From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: [PATCH V13 4/6] mdev: introduce mediated virtio bus Date: Tue, 19 Nov 2019 14:14:33 +0000 Message-ID: <20191119141429.GF26739@mellanox.com> References: <20191118105923.7991-1-jasowang@redhat.com> <20191118105923.7991-5-jasowang@redhat.com> <20191118134056.GJ3873@mellanox.com> <20191118152642-mutt-send-email-mst@kernel.org> <20191118202843.GN3873@mellanox.com> <20191119123803.GA26739@mellanox.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US Content-ID: <205169522C3E124C9AB4CEB9A2F22320@eurprd05.prod.outlook.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Jason Wang Cc: "rdunlap@infradead.org" , "jakub.kicinski@netronome.com" , "christophe.de.dinechin@gmail.com" , "kvm@vger.kernel.org" , "Michael S. Tsirkin" , "airlied@linux.ie" , "heiko.carstens@de.ibm.com" , "dri-devel@lists.freedesktop.org" , "oberpar@linux.ibm.com" , "kwankhede@nvidia.com" , "rob.miller@broadcom.com" , "linux-s390@vger.kernel.org" , "sebott@linux.ibm.com" , "lulu@redhat.com" , "eperezma@redhat.com" , "pasic@linux.ibm.com" , "borntraeger@de.ibm.com" , haotian.wang@s List-Id: dri-devel@lists.freedesktop.org T24gVHVlLCBOb3YgMTksIDIwMTkgYXQgMTA6MDI6MDhQTSArMDgwMCwgSmFzb24gV2FuZyB3cm90 ZToNCj4gDQo+IE9uIDIwMTkvMTEvMTkg5LiL5Y2IODozOCwgSmFzb24gR3VudGhvcnBlIHdyb3Rl Og0KPiA+IE9uIFR1ZSwgTm92IDE5LCAyMDE5IGF0IDEwOjQxOjMxQU0gKzA4MDAsIEphc29uIFdh bmcgd3JvdGU6DQo+ID4gPiBPbiAyMDE5LzExLzE5IOS4iuWNiDQ6MjgsIEphc29uIEd1bnRob3Jw ZSB3cm90ZToNCj4gPiA+ID4gT24gTW9uLCBOb3YgMTgsIDIwMTkgYXQgMDM6Mjc6MTNQTSAtMDUw MCwgTWljaGFlbCBTLiBUc2lya2luIHdyb3RlOg0KPiA+ID4gPiA+IE9uIE1vbiwgTm92IDE4LCAy MDE5IGF0IDAxOjQxOjAwUE0gKzAwMDAsIEphc29uIEd1bnRob3JwZSB3cm90ZToNCj4gPiA+ID4g PiA+IE9uIE1vbiwgTm92IDE4LCAyMDE5IGF0IDA2OjU5OjIxUE0gKzA4MDAsIEphc29uIFdhbmcg d3JvdGU6DQo+ID4gPiA+ID4gPiA+ICtzdHJ1Y3QgYnVzX3R5cGUgbWRldl92aXJ0aW9fYnVzX3R5 cGU7DQo+ID4gPiA+ID4gPiA+ICsNCj4gPiA+ID4gPiA+ID4gK3N0cnVjdCBtZGV2X3ZpcnRpb19k ZXZpY2Ugew0KPiA+ID4gPiA+ID4gPiArCXN0cnVjdCBtZGV2X2RldmljZSBtZGV2Ow0KPiA+ID4g PiA+ID4gPiArCWNvbnN0IHN0cnVjdCBtZGV2X3ZpcnRpb19vcHMgKm9wczsNCj4gPiA+ID4gPiA+ ID4gKwl1MTYgY2xhc3NfaWQ7DQo+ID4gPiA+ID4gPiA+ICt9Ow0KPiA+ID4gPiA+ID4gVGhpcyBz ZWVtcyB0byBzaGFyZSBub3RoaW5nIHdpdGggbWRldiAoaWUgbWRldi12ZmlvKSwgd2h5IGlzIGl0 IG9uIHRoZQ0KPiA+ID4gPiA+ID4gc2FtZSBidXM/DQo+ID4gPiA+ID4gSSBtdXN0IGJlIG1pc3Np bmcgc29tZXRoaW5nIC0gd2hpY2ggYnVzIGRvIHRoZXkgc2hhcmU/DQo+ID4gPiA+IG1kZXZfYnVz X3R5cGUgPw0KPiA+ID4gPiANCj4gPiA+ID4gSmFzb24NCj4gPiA+IA0KPiA+ID4gTm90ZTogdmly dGlvIGhhcyBpdHMgb3duIGJ1czogbWRldl92aXJ0aW9fYnVzX3R5cGUuIFNvIHRoZXkgYXJlIG5v dCB0aGUgc2FtZQ0KPiA+ID4gYnVzLg0KPiA+IFRoYXQgaXMgZXZlbiB3b3JzZSwgd2h5IGludm9s dmUgc3RydWN0IG1kZXZfZGV2aWNlIGF0IGFsbCB0aGVuPw0KPiA+IA0KPiA+IEphc29uDQo+IA0K PiANCj4gSSBkb24ndCBxdWl0ZSBnZXQgdGhlIHF1ZXN0aW9uIGhlcmUuDQoNCkluIHRoZSBkcml2 ZXIgbW9kZWwgdGhlIGJ1c190eXBlIGFuZCBmb29fZGV2aWNlIGFyZSBjbG9zZWx5DQpsaW5rZWQu IENyZWF0aW5nICdtZGV2X2RldmljZScgaW5zdGFuY2VzIGFuZCBvdmVycmlkaW5nIHRoZSBidXNf dHlwZQ0KaXMgYSB2ZXJ5IGFidXNpdmUgdGhpbmcgdG8gZG8uDQoNCj4gTXkgdW5kZXJzdGFuZGlu ZyBmb3IgbWRldiBpcyB0aGF0IGl0IHdhcyBhIG1lZGlhdG9yIGJldHdlZW4gdGhlIGRyaXZlciBh bmQNCj4gcGh5c2ljYWwgZGV2aWNlIHdoZW4gaXQncyBoYXJkIHRvIGxldCB0aGVtIHRhbGsgZGly ZWN0bHkgZHVlIHRvIHRoZQ0KPiBjb21wbGV4aXR5IG9mIHJlZmFjdG9yaW5nIGFuZCBtYWludGVu YW5jZS4NCg0KUmVhbGx5LCBtZGV2IGlzIHRvIHN1cHBvcnQgdmZpbyB3aXRoIGEgYmFja2VuZCBv dGhlciB0aGFuIFBDSSwgbm90aGluZw0KbW9yZS4NCg0KQWJ1c2luZyBpdCBmb3Igb3RoZXIgdGhp bmdzIGlzIG5vdCBhcHByb3ByaWF0ZS4gaWUgY3JlYXRpbmcgYW4NCmluc3RhbmNlIGFuZCBub3Qg ZmlsbGluZyBpbiBtb3N0IG9mIHRoZSB2ZmlvIGZvY3VzZWQgb3BzIGlzIGFuIGFidXNpdmUNCnRo aW5nIHRvIGRvLg0KDQo+IGhhcmR3YXJlIHRoYXQgY2FuIG9mZmxvYWQgdmlydGlvIGRhdGFwYXRo IGJ1dCBub3QgY29udHJvbCBwYXRoLiBXZSB3YW50IHRvDQo+IHByZXNlbnQgYSB1bmlmaWVkIGlu dGVyZmFjZSAoc3RhbmRhcmQgdmlydGlvKSBpbnN0ZWFkIG9mIGEgdmVuZG9yIHNwZWNpZmljDQo+ IGludGVyZmFjZSwgc28gYSBtZWRpYXRvciBsZXZlbCBpbiB0aGUgbWlkZGxlIGlzIGEgbXVzdC4g Rm9yIHZpcnRpbyBkcml2ZXIsDQo+IG1lZGlhdG9yIHByZXNlbnQgYSBmdWxsIHZpcnRpbyBjb21w YXRpYmxlIGRldmljZS4gRm9yIGhhcmR3YXJlLCBtZWRpYXRvcg0KPiB3aWxsIG1lZGlhdGUgdGhl IGRpZmZlcmVuY2UgYmV0d2VlbiB0aGUgYmVoYXZpb3IgZGVmaW5lZCBieSB2aXJ0aW8gc3BlYyBh bmQNCj4gcmVhbCBoYXJkd2FyZS4NCg0KSWYgeW91IG5lZWQgdG8gYmluZCB0byB0aGUgVkZJTyBk cml2ZXIgdGhlbiBtZGV2IGlzIHRoZSByaWdodCB0aGluZyB0bw0KdXNlLCBvdGhlcndpc2UgaXQg aXMgbm90Lg0KDQpJdCBjZXJ0YWlubHkgc2hvdWxkIG5vdCBiZSB1c2VkIHRvIGJpbmQgdG8gcmFu ZG9tIGtlcm5lbCBkcml2ZXJzLiBUaGlzDQpwcm9ibGVtIGlzIHdoYXQgdGhpcyB2aXJ0dWFsIGJ1 cyBpZGVhIEludGVsIGlzIHdvcmtpbmcgb24gbWlnaHQgc29sdmUuDQoNCkl0IHNlZW1zIHRoZSBv bmx5IHRoaW5nIHBlb3BsZSBjYXJlIGFib3V0IHdpdGggbWRldiBpcyB0aGUgR1VJRA0KbGlmZWN5 Y2xlIHN0dWZmLCBidXQgYXQgdGhlIHNhbWUgdGltZSBmb2xrcyBsaWtlIFBhcmF2IGFyZSBzYXlp bmcgdGhleQ0KZG9uJ3Qgd2FudCB0byB1c2UgdGhhdCBsaWZlY3ljbGUgc3R1ZmYgYW5kIHByZWZl ciBkZXZsaW5rDQppbnN0ZWFkLg0KDQpNb3N0IGxpa2VseSwgYXQgbGVhc3QgZm9yIHZpcnRpby1u ZXQsIGV2ZXJ5b25lIGVsc2Ugd2lsbCBiZSBhYmxlIHRvDQp1c2UgZGV2bGluayBhcyB3ZWxsLCBt YWtpbmcgaXQgbXVjaCBsZXNzIGNsZWFyIGlmIHRoYXQgR1VJRCBsaWZlY3ljbGUNCnN0dWZmIGlz IGEgZ29vZCBpZGVhIG9yIG5vdC4NCg0KSmFzb24NCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxp c3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFu L2xpc3RpbmZvL2ludGVsLWdmeA==