From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Durrant Subject: Re: [RFC] netif: staging grants for requests Date: Fri, 6 Jan 2017 09:33:57 +0000 Message-ID: <61a6676e5cf5443690bd1eb0a796d9e5@AMSPEX02CL03.citrite.net> References: <58518B40.3050408@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cPQuO-0007mE-9f for xen-devel@lists.xenproject.org; Fri, 06 Jan 2017 09:34:00 +0000 In-Reply-To: <58518B40.3050408@oracle.com> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Joao Martins , "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , Stefano Stabellini , Wei Liu List-Id: xen-devel@lists.xenproject.org PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBKb2FvIE1hcnRpbnMgW21haWx0 bzpqb2FvLm0ubWFydGluc0BvcmFjbGUuY29tXQ0KPiBTZW50OiAxNCBEZWNlbWJlciAyMDE2IDE4 OjExDQo+IFRvOiB4ZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcNCj4gQ2M6IERhdmlkIFZy YWJlbCA8ZGF2aWQudnJhYmVsQGNpdHJpeC5jb20+OyBBbmRyZXcgQ29vcGVyDQo+IDxBbmRyZXcu Q29vcGVyM0BjaXRyaXguY29tPjsgV2VpIExpdSA8d2VpLmxpdTJAY2l0cml4LmNvbT47IFBhdWwg RHVycmFudA0KPiA8UGF1bC5EdXJyYW50QGNpdHJpeC5jb20+OyBTdGVmYW5vIFN0YWJlbGxpbmkg PHNzdGFiZWxsaW5pQGtlcm5lbC5vcmc+DQo+IFN1YmplY3Q6IFtSRkNdIG5ldGlmOiBzdGFnaW5n IGdyYW50cyBmb3IgcmVxdWVzdHMNCj4gDQo+IEhleSwNCj4gDQo+IEJhY2sgaW4gdGhlIFhlbiBo YWNrYXRvbiAnMTYgbmV0d29ya2luZyBzZXNzaW9uIHRoZXJlIHdlcmUgYSBjb3VwbGUgb2YgaWRl YXMNCj4gYnJvdWdodCB1cC4gT25lIG9mIHRoZW0gd2FzIGFib3V0IGV4cGxvcmluZyBwZXJtYW5l bnRseSBtYXBwZWQgZ3JhbnRzDQo+IGJldHdlZW4NCj4geGVuLW5ldGJhY2sveGVuLW5ldGZyb250 Lg0KPiANCj4gSSBzdGFydGVkIGV4cGVyaW1lbnRpbmcgYW5kIGNhbWUgdXAgd2l0aCBzb3J0IG9m IGEgZGVzaWduIGRvY3VtZW50IChpbg0KPiBwYW5kb2MpDQo+IG9uIHdoYXQgaXQgd291bGQgbGlr ZSB0byBiZSBwcm9wb3NlZC4gVGhpcyBpcyBtZWFudCBhcyBhIHNlZWQgZm9yIGRpc2N1c3Npb24N Cj4gYW5kIGFsc28gcmVxdWVzdGluZyBpbnB1dCB0byBrbm93IGlmIHRoaXMgaXMgYSBnb29kIGRp cmVjdGlvbi4gT2YgY291cnNlLCBJDQo+IGFtIHdpbGxpbmcgdG8gdHJ5IGFsdGVybmF0aXZlcyB0 aGF0IHdlIGNvbWUgdXAgYmV5b25kIHRoZSBjb250ZW50cyBvZiB0aGUNCj4gc3BlYywgb3IgYW55 IG90aGVyIHN1Z2dlc3RlZCBjaGFuZ2VzIDspDQo+IA0KPiBBbnkgY29tbWVudHMgb3IgZmVlZGJh Y2sgaXMgd2VsY29tZSENCj4gDQoNCkhpLA0KDQogIFNvcnJ5IGZvciB0aGUgZGVsYXkuLi4gSSd2 ZSBiZWVuIE9PVE8gZm9yIHRocmVlIHdlZWtzLg0KDQogIEkgbGlrZSB0aGUgZ2VuZXJhbCBhcHBy b2FjaCBvciBwcmUtZ3JhbnRpbmcgYnVmZmVycyBmb3IgUlggc28gdGhhdCB0aGUgYmFja2VuZCBj YW4gc2ltcGx5IG1lbWNweSBhbmQgdGVsbCB0aGUgZnJvbnRlbmQgd2hpY2ggYnVmZmVyIGEgcGFj a2V0IGFwcGVhcnMgaW4gYnV0IElJVUMgeW91IGFyZSBwcm9wb3NpbmcgdXNlIG9mIGEgc2luZ2xl IHByZS1ncmFudGVkIGFyZWEgZm9yIFRYIGFsc28sIHdoaWNoIHdvdWxkIHByZXN1bWFibHkgcmVx dWlyZSB0aGUgZnJvbnRlbmQgdG8gYWx3YXlzIGNvcHkgb24gdGhlIFRYIHNpZGU/IEkgd29uZGVy IGlmIHdlIG1pZ2h0IGdvIGZvciBhIHNsaWdodGx5IGRpZmZlcmVudCBzY2hlbWUuLi4NCg0KICBU aGUgYXNzdW1wdGlvbiBpcyB0aGF0IHRoZSB3b3JraW5nIHNldCBvZiBUWCBidWZmZXJzIGluIHRo ZSBndWVzdCBPUyBpcyBmYWlybHkgc21hbGwgKHdoaWNoIGlzIHByb2JhYmx5IHRydWUgZm9yIGEg c21hbGwgbnVtYmVyIG9mIGhlYXZpbHkgdXNlZCBzb2NrZXRzIGFuZCBhbiBPUyB0aGF0IHVzZXMg YSBzbGFiIGFsbG9jYXRvcikuLi4NCg0KICBUaGUgZ3Vlc3QgVFggY29kZSBtYWludGFpbnMgYSBo YXNoIHRhYmxlIG9mIGJ1ZmZlciBhZGRyZXNzZXMgdG8gZ3JhbnQgcmVmcy4gV2hlbiBhIHBhY2tl dCBpcyBzZW50IHRoZSBjb2RlIGxvb2tzIHRvIHNlZSBpZiBpdCBoYXMgYWxyZWFkeSBncmFudGVk IHRoZSBidWZmZXIgYW5kIHJlLXVzZXMgdGhlIGV4aXN0aW5nIHJlZiBpZiBzbywgb3RoZXJ3aXNl IGl0IGdyYW50cyB0aGUgYnVmZmVyIGFuZCBhZGRzIHRoZSBuZXcgcmVmIGludG8gdGhlIHRhYmxl Lg0KDQogIFRoZSBiYWNrZW5kIGFsc28gbWFpbnRhaW5zIGEgaGFzaCBvZiBncmFudCByZWZzIHRv IGFkZHJlc3NlcyBhbmQsIHdoZW5ldmVyIGl0IHNlZXMgYSBuZXcgcmVmLCBpdCBncmFudCBtYXBz IGl0IGFuZCBhZGRzIHRoZSBhZGRyZXNzIGludG8gdGhlIHRhYmxlLiBPdGhlcndpc2UgaXQgZG9l cyBhIGhhc2ggbG9va3VwIGFuZCB0aHVzIGhhcyBhIGJ1ZmZlciBhZGRyZXNzIGl0IGNhbiBpbW1l ZGlhdGVseSBtZW1jcHkgZnJvbS4NCg0KICBJZiB0aGUgZnJvbnRlbmQgd2FudHMgdGhlIGJhY2tl bmQgdG8gcmVsZWFzZSBhIGdyYW50IHJlZiAoZS5nLiBiZWNhdXNlIGl0J3Mgc3RhcnRpbmcgdG8g cnVuIG91dCBvZiBncmFudCB0YWJsZSkgdGhlbiBhIGNvbnRyb2wgbWVzc2FnZSBjYW4gYmUgdXNl ZCB0byBhc2sgZm9yIGl0IGJhY2ssIGF0IHdoaWNoIHBvaW50IHRoZSBiYWNrZW5kIHJlbW92ZXMg dGhlIHJlZiBmcm9tIGl0cyBjYWNoZSBhbmQgdW5tYXBzIGl0Lg0KDQogIFVzaW5nIHRoaXMgc2No ZW1lIHdlIGFsbG93IGEgZ3Vlc3QgT1MgdG8gc3RpbGwgdXNlIGVpdGhlciBhIHplcm8tY29weSBh cHByb2FjaCBpZiBpdCB3aXNoZXMgdG8gZG8gc28sIG9yIGEgc3RhdGljIHByZS1ncmFudC4uLiBv ciBzb21ldGhpbmcgYmV0d2VlbiAoZS5nLiBwcmUtZ3JhbnQgZm9yIGhlYWRlcnMsIHplcm8gY29w eSBmb3IgYnVsayBkYXRhKS4NCg0KICBEb2VzIHRoYXQgc291bmQgcmVhc29uYWJsZT8NCg0KICAg IFBhdWwNCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhl bi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cHM6Ly9saXN0 cy54ZW4ub3JnL3hlbi1kZXZlbAo=