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Tsirkin" To: Jason Wang Subject: Re: [PATCH] virtio_vdpa: Support surprise removal of virtio vdpa device Message-ID: <20220112095208-mutt-send-email-mst@kernel.org> References: <20220111065033-mutt-send-email-mst@kernel.org> <20220112013018-mutt-send-email-mst@kernel.org> 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: =?utf-8?B?5p2O5Lic5Y2H?= , linux-kernel , virtualization 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" T24gV2VkLCBKYW4gMTIsIDIwMjIgYXQgMDM6NTI6NTJQTSArMDgwMCwgSmFzb24gV2FuZyB3cm90 ZToKPiBPbiBXZWQsIEphbiAxMiwgMjAyMiBhdCAyOjMwIFBNIE1pY2hhZWwgUy4gVHNpcmtpbiA8 bXN0QHJlZGhhdC5jb20+IHdyb3RlOgo+ID4KPiA+IE9uIFdlZCwgSmFuIDEyLCAyMDIyIGF0IDEw OjIzOjA3QU0gKzA4MDAsIEphc29uIFdhbmcgd3JvdGU6Cj4gPiA+IE9uIFR1ZSwgSmFuIDExLCAy MDIyIGF0IDc6NTIgUE0gTWljaGFlbCBTLiBUc2lya2luIDxtc3RAcmVkaGF0LmNvbT4gd3JvdGU6 Cj4gPiA+ID4KPiA+ID4gPiBPbiBUdWUsIEphbiAxMSwgMjAyMiBhdCAxMTozNjo0MkFNICswODAw LCDmnY7kuJzljYcgd3JvdGU6Cj4gPiA+ID4gPiBXaGVuIHZpcnRpbyB2ZHBhIGRldmljZSByZW1v dmVkLCB0aGUgYWJub3JtYWwgZGFtYWdlIG9mIHRoZSBkZXZpY2UgY2Fubm90IGJlCj4gPiA+ID4g PiBwZXJjZWl2ZWQgbm9ybWFsbHksIHdoaWNoIHdpbGwgY2F1c2UgcHJvYmxlbXMgc2ltaWxhciB0 bzoKPiA+ID4gPiA+Cj4gPiA+ID4gPiA0M2JiNDBjNWI5MjYKPiA+ID4gPgo+ID4gPiA+Cj4gPiA+ ID4gU2hvdWxkIGluY2x1ZGUgdGhlIHN1YmplY3Qgb2YgdGhlIHBhdGNoIHRvby4KPiA+ID4gPgo+ ID4gPiA+ID4gSGVuY2UsIGFkZCB0aGUgYWJpbGl0eSB0byBhYm9ydCB0aGUgY29tbWFuZCBvbiBz dXJwcmlzZSByZW1vdmFsCj4gPiA+ID4gPgo+ID4gPiA+ID4gU2lnbmVkLW9mZi1ieTogZG9uZ3No ZW5nIGxpIDxsaWRvbmdzaGVuZ0BkYXl1ZHB1LmNvbT4KPiA+ID4gPgo+ID4gPiA+IFdoZW4gcmVt b3ZpbmcgZ3JhY2VmdWxseSwKPiA+ID4gPiBJIGFtIG5vdCBzdXJlIHdlIHNob3VsZCBicmVhayBk ZXZpY2UgdW5jb25kaXRpb25hbGx5IGxpa2UgdGhpcwo+ID4gPiA+IGJlZm9yZSBnaXZpbmcgZHJp dmVycyBhIGNoYW5jZSB0byBjbGVhbiB1cC4KPiA+ID4gPiBTaG91bGQgd2UganVzdCBkbyBpdCBm b3Igc3VycHJpc2UgcmVtb3ZhbD8KPiA+ID4KPiA+ID4gVGhhdCByZXF1aXJlcyBhIG5ldyBtZXRo b2QgdG8gcXVlcnkgd2hldGhlciBpdCdzIGEgc3VycHJpc2UgcmVtb3ZhbC4KPiA+ID4KPiA+ID4g VGhhbmtzCj4gPgo+ID4gV2UgY2FuIGNoZWNrIHBjaV9kZXZpY2VfaXNfcHJlc2VudCBsaWtlIHZp cnRpbyBkb2VzLgo+IAo+IFRob3VnaCB0aGUgUENJIGRldmljZSBpcyB0aGUgbWFpbiB1c2VyLCB3 ZSBhcmUgdmRwYSB0cmFuc3BvcnQgdGhhdCBpcwo+IHVuYXdhcmUgb2YgdGhlIHR5cGUgb2YgaXRz IHBhcmVudC4KPiAKPiBTbyBpdCBsb29rcyB0byBtZSB3ZSBuZWVkIGEgbmV3IG1ldGhvZCBhbmQg UENJIHBhcmVudCBhbmQgZG8gY2FsbCB0aGlzCj4gZnVuY3Rpb24gd2hlbiBuZWVkZWQuCj4gCj4g VGhhbmtzCgpTdXJlLgoKPiA+Cj4gPiA+ID4KPiA+ID4gPiA+IC0tLQo+ID4gPiA+ID4gIGRyaXZl cnMvdmlydGlvL3ZpcnRpb192ZHBhLmMgfCAxICsKPiA+ID4gPiA+ICAxIGZpbGUgY2hhbmdlZCwg MSBpbnNlcnRpb24oKykKPiA+ID4gPiA+Cj4gPiA+ID4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy92 aXJ0aW8vdmlydGlvX3ZkcGEuYyBiL2RyaXZlcnMvdmlydGlvL3ZpcnRpb192ZHBhLmMKPiA+ID4g PiA+IGluZGV4IDRhOWRkYjQ0YjJhNy4uZmQ5MzA0MDlkMTkwIDEwMDY0NAo+ID4gPiA+ID4gLS0t IGEvZHJpdmVycy92aXJ0aW8vdmlydGlvX3ZkcGEuYwo+ID4gPiA+ID4gKysrIGIvZHJpdmVycy92 aXJ0aW8vdmlydGlvX3ZkcGEuYwo+ID4gPiA+ID4gQEAgLTM3NCw2ICszNzQsNyBAQCBzdGF0aWMg dm9pZCB2aXJ0aW9fdmRwYV9yZW1vdmUoc3RydWN0IHZkcGFfZGV2aWNlICp2ZHBhKQo+ID4gPiA+ ID4gIHsKPiA+ID4gPiA+ICAgc3RydWN0IHZpcnRpb192ZHBhX2RldmljZSAqdmRfZGV2ID0gdmRw YV9nZXRfZHJ2ZGF0YSh2ZHBhKTsKPiA+ID4gPiA+Cj4gPiA+ID4gPiArIHZpcnRpb19icmVha19k ZXZpY2UodmRfZGV2LT52ZGV2KTsKPiA+ID4gPiA+ICAgdW5yZWdpc3Rlcl92aXJ0aW9fZGV2aWNl KCZ2ZF9kZXYtPnZkZXYpOwo+ID4gPiA+ID4gIH0KPiA+ID4gPiA+Cj4gPiA+ID4gPiAtLQo+ID4g PiA+ID4gMi4xNy4xCj4gPiA+ID4KPiA+CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpWaXJ0dWFsaXphdGlvbiBtYWlsaW5nIGxpc3QKVmlydHVhbGl6YXRp b25AbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51eGZvdW5kYXRp b24ub3JnL21haWxtYW4vbGlzdGluZm8vdmlydHVhbGl6YXRpb24=