From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Samudrala, Sridhar" Subject: Re: [RFC PATCH v3 0/3] Enable virtio_net to act as a backup for a passthru device Date: Tue, 20 Feb 2018 08:26:33 -0800 Message-ID: <94062cc0-fe88-86c6-3dc8-40cb8422f9df__32880.766693461$1519143894$gmane$org@intel.com> References: <1518804682-16881-1-git-send-email-sridhar.samudrala@intel.com> <20180216183817.42b07af6@cakuba.netronome.com> <20180218221140.6c7fb32e@cakuba.netronome.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180218221140.6c7fb32e@cakuba.netronome.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Jakub Kicinski , Alexander Duyck Cc: "Duyck, Alexander H" , virtio-dev@lists.oasis-open.org, "Michael S. Tsirkin" , Netdev , virtualization@lists.linux-foundation.org, Siwei Liu , David Miller List-Id: virtualization@lists.linuxfoundation.org T24gMi8xOC8yMDE4IDEwOjExIFBNLCBKYWt1YiBLaWNpbnNraSB3cm90ZToKPiBPbiBTYXQsIDE3 IEZlYiAyMDE4IDA5OjEyOjAxIC0wODAwLCBBbGV4YW5kZXIgRHV5Y2sgd3JvdGU6Cj4+Pj4gV2Ug bm90aWNlZCBhIGNvdXBsZSBvZiBpc3N1ZXMgd2l0aCB0aGlzIGFwcHJvYWNoIGR1cmluZyB0ZXN0 aW5nLgo+Pj4+IC0gQXMgYm90aCAnYnlwYXNzJyBhbmQgJ2JhY2t1cCcgbmV0ZGV2cyBhcmUgYXNz b2NpYXRlZCB3aXRoIHRoZSBzYW1lCj4+Pj4gICAgdmlydGlvIHBjaSBkZXZpY2UsIHVkZXYgdHJp ZXMgdG8gcmVuYW1lIGJvdGggb2YgdGhlbSB3aXRoIHRoZSBzYW1lIG5hbWUKPj4+PiAgICBhbmQg dGhlIDJuZCByZW5hbWUgd2lsbCBmYWlsLiBUaGlzIHdvdWxkIGJlIE9LIGFzIGxvbmcgYXMgdGhl IGZpcnN0IG5ldGRldgo+Pj4+ICAgIHRvIGJlIHJlbmFtZWQgaXMgdGhlICdieXBhc3MnIG5ldGRl diwgYnV0IHRoZSBvcmRlciBpbiB3aGljaCB1ZGV2IGdldHMKPj4+PiAgICB0byByZW5hbWUgdGhl IDIgbmV0ZGV2cyBpcyBub3QgcmVsaWFibGUuCj4+PiBPdXQgb2YgY3VyaW9zaXR5IC0gd2h5IGRv IHlvdSBsaW5rIHRoZSBtYXN0ZXIgbmV0ZGV2IHRvIHRoZSB2aXJ0aW8KPj4+IHN0cnVjdCBkZXZp Y2U/Cj4+IFRoZSBiYXNpYyBpZGVhIG9mIGFsbCB0aGlzIGlzIHRoYXQgd2Ugd2FudGVkIHRoaXMg dG8gd29yayB3aXRoIGFuCj4+IGV4aXN0aW5nIFZNIGltYWdlIHRoYXQgd2FzIHVzaW5nIHZpcnRp by4gQXMgc3VjaCB3ZSB3ZXJlIHRyeWluZyB0bwo+PiBtYWtlIGl0IHNvIHRoYXQgdGhlIGJ5cGFz cyBpbnRlcmZhY2UgdGFrZXMgdGhlIHBsYWNlIG9mIHRoZSBvcmlnaW5hbAo+PiB2aXJ0aW8gYW5k IGdldCB1ZGV2IHRvIHJlbmFtZSB0aGUgYnlwYXNzIHRvIHdoYXQgdGhlIG9yaWdpbmFsCj4+IHZp cnRpb19uZXQgd2FzLgo+IFRoYXQgbWFrZXMgc2Vuc2UuICBJcyBpdCB1ZGV2L25hbWluZyB0aGF0 IHlvdSdyZSBtb3N0IGNvbmNlcm5lZCBhYm91dAo+IGhlcmU/ICBJLmUuIHdoYXQncyB0aGUgdXNl ciBzcGFjZSBhcHAgdGhhdCBleHBlY3RzIHRoZSBuZXRkZXYgdG8gYmUKPiBsaW5rZWQ/ICBUaGlz IGlzIGp1c3Qgb3V0IG9mIGN1cmlvc2l0eSwgdGhlIGxpbmtpbmcgb2YgbmV0ZGV2cyB0bwo+IGRl dmljZXMgaXMgYSBiaXQgb2YgYSBQSVRBIGluIHRoZSBzd2l0Y2hkZXYgZXN3aXRjaCBtb2RlIHdv cmxkLCB3aXRoCj4gbGlidmlydCBleHBlY3Rpbmcgb25seSBjZXJ0YWluIGRldmljZXMgdG8gYmUg dGhlcmUuLiAgUmlnaHQgbm93IHdlJ3JlCj4gbm90IGxpbmtpbmcgVkYgcmVwcnMsIHdoaWNoIGJy ZWFrcyBuYW1pbmcuICBJIHdhbnRlZCB0byByZXZpc2l0IHRoYXQuCgpGb3IgbGl2ZSBtaWdyYXRp b24gdXNlY2FzZSwgdXNlcnNwYWNlIGlzIG9ubHkgYXdhcmUgb2Ygb25lIHZpcnRpb19uZXQgCmlu dGVyZmFjZSBhbmQKaXQgZG9lc24ndCBleHBlY3QgaXQgdG8gYmUgbGlua2VkIHdpdGggYW55IGxv d2VyIGRldi7CoCBTbyBpdCBzaG91bGQgYmUgCmZpbmUgZXZlbiBpZiB0aGUKbG93ZXIgbmV0ZGV2 IGlzIG5vdCBwcmVzZW50LiBPbmx5IHRoZSBtYXN0ZXIgbmV0ZGV2IHNob3VsZCBiZSBhc3NpZ25l ZCAKdGhlIHNhbWUKbmFtZSBzbyB0aGF0IHVzZXJzcGFjZSBjb25maWd1cmF0aW9uIHNjcmlwdHPC oCBpbiB0aGUgVk0gZG9uJ3QgbmVlZCB0byAKY2hhbmdlLgoKPgo+Pj4gRldJVyB0d28gc29sdXRp b25zIHRoYXQgaW1tZWRpYXRlbHkgY29tZSB0byBtaW5kIGlzIHRvIGV4cG9ydCAiYmFja3VwIgo+ Pj4gYXMgcGh5c19wb3J0X25hbWUgb2YgdGhlIGJhY2t1cCB2aXJ0aW8gbGluayBhbmQvb3IgYXNz aWduIGEgbmFtZSB0byB0aGUKPj4+IG1hc3RlciBsaWtlIHlvdSBhcmUgZG9pbmcgYWxyZWFkeS4g IEkgdGhpbmsgdGVhbSB1c2VzIHRlYW0lZCBhbmQgYm9uZAo+Pj4gdXNlcyBib25kJWQsIHNvZnQg bmFtaW5nIG9mIG1hc3RlciBkZXZpY2VzIHNlZW1zIHF1aXRlIG5hdHVyYWwgaW4gdGhpcwo+Pj4g Y2FzZS4KPj4gSSBmaWd1cmVkIEkgaGFkIG92ZXJsb29rZWQgc29tZXRoaW5nIGxpa2UgdGhhdC4u IFRoYW5rcyBmb3IgcG9pbnRpbmcKPj4gdGhpcyBvdXQuIE9rYXkgc28gSSB0aGluayB0aGUgcGh5 c19wb3J0X25hbWUgYXBwcm9hY2ggbWlnaHQgcmVzb2x2ZQo+PiB0aGUgb3JpZ2luYWwgaXNzdWUu IElmIEkgYW0gcmVhZGluZyB0aGluZ3MgY29ycmVjdGx5IHdoYXQgd2UgZW5kIHVwCj4+IHdpdGgg aXMgdGhlIG1hc3RlciBzaG93aW5nIHVwIGFzICJlbnMxIiBmb3IgZXhhbXBsZSBhbmQgdGhlIGJh Y2t1cAo+PiBzaG93aW5nIHVwIGFzICJlbnMxbmJhY2t1cCIuIEFtIEkgdW5kZXJzdGFuZGluZyB0 aGF0IHJpZ2h0Pwo+IFllcywgcHJvdmlkZWQgc3lzdGVtZCBpcyBuZXcgZW5vdWdoLgoKWWVzLiBJ IGRpZCBhIHF1aWNrIHRlc3QgdG8gY29uZmlybSB0aGF0IGFkZGluZyBuZG9fcGh5c19wb3J0X25h bWUoKSB0byAKdmlydGlvX25ldApuZG9fb3BzIGZpeGVzIHRoZSB1ZGV2IG5hbWluZyBpc3N1ZSB3 aXRoIDIgdmlydGlvIG5ldGRldnMuwqAgVGhpcyBpcyBvbiAKZmVkb3JhMjcuCgoKPgo+PiBUaGUg cHJvYmxlbSB3aXRoIHRoZSB0ZWFtL2JvbmQlZCBhcHByb2FjaCBpcyB0aGF0IGl0IGNyZWF0ZXMg YSBuZXcKPj4gbmV0ZGV2aWNlIGFuZCBzbyBpdCB3b3VsZCByZXF1aXJlIGd1ZXN0IGNvbmZpZ3Vy YXRpb24gY2hhbmdlcy4KPj4KPj4+IElNSE8gcGh5c19wb3J0X25hbWUgPT0gImJhY2t1cCIgaWYg QkFDS1VQIGJpdCBpcyBzZXQgb24gc2xhdmUgdmlydGlvCj4+PiBsaW5rIGlzIHF1aXRlIG5lYXQu Cj4+IEkgYWdyZWUuIEZvciBub24tImJhY2t1cCIgdmlyaW9fbmV0IGRldmljZXMgd291bGQgaXQg YmUgb2theSBmb3IgdXMgdG8KPj4ganVzdCByZXR1cm4gLUVPUE5PVFNVUFA/IEkgYXNzdW1lIGl0 IHdvdWxkIGJlIGFuZCB0aGF0IHdheSB0aGUgbGVnYWN5Cj4+IGJlaGF2aW9yIGNvdWxkIGJlIG1h aW50YWluZWQgYWx0aG91Z2ggdGhlIGZ1bmN0aW9uIHN0aWxsIGV4aXN0cy4KPiBUaGF0J3MgbXkg dW5kZXJzdGFuZGluZyB0b28uCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpWaXJ0dWFsaXphdGlvbiBtYWlsaW5nIGxpc3QKVmlydHVhbGl6YXRpb25AbGlz dHMubGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3Jn L21haWxtYW4vbGlzdGluZm8vdmlydHVhbGl6YXRpb24=