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Tsirkin" To: =?utf-8?B?546L6LSH?= Subject: Re: [RFC PATCH] virtio: make sure legacy pci device gain 32bit-pfn vq Message-ID: <20211207031217-mutt-send-email-mst@kernel.org> References: MIME-Version: 1.0 In-Reply-To: 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" T24gVHVlLCBEZWMgMDcsIDIwMjEgYXQgMDM6NTE6NDVQTSArMDgwMCwg546L6LSHIHdyb3RlOgo+ IFdlIG9ic2VydmVkIGlzc3VlcyBsaWtlOgo+ICAgdmlydGlvLXBjaSAwMDAwOjE0OjAwLjA6IHBs YXRmb3JtIGJ1ZzogbGVnYWN5IHZpcnRpby1tbWlvIG11c3QKPiAgIG5vdCBiZSB1c2VkIHdpdGgg UkFNIGFib3ZlIDB4NDAwMEdCCj4gCj4gd2hlbiB3ZSBoYXZlIGEgbGVnYWN5IHBjaSBkZXZpY2Ug d2hpY2ggZGVzaXJlZCAzMmJpdC1wZm4gdnEKPiBidXQgZ2FpbiA2NGJpdC1wZm4gaW5zdGVhZCwg bGVhZCBpbnRvIHRoZSBmYWlsdXJlIG9mIHByb2JlLgo+IAo+IHZyaW5nX3VzZV9kbWFfYXBpKCkg aXMgcGxheWluZyB0aGUga2V5IHJvbGUgaW4gaGVyZSwgdG8gaGVscCB0aGUKPiBhbGxvY2F0aW9u IHByb2Nlc3MgdW5kZXJzdGFuZCB3aGljaCBraW5kIG9mIHZxIGl0IHNob3VsZCBhbGxvYywKPiBo b3dldmVyLCBpdCBmYWlsZWQgdG8gdGFrZSBjYXJlIHRoZSBsZWdhY3kgcGNpIGRldmljZSwgd2hp Y2ggb25seQo+IGhhdmUgMzJiaXQgZmVhdHVyZSBmbGFnIGFuZCBjYW4gbmV2ZXIgaGF2ZSBWSVJU SU9fRl9BQ0NFU1NfUExBVEZPUk0KPiBzZXR0ZWQuCj4gCj4gVGhpcyBwYXRjaCBpbnRyb2R1Y2Ug Zm9yY2VfZG1hIGZsYWcgdG8gaGVscCB2cmluZ191c2VfZG1hX2FwaSgpCj4gdW5kZXJzdGFuZGlu ZyB0aGUgcmVxdWlyZW1lbnQgYmV0dGVyLCB0byBhdm9pZCB0aGUgZmFpbGluZy4KPiAKPiBTaWdu ZWQtb2ZmLWJ5OiBNaWNoYWVsIFdhbmcgPHl1bi53YW5nQGxpbnV4LmFsaWJhYmEuY29tPgoKVGhp cyB3aWxsIGJyZWFrIGNvbmZpZ3Mgd2hlcmUgdGhlIGRldmljZSBhcHBlYXJzIGJlaGluZAphIHZp cnR1YWwgaW9tbXUsIHNvIHRoaXMgd29uJ3QgZmx5LgpKdXN0IG1ha2UgeW91ciBkZXZpY2Ugc3Vw cG9ydCAxLjAsIGVoPwoKPiAtLS0KPiAgZHJpdmVycy92aXJ0aW8vdmlydGlvX3BjaV9sZWdhY3ku YyB8IDEwICsrKysrKysrKysKPiAgZHJpdmVycy92aXJ0aW8vdmlydGlvX3JpbmcuYyAgICAgICB8 ICAzICsrKwo+ICBpbmNsdWRlL2xpbnV4L3ZpcnRpby5oICAgICAgICAgICAgIHwgIDEgKwo+ICAz IGZpbGVzIGNoYW5nZWQsIDE0IGluc2VydGlvbnMoKykKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVy cy92aXJ0aW8vdmlydGlvX3BjaV9sZWdhY3kuYwo+IGIvZHJpdmVycy92aXJ0aW8vdmlydGlvX3Bj aV9sZWdhY3kuYwo+IGluZGV4IGQ2MmU5ODMuLjExZjJlYmYgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVy cy92aXJ0aW8vdmlydGlvX3BjaV9sZWdhY3kuYwo+ICsrKyBiL2RyaXZlcnMvdmlydGlvL3ZpcnRp b19wY2lfbGVnYWN5LmMKPiBAQCAtMjYzLDYgKzI2MywxNiBAQCBpbnQgdmlydGlvX3BjaV9sZWdh Y3lfcHJvYmUoc3RydWN0IHZpcnRpb19wY2lfZGV2aWNlCj4gKnZwX2RldikKPiAgCXZwX2Rldi0+ c2V0dXBfdnEgPSBzZXR1cF92cTsKPiAgCXZwX2Rldi0+ZGVsX3ZxID0gZGVsX3ZxOwo+IAo+ICsJ LyoKPiArCSAqIFRoZSBsZWdhY3kgcGNpIGRldmljZSByZXF1cmUgMzJiaXQtcGZuIHZxLAo+ICsJ ICogb3Igc2V0dXBfdnEoKSB3aWxsIGZhaWxlZC4KPiArCSAqCj4gKwkgKiBUaHVzIHdlIG1ha2Ug c3VyZSB2cmluZ191c2VfZG1hX2FwaSgpIHdpbGwKPiArCSAqIHJldHVybiB0cnVlIGR1cmluZyB0 aGUgYWxsb2NhdGlvbiBieSBtYXJraW5nCj4gKwkgKiBmb3JjZV9kbWEgaGVyZS4KPiArCSAqLwo+ ICsJdnBfZGV2LT52ZGV2LmZvcmNlX2RtYSA9IHRydWU7Cj4gKwo+ICAJcmV0dXJuIDA7Cj4gCj4g IGVycl9pb21hcDoKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy92aXJ0aW8vdmlydGlvX3JpbmcuYyBi L2RyaXZlcnMvdmlydGlvL3ZpcnRpb19yaW5nLmMKPiBpbmRleCAzMDM1YmI2Li42NTYyZTAxIDEw MDY0NAo+IC0tLSBhL2RyaXZlcnMvdmlydGlvL3ZpcnRpb19yaW5nLmMKPiArKysgYi9kcml2ZXJz L3ZpcnRpby92aXJ0aW9fcmluZy5jCj4gQEAgLTI0NSw2ICsyNDUsOSBAQCBzdGF0aWMgaW5saW5l IGJvb2wgdmlydHF1ZXVlX3VzZV9pbmRpcmVjdChzdHJ1Y3QKPiB2aXJ0cXVldWUgKl92cSwKPiAK PiAgc3RhdGljIGJvb2wgdnJpbmdfdXNlX2RtYV9hcGkoc3RydWN0IHZpcnRpb19kZXZpY2UgKnZk ZXYpCj4gIHsKPiArCWlmICh2ZGV2LT5mb3JjZV9kbWEpCj4gKwkJcmV0dXJuIHRydWU7Cj4gKwo+ ICAJaWYgKCF2aXJ0aW9faGFzX2RtYV9xdWlyayh2ZGV2KSkKPiAgCQlyZXR1cm4gdHJ1ZTsKPiAK PiBkaWZmIC0tZ2l0IGEvaW5jbHVkZS9saW51eC92aXJ0aW8uaCBiL2luY2x1ZGUvbGludXgvdmly dGlvLmgKPiBpbmRleCA0MWVkYmMwLi5hNGViMjlkIDEwMDY0NAo+IC0tLSBhL2luY2x1ZGUvbGlu dXgvdmlydGlvLmgKPiArKysgYi9pbmNsdWRlL2xpbnV4L3ZpcnRpby5oCj4gQEAgLTEwOSw2ICsx MDksNyBAQCBzdHJ1Y3QgdmlydGlvX2RldmljZSB7Cj4gIAlib29sIGZhaWxlZDsKPiAgCWJvb2wg Y29uZmlnX2VuYWJsZWQ7Cj4gIAlib29sIGNvbmZpZ19jaGFuZ2VfcGVuZGluZzsKPiArCWJvb2wg Zm9yY2VfZG1hOwo+ICAJc3BpbmxvY2tfdCBjb25maWdfbG9jazsKPiAgCXNwaW5sb2NrX3QgdnFz X2xpc3RfbG9jazsgLyogUHJvdGVjdHMgVlFzIGxpc3QgYWNjZXNzICovCj4gIAlzdHJ1Y3QgZGV2 aWNlIGRldjsKPiAtLSAKPiAxLjguMy4xCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpWaXJ0dWFsaXphdGlvbiBtYWlsaW5nIGxpc3QKVmlydHVhbGl6YXRp b25AbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51eGZvdW5kYXRp b24ub3JnL21haWxtYW4vbGlzdGluZm8vdmlydHVhbGl6YXRpb24=