gPiA+ID4gPiA+IC0tIAo+ ID4gPiA+ID4gPiA+ID4gPiAxLjguMy4xCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpWaXJ0dWFsaXphdGlvbiBtYWlsaW5nIGxpc3QKVmlydHVhbGl6YXRp b25AbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51eGZvdW5kYXRp b24ub3JnL21haWxtYW4vbGlzdGluZm8vdmlydHVhbGl6YXRpb24=