From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jason Wang <jasowang@redhat.com>
Subject: Re: [PATCH net V2] vhost: log dirty page correctly
Date: Fri, 11 Jan 2019 11:58:32 +0800
Message-ID: <b49e17ec-a420-7216-4ef4-22285df4f71c@redhat.com>
References: <20190109072947.23240-1-jasowang@redhat.com>
	<20190109091937-mutt-send-email-mst@kernel.org>
	<8704a816-ec70-8e56-b141-3f17c41bb999@redhat.com>
	<20190110090610-mutt-send-email-mst@kernel.org>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <virtualization-bounces@lists.linux-foundation.org>
In-Reply-To: <20190110090610-mutt-send-email-mst@kernel.org>
Content-Language: en-US
List-Unsubscribe: <https://lists.linuxfoundation.org/mailman/options/virtualization>,
	<mailto:virtualization-request@lists.linux-foundation.org?subject=unsubscribe>
List-Archive: <http://lists.linuxfoundation.org/pipermail/virtualization/>
List-Post: <mailto:virtualization@lists.linux-foundation.org>
List-Help: <mailto:virtualization-request@lists.linux-foundation.org?subject=help>
List-Subscribe: <https://lists.linuxfoundation.org/mailman/listinfo/virtualization>,
	<mailto:virtualization-request@lists.linux-foundation.org?subject=subscribe>
Sender: virtualization-bounces@lists.linux-foundation.org
Errors-To: virtualization-bounces@lists.linux-foundation.org
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jintack Lim <jintack@cs.columbia.edu>, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org
List-Id: virtualization@lists.linuxfoundation.org

Ck9uIDIwMTkvMS8xMCDkuIvljYgxMDowNywgTWljaGFlbCBTLiBUc2lya2luIHdyb3RlOgo+IE9u
IFRodSwgSmFuIDEwLCAyMDE5IGF0IDA4OjM3OjE3UE0gKzA4MDAsIEphc29uIFdhbmcgd3JvdGU6
Cj4+IE9uIDIwMTkvMS85IOS4i+WNiDEwOjI1LCBNaWNoYWVsIFMuIFRzaXJraW4gd3JvdGU6Cj4+
PiBPbiBXZWQsIEphbiAwOSwgMjAxOSBhdCAwMzoyOTo0N1BNICswODAwLCBKYXNvbiBXYW5nIHdy
b3RlOgo+Pj4+IFZob3N0IGRpcnR5IHBhZ2UgbG9nZ2luZyBBUEkgaXMgZGVzaWduZWQgdG8gc3lu
YyB0aHJvdWdoIEdQQS4gQnV0IHdlCj4+Pj4gdHJ5IHRvIGxvZyBHSU9WQSB3aGVuIGRldmljZSBJ
T1RMQiBpcyBlbmFibGVkLiBUaGlzIGlzIHdyb25nIGFuZCBtYXkKPj4+PiBsZWFkIHRvIG1pc3Np
bmcgZGF0YSBhZnRlciBtaWdyYXRpb24uCj4+Pj4KPj4+PiBUbyBzb2x2ZSB0aGlzIGlzc3VlLCB3
aGVuIGxvZ2dpbmcgd2l0aCBkZXZpY2UgSU9UTEIgZW5hYmxlZCwgd2Ugd2lsbDoKPj4+Pgo+Pj4+
IDEpIHJldXNlIHRoZSBkZXZpY2UgSU9UTEIgdHJhbnNsYXRpb24gcmVzdWx0IG9mIEdJT1ZBLT5I
VkEgbWFwcGluZyB0bwo+Pj4+ICAgICAgZ2V0IEhWQSwgZm9yIHdyaXRhYmxlIGRlc2NyaXB0b3Is
IGdldCBIVkEgdGhyb3VnaCBpb3ZlYy4gRm9yIHVzZWQKPj4+PiAgICAgIHJpbmcgdXBkYXRlLCB0
cmFuc2xhdGUgaXRzIEdJT1ZBIHRvIEhWQQo+Pj4+IDIpIHRyYXZlcnNlIHRoZSBHUEEtPkhWQSBt
YXBwaW5nIHRvIGdldCB0aGUgcG9zc2libGUgR1BBIGFuZCBsb2cKPj4+PiAgICAgIHRocm91Z2gg
R1BBLiBQYXkgYXR0ZW50aW9uIHRoaXMgcmV2ZXJzZSBtYXBwaW5nIGlzIG5vdCBndWFyYW50ZWVk
Cj4+Pj4gICAgICB0byBiZSB1bmlxdWUsIHNvIHdlIHNob3VsZCBsb2cgZWFjaCBwb3NzaWJsZSBH
UEEgaW4gdGhpcyBjYXNlLgo+Pj4+Cj4+Pj4gVGhpcyBmaXggdGhlIGZhaWx1cmUgb2Ygc2NwIHRv
IGd1ZXN0IGR1cmluZyBtaWdyYXRpb24uIEluIC1uZXh0LCB3ZQo+Pj4+IHdpbGwgcHJvYmFibHkg
c3VwcG9ydCBwYXNzaW5nIEdJT1ZBLT5HUEEgaW5zdGVhZCBvZiBHSU9WQS0+SFZBLgo+Pj4+Cj4+
Pj4gRml4ZXM6IDZiMWU2Y2M3ODU1YiAoInZob3N0OiBuZXcgZGV2aWNlIElPVExCIEFQSSIpCj4+
Pj4gUmVwb3J0ZWQtYnk6IEppbnRhY2sgTGltPGppbnRhY2tAY3MuY29sdW1iaWEuZWR1Pgo+Pj4+
IENjOiBKaW50YWNrIExpbTxqaW50YWNrQGNzLmNvbHVtYmlhLmVkdT4KPj4+PiBTaWduZWQtb2Zm
LWJ5OiBKYXNvbiBXYW5nPGphc293YW5nQHJlZGhhdC5jb20+Cj4+Pj4gLS0tCj4+Pj4gVGhlIHBh
dGNoIGlzIG5lZWRlZCBmb3Igc3RhYmxlLgo+Pj4+IENoYW5nZXMgZnJvbSBWMToKPj4+PiAtIHJl
dHVybiBlcnJvciBpbnN0ZWFkIG9mIHdhcm4KPj4+PiAtLS0KPj4+PiAgICBkcml2ZXJzL3Zob3N0
L25ldC5jICAgfCAgMyArLQo+Pj4+ICAgIGRyaXZlcnMvdmhvc3Qvdmhvc3QuYyB8IDgyICsrKysr
KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrLS0tLS0tLS0KPj4+PiAgICBkcml2ZXJzL3Zo
b3N0L3Zob3N0LmggfCAgMyArLQo+Pj4+ICAgIDMgZmlsZXMgY2hhbmdlZCwgNzIgaW5zZXJ0aW9u
cygrKSwgMTYgZGVsZXRpb25zKC0pCj4+Pj4KPj4+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy92aG9z
dC9uZXQuYyBiL2RyaXZlcnMvdmhvc3QvbmV0LmMKPj4+PiBpbmRleCAzNmYzZDBmNDllNjAuLmJj
YTg2YmY3MTg5ZiAxMDA2NDQKPj4+PiAtLS0gYS9kcml2ZXJzL3Zob3N0L25ldC5jCj4+Pj4gKysr
IGIvZHJpdmVycy92aG9zdC9uZXQuYwo+Pj4+IEBAIC0xMjM2LDcgKzEyMzYsOCBAQCBzdGF0aWMg
dm9pZCBoYW5kbGVfcngoc3RydWN0IHZob3N0X25ldCAqbmV0KQo+Pj4+ICAgIAkJaWYgKG52cS0+
ZG9uZV9pZHggPiBWSE9TVF9ORVRfQkFUQ0gpCj4+Pj4gICAgCQkJdmhvc3RfbmV0X3NpZ25hbF91
c2VkKG52cSk7Cj4+Pj4gICAgCQlpZiAodW5saWtlbHkodnFfbG9nKSkKPj4+PiAtCQkJdmhvc3Rf
bG9nX3dyaXRlKHZxLCB2cV9sb2csIGxvZywgdmhvc3RfbGVuKTsKPj4+PiArCQkJdmhvc3RfbG9n
X3dyaXRlKHZxLCB2cV9sb2csIGxvZywgdmhvc3RfbGVuLAo+Pj4+ICsJCQkJCXZxLT5pb3YsIGlu
KTsKPj4+PiAgICAJCXRvdGFsX2xlbiArPSB2aG9zdF9sZW47Cj4+Pj4gICAgCQlpZiAodW5saWtl
bHkodmhvc3RfZXhjZWVkc193ZWlnaHQoKytyZWN2X3BrdHMsIHRvdGFsX2xlbikpKSB7Cj4+Pj4g
ICAgCQkJdmhvc3RfcG9sbF9xdWV1ZSgmdnEtPnBvbGwpOwo+Pj4+IGRpZmYgLS1naXQgYS9kcml2
ZXJzL3Zob3N0L3Zob3N0LmMgYi9kcml2ZXJzL3Zob3N0L3Zob3N0LmMKPj4+PiBpbmRleCA5Zjc5
NDJjYmNiYjIuLmVlMDk1ZjA4ZmZkNCAxMDA2NDQKPj4+PiAtLS0gYS9kcml2ZXJzL3Zob3N0L3Zo
b3N0LmMKPj4+PiArKysgYi9kcml2ZXJzL3Zob3N0L3Zob3N0LmMKPj4+PiBAQCAtMTczMywxMSAr
MTczMyw3MCBAQCBzdGF0aWMgaW50IGxvZ193cml0ZSh2b2lkIF9fdXNlciAqbG9nX2Jhc2UsCj4+
Pj4gICAgCXJldHVybiByOwo+Pj4+ICAgIH0KPj4+PiArc3RhdGljIGludCBsb2dfd3JpdGVfaHZh
KHN0cnVjdCB2aG9zdF92aXJ0cXVldWUgKnZxLCB1NjQgaHZhLCB1NjQgbGVuKQo+Pj4+ICt7Cj4+
Pj4gKwlzdHJ1Y3Qgdmhvc3RfdW1lbSAqdW1lbSA9IHZxLT51bWVtOwo+Pj4+ICsJc3RydWN0IHZo
b3N0X3VtZW1fbm9kZSAqdTsKPj4+PiArCXU2NCBncGE7Cj4+Pj4gKwlpbnQgcjsKPj4+PiArCWJv
b2wgaGl0ID0gZmFsc2U7Cj4+Pj4gKwo+Pj4+ICsJbGlzdF9mb3JfZWFjaF9lbnRyeSh1LCAmdW1l
bS0+dW1lbV9saXN0LCBsaW5rKSB7Cj4+Pj4gKwkJaWYgKHUtPnVzZXJzcGFjZV9hZGRyIDwgaHZh
ICYmCj4+Pj4gKwkJICAgIHUtPnVzZXJzcGFjZV9hZGRyICsgdS0+c2l6ZSA+PQo+Pj4+ICsJCSAg
ICBodmEgKyBsZW4pIHsKPj4+IFNvIHRoaXMgdHJpZXMgdG8gc2VlIHRoYXQgdGhlIEdQQSByYW5n
ZSBpcyBjb21wbGV0ZWx5IHdpdGhpbgo+Pj4gdGhlIEdWQSByZWdpb24uIERvZXMgdGhpcyBoYXZl
IHRvIGJlIHRoZSBjYXNlPwo+PiBZb3UgbWVhbiBlLmcgYSBidWZmZXIgdGhhdCBjcm9zc2VzIHRo
ZSBib3VuZGFyeSBvZiB0d28gbWVtb3J5IHJlZ2lvbnM/Cj4gWWVzIC0gd2hlcmUgaHZhIGFuZCBn
dmEgY291bGQgYmUgY29udGlnaW91cy4KCgpPaywgbGV0IG1lIGFkZCB0aGUgb3ZlcmxhcCByYW5n
ZSBsb2dnaW5nIGluIHYzLgoKCj4KPgo+Pj4gQW5kIGlmIHllcyB3aHkgbm90IHJldHVybiAwIGJl
bG93IGluc3RlYWQgb2YgaGl0ID0gdHJ1ZT8KPj4gSSB0aGluayBpdCdzIHNhZmUgYnV0IG5vdCBz
dXJlIGZvciB0aGUgY2FzZSBsaWtlIHR3byBHUEFzIGNhbiBtYXAgdG8gc2FtZQo+PiBIVkE/Cj4g
T2ggSSBzZWUuIFllcyB0aGF0J3MgcG9zc2libGUuIERvY3VtZW50IHRoZSBtb3RpdmF0aW9uPwo+
CgpPay4KClRoYW5rcwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f
X19fX18KVmlydHVhbGl6YXRpb24gbWFpbGluZyBsaXN0ClZpcnR1YWxpemF0aW9uQGxpc3RzLmxp
bnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWls
bWFuL2xpc3RpbmZvL3ZpcnR1YWxpemF0aW9u