From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH 1/2] VMX: fix VMCS race on context-switch paths Date: Thu, 16 Feb 2017 02:26:12 -0700 Message-ID: <58A57E44020000780013A900@prv-mh.provo.novell.com> References: <58A2E8B70200007800139946@prv-mh.provo.novell.com> <58A2E9F9020000780013995D@prv-mh.provo.novell.com> <1487154433.3588.1.camel@citrix.com> <58A463BA020000780013A37D@prv-mh.provo.novell.com> <1487170512.3588.9.camel@citrix.com> <58A47EB5020000780013A442@prv-mh.provo.novell.com> <1487233771.3032.1.camel@citrix.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 1ceIKP-00078y-Lo for xen-devel@lists.xenproject.org; Thu, 16 Feb 2017 09:26:17 +0000 In-Reply-To: <1487233771.3032.1.camel@citrix.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Sergey Dyasli Cc: Kevin Tian , "Kevin.Mayer@gdata.de" , Andrew Cooper , Anshul Makkar , "jun.nakajima@intel.com" , "xen-devel@lists.xenproject.org" List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDE2LjAyLjE3IGF0IDA5OjI5LCA8c2VyZ2V5LmR5YXNsaUBjaXRyaXguY29tPiB3cm90 ZToKPiBPbiBXZWQsIDIwMTctMDItMTUgYXQgMDg6MTUgLTA3MDAsIEphbiBCZXVsaWNoIHdyb3Rl Ogo+PiA+ID4gPiBPbiAxNS4wMi4xNyBhdCAxNTo1NSwgPHNlcmdleS5keWFzbGlAY2l0cml4LmNv bT4gd3JvdGU6Cj4+ID4gSXMgaXQgd29ydGggZ2l2aW5nIHlvdXIgcGF0Y2ggYW5vdGhlciB0cnkg d2l0aCByZW1vdmluZyBjdHh0X3N3aXRjaF9zYW1lKCkKPj4gPiBzaW5jZSB3ZSBmaWd1cmVkIG91 dCB0aGF0IHZteF9kb19yZXN1bWUoKSB3aWxsIHJlbG9hZCB2bWNzIGVpdGhlciB3YXk/Cj4+IAo+ PiBZZXMsIGJ1dCB0aGF0J3MgdGhlIGNvc21ldGljIHBhcnQsIHdoZXJlcmFzIC4uLgo+PiAKPj4g PiBBbmQgSSB3aWxsIGFsc28gdXBkYXRlIHZteF92bWNzX3JlbG9hZCgpIGZyb20geW91ciBsYXN0 IGVtYWlsLgo+PiAKPj4gLi4uIHRoaXMgbG9va3MgdG8gYmUgdGhlIGFjdHVhbCBidWcgZml4LiBJ ZiB5b3UgYWdyZWUgd2l0aCBteQo+PiByZWFzb25pbmcgb2YgcmVtb3ZpbmcgdGhlIGxvb3AgYWx0 b2dldGhlciwgeW91IG1heSB3YW50IHRvIGdvCj4+IHdpdGggdGhhdCB2ZXJzaW9uIGluc3RlYWQg b2YgYWRkaW5nIHRoZSBjb25kaXRpb25hbC4KPiAKPiBBZnRlciBleHRlbnNpdmUgbmlnaHQgdGVz dGluZywgaXQgY2FuIGJlIHNhZmUgdG8gYXNzdW1lIHRoYXQgYmVsb3cKPiBwYXRjaCBmaXhlcyB0 aGUgUE1MIGlzc3VlLiBJIGFncmVlIGFib3V0IHJlbW92aW5nIHRoZSBzcGlubmluZyBzaW5jZQo+ IHZteF92bWNzX2VudGVyL2V4aXQgYXJlIHN5bmNocm9uaXplZCB3aXRoIHRoZSBzY2hlZHVsZXIg Ynkgc2NoZWR1bGVfbG9jay4KPiBCdXQgaXQgY29zdHMgbm90aGluZyB0byBjaGVjayBzbyBJIGFk ZGVkIGEgZGVidWcgbWVzc2FnZSB0byB0aGUgbG9vcC4KPiBOZWVkbGVzcyB0byBzYXksIGl0IHdh cyBuZXZlciBwcmludGVkLgoKVGhhbmtzLCB0aGF0J3MgZ29vZCB0byBrbm93LiBJJ2xsIHJlbW92 ZSB0aGUgbG9vcCBpbiB2Mi4KCj4gTXkgcGF0Y2ggZm9yIHZteF92bWNzX2V4aXQoKSBpcyBvYnZp b3VzbHkgYSBoYWxmIG1lYXN1cmUgYmVjYXVzZSBpdAo+IGRvZXNuJ3QgcHJvdGVjdCBhZ2FpbnN0 IFZNQ1MgY2xlYXJpbmcgYnkgYW4gZXh0ZXJuYWwgSVBJIHdoZW4gY3VycmVudAo+IGlzIGlkbGUu IEknbSBub3Qgc3VyZSBzdWNoIHNpdHVhdGlvbiBpcyBwb3NzaWJsZSBidXQgdGhlcmUgaXMgbm90 aGluZwo+IHRoYXQgcHJldmVudHMgaXQuCj4gCj4gVGhpcyBjbGVhcmx5IG1ha2VzIHlvdXIgYXBw cm9hY2ggc3VwZXJpb3IgYW5kIEkgdGhpbmsgeW91IG5lZWQgdG8KPiBzdWJtaXQgdjIgZm9yIHBy b3BlciByZXZpZXcuCgpXaWxsIGRvLgoKSmFuCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlz dHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==