From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Durrant Subject: Re: [PATCH v2] x86/hvm: re-work viridian APIC assist code Date: Wed, 5 Sep 2018 09:36:22 +0000 Message-ID: <88abe6b0dee947ad93af543653dde12a@AMSPEX02CL03.citrite.net> References: <20180118151059.1336-1-paul.durrant@citrix.com> <1535153880.24926.28.camel@infradead.org> <1536093061.31549.47.camel@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1fxUEb-0000hz-9T for xen-devel@lists.xenproject.org; Wed, 05 Sep 2018 09:36:25 +0000 In-Reply-To: <1536093061.31549.47.camel@infradead.org> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: 'David Woodhouse' , "xen-devel@lists.xenproject.org" Cc: Eslam Elnikety , Andrew Cooper , Shan Haitao , Jan Beulich List-Id: xen-devel@lists.xenproject.org PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBEYXZpZCBXb29kaG91c2UgW21h aWx0bzpkd213MkBpbmZyYWRlYWQub3JnXQ0KPiBTZW50OiAwNCBTZXB0ZW1iZXIgMjAxOCAyMToz MQ0KPiBUbzogUGF1bCBEdXJyYW50IDxQYXVsLkR1cnJhbnRAY2l0cml4LmNvbT47IHhlbi1kZXZl bEBsaXN0cy54ZW5wcm9qZWN0Lm9yZw0KPiBDYzogQW5kcmV3IENvb3BlciA8QW5kcmV3LkNvb3Bl cjNAY2l0cml4LmNvbT47IEphbiBCZXVsaWNoDQo+IDxqYmV1bGljaEBzdXNlLmNvbT47IEVzbGFt IEVsbmlrZXR5IDxlbG5pa2V0eUBhbWF6b24uZGU+OyBTaGFuIEhhaXRhbw0KPiA8aGFpdGFvLnNo YW5AaW50ZWwuY29tPg0KPiBTdWJqZWN0OiBSZTogW1hlbi1kZXZlbF0gW1BBVENIIHYyXSB4ODYv aHZtOiByZS13b3JrIHZpcmlkaWFuIEFQSUMgYXNzaXN0DQo+IGNvZGUNCj4gDQo+IE9uIE1vbiwg MjAxOC0wOS0wMyBhdCAxMDoxMiArMDAwMCwgUGF1bCBEdXJyYW50IHdyb3RlOg0KPiA+DQo+ID4g SSBiZWxpZXZlIEFQSUMgYXNzaXN0IGlzIGludGVuZGVkIGZvciBmdWxseSBzeW50aGV0aWMgaW50 ZXJydXB0cy4NCj4gDQo+IEhtLCBpZiBieSAnZnVsbHkgc3ludGhldGljIGludGVycnVwdHMnIHlv dSBtZWFuDQo+IHZsYXBpY192aXJ0dWFsX2ludHJfZGVsaXZlcnlfZW5hYmxlZCgpLCB0aGVuIG5v IEkgdGhpbmsgQVBJQyBhc3Npc3QNCj4gZG9lc24ndCBnZXQgdXNlZCBpbiB0aGF0IGNhc2UgYXQg YWxsLg0KDQpObywgd2hhdCBJIG1lYW50IHdhcyB0aGF0IGl0IHdhcyBteSBiZWxpZWYgdGhhdCBX aW5kb3dzIHdvdWxkIGF2b2lkIEFQSUMgYXNzaXN0IGZvciB3aGF0IGl0IHNlZXMgYXMgZGV2aWNl cyBvbiBhIGhhcmR3YXJlIGJ1cyBidXQgLSBub3cgSSB0aGluayBhYm91dCBpdCAtIHRoYXQgd291 bGQgbm90IGJlIHdvbmRlcmZ1bGx5IHVzZWZ1bCBiZWhhdmlvdXIgYW5kIHdvdWxkIGNlcnRhaW5s eSBzcXVhc2ggdGhlIHJlYXNvbiBJIHB1dCB0aGUgc3VwcG9ydCBpbiBhbnl3YXksIHdoaWNoIGlz IGZvciB0aGUgZWRnZSB0cmlnZ2VyZWQgcGVyLWNwdSBldmVudCBjaGFubmVsIHVwY2FsbHMgZnJv bSBYZW4gKHNpbmNlIHRoZSBkcml2ZXIgcmVnaXN0ZXJpbmcgdGhlIGludGVycnVwdHMgaXMgYm91 bmQgdG8gdGhlIFhlbiBwbGF0Zm9ybSBQQ0kgZGV2aWNlKS4NCg0KPiANCj4gPiBJcyBpdCBkZWZp bml0ZWx5IHRoaXMgcGF0Y2ggdGhhdCBjYXVzZXMgdGhlIHByb2JsZW0/IEl0IHdhcyBvbmx5DQo+ ID4gaW50ZW5kZWQgdG8gZml4IHByZXZpb3VzIGluY29ycmVjdG5lc3MgYnV0LCBpZiB0aGlzIGlz IHRoZSBjdWxwcml0LA0KPiA+IHRoZW4gaXQncyBjbGVhcmx5IGNhdXNlZCBjb2xsYXRlcmFsIGRh bWFnZSBpbiBhIGxvZ2ljYWxseSB1bnJlbGF0ZWQNCj4gPiBhcmVhLg0KPiANCj4gTm90IGVudGly ZWx5LiBUaGUgcGVyZm9ybWFuY2UgZ2FpbiB3ZSBvYnNlcnZlZCB3aXRoIEFQSUMgYXNzaXN0IGlu IHRoZQ0KPiBmaXJzdCBwbGFjZSB3YXMgYmFzaWNhbGx5IHN0b2xlbi4gSXQgd2Fzbid0IGp1c3Qg YnlwYXNzaW5nIHRoZSB2bWV4aXQNCj4gZm9yIHRoYXQgRU9JOyBpdCB3YXMgKnNvKiBtdWNoIGZh c3RlciBiZWNhdXNlIGl0IGFjdHVhbGx5IGRpZG4ndCBldmVyDQo+IGRvIHRoZSBFT0kgcHJvcGVy bHkgYXQgYWxsLg0KPiANCj4gWW91IGZpeGVkIHRoYXQgb21pc3Npb24gYW5kIHVuc3VycHJpc2lu Z2x5IGl0IGdvdCBzbG93ZXIgYWdhaW47IG1vc3Qgb2YNCj4gdGhlIGFwcGFyZW50IGJlbmVmaXQg b2YgQVBJQyBhc3Npc3QgaXMgbG9zdC4gQnV0IHRoYXQncyBiZWNhdXNlIGl0IHdhcw0KPiBuZXZl ciByZWFsbHkgZG9pbmcgdGhlIHJpZ2h0IHRoaW5nIGluIHRoZSBmaXJzdCBwbGFjZS4NCj4gDQo+ IFRoYXQgRU9JIGhhbmRsaW5nIGZvciB1bm1hc2thYmxlIE1TSSBpcyByZWFsbHkgcGFpbmZ1bGx5 IHNsb3csIHNvIG15DQo+IGhhY2sgYnlwYXNzZXMgaXQgaW4gdGhlIGNvbW1vbiBjYXNlIHdoZXJl IGl0IGlzbid0IHJlYWxseSBuZWNlc3NhcnkuDQo+IEZXSVcgSSd2ZSBkb25lIGl0IGluIG15IHRy ZWUgd2l0aCBhIHNpbmdsZSBwZXItZG9tYWluIGZsYWcgcmF0aGVyIHRoYW4NCj4gYSBwZXItdmVj dG9yIGJpdG1hcCBub3csIHdoaWNoIG1ha2VzIGl0IHNsaWdodGx5IHNpbXBsZXIuDQoNCkkgc2Vl LiBHaXZlbiB0aGF0IFdpbmRvd3MgaGFzIHVzZWQgQVBJQyBhc3Npc3QgdG8gY2lyY3VtdmVudCBp dHMgRU9JIHRoZW4gSSB3b25kZXIgd2hldGhlciB3ZSBjYW4gZ2V0IGF3YXkgd2l0aCBlc3NlbnRp YWxseSBkb2luZyB0aGUgc2FtZS4gSS5lLiBmb3IgYSBjb21wbGV0ZWQgQVBJQyBhc3Npc3QgZm91 bmQgaW4gdmxhcGljX2hhc19wZW5kaW5nX2lycSgpIHdlIHNpbXBseSBjbGVhciB0aGUgQVBJQyBh c3Npc3QgYW5kIGhpZ2hlc3QgdmVjdG9yIGluIHRoZSBJU1IsIHJhdGhlciB0aGFuIGNhbGxpbmcg dGhyb3VnaCB0byB2bGFwaWNfRU9JX3NldCgpIGFuZCBzdWZmZXJpbmcgdGhlIG92ZXJoZWFkLiBJ J2xsIHNwaW4gdXAgYSBwYXRjaCBhbmQgZ2l2ZSBpdCBhIHdoaXJsLg0KDQogIFBhdWwNCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWls aW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVu cHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=