From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH v2] x86/apicv: fix RTC periodic timer and apicv issue Date: Mon, 26 Sep 2016 00:35:07 -0600 Message-ID: <57E8DDBB02000078001124BE@prv-mh.provo.novell.com> References: <57E5677402000078001120A7@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: "Xuquan (Euler)" , Kevin Tian Cc: "yang.zhang.wz@gmail.com" , "Hanweidong (Randy)" , "George.Dunlap@eu.citrix.com" , Andrew Cooper , Tim Deegan , "xen-devel@lists.xen.org" , Jiangyifei , Jun Nakajima List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDI0LjA5LjE2IGF0IDAxOjM0LCA8a2V2aW4udGlhbkBpbnRlbC5jb20+IHdyb3RlOgo+ PiAgRnJvbTogSmFuIEJldWxpY2ggW21haWx0bzpKQmV1bGljaEBzdXNlLmNvbV0KPj4gU2VudDog RnJpZGF5LCBTZXB0ZW1iZXIgMjMsIDIwMTYgMTE6MzQgUE0KPj4gCj4+ID4+PiBPbiAyMC4wOS4x NiBhdCAxNTozMCwgPHh1cXVhbjhAaHVhd2VpLmNvbT4gd3JvdGU6Cj4+ID4gLS0tIGEveGVuL2Fy Y2gveDg2L2h2bS92bGFwaWMuYwo+PiA+ICsrKyBiL3hlbi9hcmNoL3g4Ni9odm0vdmxhcGljLmMK Pj4gPiBAQCAtNDMzLDYgKzQzMywxMiBAQCB2b2lkIHZsYXBpY19FT0lfc2V0KHN0cnVjdCB2bGFw aWMgKnZsYXBpYykKPj4gPiAgdm9pZCB2bGFwaWNfaGFuZGxlX0VPSShzdHJ1Y3QgdmxhcGljICp2 bGFwaWMsIHU4IHZlY3RvcikKPj4gPiAgewo+PiA+ICAgICAgc3RydWN0IGRvbWFpbiAqZCA9IHZs YXBpY19kb21haW4odmxhcGljKTsKPj4gPiArICAgIHN0cnVjdCB2Y3B1ICp2ID0gdmxhcGljX3Zj cHUodmxhcGljKTsKPj4gPiArICAgIHN0cnVjdCBodm1faW50YWNrIHB0X2ludGFjazsKPj4gPiAr Cj4+ID4gKyAgICBwdF9pbnRhY2sudmVjdG9yID0gdmVjdG9yOwo+PiA+ICsgICAgcHRfaW50YWNr LnNvdXJjZSA9IGh2bV9pbnRzcmNfbGFwaWM7Cj4+ID4gKyAgICBwdF9pbnRyX3Bvc3QodiwgcHRf aW50YWNrKTsKPj4gCj4+IFRoaXMgYWxzbyBzaXRzIG9uIHRoZSBFT0kgTEFQSUMgcmVnaXN0ZXIg d3JpdGUgcGF0aCwgaS5lLiB0aGUgY2hhbmdlCj4+IHRoZW4gYWxzbyBhZmZlY3RzIG5vbi1hcGlj diBlbnZpcm9ubWVudHMuCj4gCj4gVGhlIG5ldyBsb2dpYyBzaG91bGQgYmUgZW50ZXJlZCBvbmx5 IHdoZW4gRU9JLWluZHVjZWQgZXhpdCBoYXBwZW5zLgoKVG8gbWUgdGhpcyByZXBseSByZWFkcyBh bWJpZ3VvdXNseTogRG9lcyAic2hvdWxkIiBoZXJlIG1lYW4gdGhlCnBhdGNoIG5lZWRzIGZ1cnRo ZXIgYWRqdXN0bWVudCBpbiB5b3VyIG9waW5pb24sIG9yIHRoYXQgeW91IHRoaW5rCnRoZSBwYXRj aCBhbHJlYWR5IGRvZXMgd2hhdCBpcyBuZWVkZWQgdG8gZW5zdXJlIHRoZSBuZXcgbG9naWMgdG8K YmV0IGludm9sdmVkIG9ubHkgaW4gdGhlIEVPSS1pbmR1Y2VkIGV4aXQgY2FzZS4gVG8gbWUgaXQg Y29udGludWVzCnRvIGxvb2sgbGlrZSB0aGUgZm9ybWVyLgoKPj4gRnVydGhlcm1vcmUgLSBkb24n dCB3ZSBoYXZlIHRoZSBzYW1lIHByb2JsZW0gYXMgd2l0aCB2MSBhZ2Fpbgo+PiB0aGVuPyBXaGF0 IHByZXZlbnRzIG11bHRpcGxlIEVPSXMgdG8gY29tZSBoZXJlIGJlZm9yZSB0aGUgdGltZXIKPj4g aW50ZXJydXB0IGFjdHVhbGx5IGdldHMgaGFuZGxlZD8gWW91J2QgdGhlbiBjbGVhciAtPmlycV9p c3N1ZWQKPj4gZWFjaCB0aW1lLCByZW5kZXJpbmcgeW91ciBjaGFuZ2UgdG8gcHRfdXBkYXRlX2ly cSgpIGluZWZmZWN0aXZlLgo+IAo+IGJhc2VkIG9uIHRoaXMgcGF0Y2gsIG9uZSBpcnFfaXNzdWVk IHNob3VsZCBjYXVzZSBvbmx5IG9uZSBFT0kgb24KPiByZWxhdGVkIHB0IHZlY3RvciBhbmQgdGhp cyBFT0kgZXhpdCBjbGVhcnMgaXJxX2lzc3VlZCB0aGVuIG5leHQgRU9JCj4gd291bGQgYmUgc2Vl biBvbmx5IHVwb24gYW5vdGhlciBpbmplY3Rpb24gd2hlbiBpcnFfaXNzdWVkIGlzIHNldAo+IGFn YWluLi4uIEhvd2V2ZXIgdGhlcmUgbWlnaHQgYmUgYW4gaXNzdWUgaWYgdGhpcyBwdCB2ZWN0b3Ig aXMgc2hhcmVkIAo+IHdpdGggYW5vdGhlciBkZXZpY2UgaW50ZXJydXB0LCB3aGljaCBhbHRob3Vn aCBpcyBub3QgYSB0eXBpY2FsIGNhc2UuLi4KClRoYXQncyBhIGNvbW1vbiBwcm9ibGVtOiBJIGRv bid0IHRoaW5rIHdlIGNhbiBjb25zaWRlciBvbmx5IHRoZQp0eXBpY2FsIGNhc2UuIE9yIGRvZXMg aGFyZHdhcmUgb25seSBkZWFsIHdpdGggdGhvc2UsIHRvbz8KCkFuZCB0aGVuIHRoZSAic2hvdWxk IiBoZXJlIHJlYWRzIGFzIGFtYmlndW91c2x5IHRvIG1lIGFzIHRoZQplYXJsaWVyIG9uZSwgdGhl IG1vcmUgdGhhdCB5b3Ugc2VlbSB0byBjb25zaWRlciBFT0lzIGZvciBvbmx5IHRoZQpvbmUgdmVj dG9yIG9mIGludGVyZXN0LCB3aGVyZWFzIG15IHJlcGx5IHdhcyBzcGVjaWZpY2FsbHkgbWVhbnQK dG8gY292ZXIgYWxzbyBFT0lzIGZvciBvdGhlciB2ZWN0b3JzLgoKPj4gPiAtLS0gYS94ZW4vYXJj aC94ODYvaHZtL3ZteC9pbnRyLmMKPj4gPiArKysgYi94ZW4vYXJjaC94ODYvaHZtL3ZteC9pbnRy LmMKPj4gPiBAQCAtMzMzLDggKzMzMyw2IEBAIHZvaWQgdm14X2ludHJfYXNzaXN0KHZvaWQpCj4+ ID4gICAgICAgICAgICAgIGNsZWFyX2JpdChpLCAmdi0+YXJjaC5odm1fdm14LmVvaV9leGl0bWFw X2NoYW5nZWQpOwo+PiA+ICAgICAgICAgICAgICBfX3Ztd3JpdGUoRU9JX0VYSVRfQklUTUFQKGkp LCB2LT5hcmNoLmh2bV92bXguZW9pX2V4aXRfYml0bWFwW2ldKTsKPj4gPiAgICAgICAgICB9Cj4+ ID4gLQo+PiA+IC0gICAgICAgIHB0X2ludHJfcG9zdCh2LCBpbnRhY2spOwo+PiA+ICAgICAgfQo+ PiAKPj4gSSdsbCBkZWZlciB0byB0aGUgVk1YIG1haW50YWluZXJzIHRvIGRldGVybWluZSB3aGV0 aGVyIHJlbW92aW5nIHRoaXMKPj4gYnV0IG5vdCB0aGUgb3RoZXIgb25lIGlzIGNvcnJlY3QuCj4g Cj4gVGhpcyBpcyBjb3JyZWN0LiBUaGUgb3RoZXIgb25lIGlzIGZvciBub24tYXBpY3Ygc2NlbmFy aW8uCgpTdXJlLCBidXQgdGhlIG90aGVyIHBhdGggd2lsbCBhbHNvIGdldCB1c2VkIHVuZGVyIGNl cnRhaW4gY29uZGl0aW9ucwpldmVuIHdoZW4gYXBpY3YgaXMgaW4gdXNlLgoKPj4gPiAtLS0gYS94 ZW4vYXJjaC94ODYvaHZtL3ZwdC5jCj4+ID4gKysrIGIveGVuL2FyY2gveDg2L2h2bS92cHQuYwo+ PiA+IEBAIC0yNTIsNyArMjUyLDggQEAgaW50IHB0X3VwZGF0ZV9pcnEoc3RydWN0IHZjcHUgKnYp Cj4+ID4gICAgICAgICAgICAgIH0KPj4gPiAgICAgICAgICAgICAgZWxzZQo+PiA+ICAgICAgICAg ICAgICB7Cj4+ID4gLSAgICAgICAgICAgICAgICBpZiAoIChwdC0+bGFzdF9wbHRfZ3RpbWUgKyBw dC0+cGVyaW9kKSA8IG1heF9sYWcgKQo+PiA+ICsgICAgICAgICAgICAgICAgaWYgKCAocHQtPmxh c3RfcGx0X2d0aW1lICsgcHQtPnBlcmlvZCkgPCBtYXhfbGFnICYmCj4+ID4gKyAgICAgICAgICAg ICAgICAgICAgICFwdC0+aXJxX2lzc3VlZCApCj4+ID4gICAgICAgICAgICAgICAgICB7Cj4+ID4g ICAgICAgICAgICAgICAgICAgICAgbWF4X2xhZyA9IHB0LT5sYXN0X3BsdF9ndGltZSArIHB0LT5w ZXJpb2Q7Cj4+ID4gICAgICAgICAgICAgICAgICAgICAgZWFybGllc3RfcHQgPSBwdDsKPj4gCj4+ IExvb2tpbmcgYXQgdGhlIHJlc3Qgb2YgdGhlIGNvZGUgSSByZWFsbHkgd29uZGVyIHdoeSB0aGlz IGNoZWNrCj4+IGhhZG4ndCBiZWVuIHRoZXJlIGZyb20gdGhlIGJlZ2lubmluZy4gVGltLCBkbyBy ZWNhbGwgd2hldGhlcgo+PiB0aGlzIHdhcyBpbnRlbnRpb25hbCAoYXMgb3Bwb3NlZCB0byBzaW1w bHkgaGF2aW5nIGJlZW4gYW4KPj4gb3ZlcnNpZ2h0KT8KPiAKPiBQb3NzaWJseSBzaW1wbGlmeSB0 aGUgZW11bGF0aW9uIGJ5IHJlbHlpbmcgb24gSVJSL0lTUiB0byBoYW5kbGluZyBwZW5kaW5nCj4g c2l0dWF0aW9uPwoKQWdhaW4gSSdtIHN1ZmZlcmluZyBhbWJpZ3VpdHkgaGVyZTogRG8geW91IHN1 Z2dlc3QgYSBwb3NzaWJsZQpleHBsYW5hdGlvbiBmb3Igd2h5IHRoaW5ncyBhcmUgdGhlIHdheSB0 aGV5IGFyZSwgb3IgYSBwb3NzaWJsZQpjb2RlIGFkanVzdG1lbnQgdG8gYmUgZG9uZT8KCkphbgoK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZl bCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cHM6Ly9saXN0cy54ZW4u b3JnL3hlbi1kZXZlbAo=