From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Tian, Kevin" Subject: Re: [PATCH v2] x86/apicv: fix RTC periodic timer and apicv issue Date: Wed, 26 Oct 2016 05:19:54 +0000 Message-ID: References: <57E5677402000078001120A7@prv-mh.provo.novell.com> <57E8DEB702000078001124CE@prv-mh.provo.novell.com> <57FB7E050200007800116039@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-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: "Xuquan (Quan Xu)" , Jan Beulich Cc: "yang.zhang.wz@gmail.com" , "Hanweidong (Randy)" , "George.Dunlap@eu.citrix.com" , Andrew Cooper , Tim Deegan , "xen-devel@lists.xen.org" , Jiangyifei , "Nakajima, Jun" List-Id: xen-devel@lists.xenproject.org PiBGcm9tOiBYdXF1YW4gKFF1YW4gWHUpIFttYWlsdG86eHVxdWFuOEBodWF3ZWkuY29tXQo+IFNl bnQ6IFR1ZXNkYXksIE9jdG9iZXIgMjUsIDIwMTYgNDozNiBQTQo+IAo+IE9uIE9jdG9iZXIgMjQs IDIwMTYgMzowMiBQTSwgVGlhbiwgS2V2aW4gd3JvdGU6Cj4gPj4gRnJvbTogWHVxdWFuIChRdWFu IFh1KSBbbWFpbHRvOnh1cXVhbjhAaHVhd2VpLmNvbV0KPiA+PiBTZW50OiBNb25kYXksIE9jdG9i ZXIgMTcsIDIwMTYgNToyOCBQTQo+ID4+Cj4gPj4gPj4KPiA+PiA+PkJhY2sgdG8gdGhlIG1haW4g b3BlbiBiZWZvcmUgaG9saWRheSAtIG11bHRpcGxlIEVPSXMgbWF5IGNvbWUgdG8KPiA+PiA+PmNs ZWFyIGlycV9pc3N1ZWQgYmVmb3JlIGd1ZXN0IGFjdHVhbGx5IGhhbmRsZXMgdGhlIHZlcnkgdnB0 Cj4gPj4gPj5pbmplY3Rpb24gKHBvc3NpYmxlIGlmIHZwdCB2ZWN0b3IgaXMgc2hhcmVkIHdpdGgg b3RoZXIgc291cmNlcykuIEkKPiA+PiA+PmRvbid0IHNlZSBhIGdvb2Qgc29sdXRpb24gb24gdGhh dCBvcGVuLi4uIDovCj4gPj4gPj4KPiA+PiA+PldlJ3ZlIGRpc2N1c3NlZCB2YXJpb3VzIG9wdGlv bnMgd2hpY2ggYWxsIGZhaWwgaW4gb25lIG9yIGFub3RoZXIKPiA+PiA+PnBsYWNlCj4gPj4gPj4t IGVpdGhlciBtaXNzIGFuIGluamVjdGlvbiwgb3IgaW5jdXIgdW5kZXNpcmVkIGluamVjdGlvbnMu Cj4gPj4gPj5Qb3NzaWJseSB3ZSBzaG91bGQgY29uc2lkZXIgYW5vdGhlciBkaXJlY3Rpb24gLSBm YWxsIGJhY2sgdG8KPiA+PiA+Pm5vbi1hcGljdiBwYXRoIHdoZW4gd2Ugc2VlIHZwdCB2ZWN0b3Ig cGVuZGluZyBidXQgaXQncyBub3QgdGhlIGhpZ2hlc3Qgb25lLgo+ID4+ID4+Cj4gPj4gPj5Pcmln aW5hbCBjb25kaXRpb24gdG8gZW50ZXIgdmlydHVhbCBpbnRyIGRlbGl2ZXJ5Ogo+ID4+ID4+CSAg ICBlbHNlIGlmICggY3B1X2hhc192bXhfdmlydHVhbF9pbnRyX2RlbGl2ZXJ5ICYmCj4gPj4gPj4g ICAgICAgICAgICAgIGludGFjay5zb3VyY2UgIT0gaHZtX2ludHNyY19waWMgJiYKPiA+PiA+PiAg ICAgICAgICAgICAgaW50YWNrLnNvdXJjZSAhPSBodm1faW50c3JjX3ZlY3RvciApCj4gPj4gPj4K PiA+PiA+Pm5vdyBuZXcgY29uZGl0aW9uOgo+ID4+ID4+CSAgICBlbHNlIGlmICggY3B1X2hhc192 bXhfdmlydHVhbF9pbnRyX2RlbGl2ZXJ5ICYmCj4gPj4gPj4gICAgICAgICAgICAgIGludGFjay5z b3VyY2UgIT0gaHZtX2ludHNyY19waWMgJiYKPiA+PiA+PiAgICAgICAgICAgICAgaW50YWNrLnNv dXJjZSAhPSBodm1faW50c3JjX3ZlY3RvciAmJgo+ID4+ID4+CQkJKHB0X3ZlY3RvciA9PSAtMSB8 fCBpbnRhY2sudmVjdG9yID09IHB0X3ZlY3RvcikgKQo+ID4+ID4+Cj4gPj4gPj5UaG91Z2h0cz8K PiA+PiA+Pgo+ID4+ID5LZXZpbiwKPiA+PiA+V2hlbiBJIHRyeSB0byBmaXggaXQgYXMgeW91ciBz dWdnZXN0aW9uLCBJIGNhbm5vdCBib290IHRoZSBndWVzdCwKPiA+PiA+d2l0aCBiZWxvdyBtZXNz YWdlKGZyb20geGwgZG1lc2cpOgo+ID4+Cj4gPj4gd2l0aCBLZXZpbidzIHBhdGNoLCB0aGUgaHlw ZXJ2aXNvciBhbHdheXMgY2FsbHMgJyB2bXhfaW5qZWN0X2V4dGludCgpCj4gPj4gLT4gX192bXhf aW5qZWN0X2V4Y2VwdGlvbigpJyB0byBpbmplY3QgZXhjZXB0aW9uLCB0aGVuIHZtLWVudHJ5IG9u IGxvb3AuLgo+ID4+IHRoZSBpbnRlcnJ1cHQgKFBUIG9yIElQSSwgb3Igb3RoZXJzKSBjYW4ndCBk ZWxpdmVyIHRvIGd1ZXN0Li4KPiA+Pgo+ID4+IGFuZCBzbyBmYXIsIHdlIHN1cHByZXNzIE1TUi1i YXNlZCBBUElDIHN1Z2dlc3Rpb24gd2hlbiBoYXZpbmcgQVBJQy1WCj4gPj4gYnkKPiA+PiBodHRw Oi8veGVuYml0cy54ZW4ub3JnL2dpdHdlYi8/cD14ZW4uZ2l0O2E9Y29tbWl0ZGlmZjtoPTdmMmU5 OTJiODI0ZWM2Cj4gPj4gMmEyODE4ZTY0Mwo+ID4+IDkwYWMyY2NmYmQ3NGU2YjcKPiA+PiBzbyBJ IHRoaW5rIHdlIGNvdWxkbid0IGZhbGxiYWNrIHRvIG5vbi1hcGljdiBkeW5hbWljYWxseSBoZXJl Li4KPiA+Pgo+ID4KPiA+V2hhdCBhYm91dCBzZXR0aW5nIEVPSSBleGl0IGJpdG1hcCBmb3IgaW50 YWNrLnZlY3RvciB3aGVuIGl0J3MgaGlnaGVyIHRoYW4KPiA+cGVuZGluZyBwdF92ZWN0b3I/IFRo aXMgd2F5IHdlIGNhbiBndWFyYW50ZWUgdGhlcmUncyBhbHdheXMgYSBjaGFuY2UgdG8gcG9zdAo+ ID5wdF92ZWN0b3Igd2hlbiBwdF92ZWN0b3IgYmVjb21lcyB0aGUgaGlnaGVzdCBvbmUuLi4KPiA+ Cj4gPihvZiBjb3Vyc2UgeW91IG5lZWQgbWFrZSBsYXRlciBwdF9pbnRyX3Bvc3QgY29uZGl0aW9u YWxseSB0aGVuLCBvbmx5IHdoZW4KPiA+aW50YWNrLnZlY3Rvcj09cHRfdmVjdG9yKQo+IAo+IEtl dmluLCB0aGFua3MgZm9yIHlvdXIgcG9zaXRpdmUgcmVwbHkuIEkgaGF2ZSByZXR1cm5lZCBiYWNr IHRoYXQgc2VydmVyIChJbnRlbChSKSBYZW9uKFIpCj4gQ1BVIEU1LTI2MjAgdjMpLCBzbyBJIGNh bid0Cj4gVmVyaWZ5IGl0IG9uIHRpbWUuCj4gCj4gQnkgbXkgdW5kZXJzdGFuZGluZywgJydWaXJ0 dWFsLUludGVycnVwdCBEZWxpdmVyeScnIGFuZCAiRU9JIFZpcnR1YWxpemF0aW9uIiB3ZXJlCj4g aW5kZXBlbmRlbnQgb2YgZWFjaCBvdGhlci4KPiBFdmVuIHdlIHNldCBzZXR0aW5nIEVPSSBleGl0 IGJpdG1hcCBoZXJlIHRvIGNhdXNlIEVPSS1pbmR1Y2VkIFZNIGV4aXQsIHdlIHN0aWxsIGNhbid0 Cj4gZ3VhcmFudGVlIHRoZSBQVCBpbnRlcnJ1cHQgaXMgZGVsaXZlcmVkIHRvIGd1ZXN0Cj4gIGZy b20gIHRoZSBoaWdoZXN0IG9uZSBkZWxpdmVyZWQgICAgICB0byAgICAgIHRoZSBoaWdoZXN0IG9u ZSBFT0ktaW5kdWNlZCBWTSBleGl0Li4KCkNhbiB5b3UgZWxhYm9yYXRlIHdoeSB5b3UgdGhpbmsg aXQgZG9lc24ndCB3b3JrPyBJIGRpZG4ndCBnZXQgeW91ciBwb2ludApoZXJlLiBUaGUgaWRlYSBo ZXJlIGlzIHRoYXQgZ2l2ZW4gYWJvdmUgc2l0dWF0aW9uIG9jY3VycyAtIG11bHRpcGxlIHBlbmRp bmcKdmVjdG9ycyBidXQgcHRfdmVjdG9yIGlzIG5vdCB0aGUgaGlnaGVzdCAtIHNldCBFT0kgZXhp dCBiaXRtYXAgZm9yIGhpZ2hlc3QKdmVjdG9yLiBUaGVuIG9uY2UgZ3Vlc3QgRU9JIHRvIHRoZSBo aWdoZXN0IHZlY3RvciwgYSBWTS1leGl0IGhhcHBlbnMgYW5kCnRoZW4gaWYgcHRfdmVjdG9yIGhh cHBlbnMgdG8gYmUgdGhlIG5leHQgaGlnaGVzdCB2ZWN0b3IsIHlvdSBoYXZlIGNoYW5jZQp0byBw dF9pbnRyX3Bvc3QgYmVmb3JlIHJlc3VtaW5nIHRvIHRoZSBndWVzdC4gCgpFT0kgZXhpdCBiaXRt YXAgYW55d2F5IGlzIHJlcXVpcmVkIGZvciB2cHQgdG8gd29yayBjb3JyZWN0bHkuLi4KCj4gCj4g SSBhbSBhZnJhaWQgd2UgY291bGQgZmluZCBhIGNsZWFuIHNvbHV0aW9uIGJhc2VkIG9uIGN1cnJl bnQgaW1wbGVtZW50YXRpb24gKGt2bSBpcyBvaykuLgo+IGFuZCBhcGljdiByZXN1bHRzIGluIGRl Y3JlYXNlZCBhcHBsaWNhdGlvbiBwZXJmb3JtYW5jZSBmb3Igc29tZSB3aW5kb3dzIGd1ZXN0Lgo+ IAo+IFNvIEkgc3VnZ2VzdCB0byBjb25maWd1cmUgJyBtc3JfYmFzZWRfYXBpYz0xJyAvICdhcGlj diA9IDAnIHRvIGVuYWJsZSB2aXJpZGlhbiBmb3Igd2luZG93cwo+IGd1ZXN0Li4gdGhpcyBpcyBh IHdvcmthcm91bmQuLgo+IAo+IFF1YW4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhl bi5vcmcKaHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=