From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH 5/8] x86/time: correctly honor late clearing of TSC related feature flags Date: Wed, 03 Aug 2016 03:43:28 -0600 Message-ID: <57A1D8E002000078001021B7@prv-mh.provo.novell.com> References: <576140F302000078000F52FE@prv-mh.provo.novell.com> <57614A0402000078000F53A5@prv-mh.provo.novell.com> <576825C602000078000F6F96@prv-mh.provo.novell.com> <577AA28A02000078000FB030@prv-mh.provo.novell.com> <09f83420-bc67-5c77-29e5-d04c1dcd2625@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bUsi6-0005Ym-8I for xen-devel@lists.xenproject.org; Wed, 03 Aug 2016 09:43:34 +0000 In-Reply-To: <09f83420-bc67-5c77-29e5-d04c1dcd2625@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: Andrew Cooper Cc: xen-devel , Dario Faggioli , Joao Martins List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDAyLjA4LjE2IGF0IDIxOjA4LCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3Jv dGU6Cj4gT24gMDQvMDcvMTYgMTY6NTMsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+PiBPbiAwNC4w Ny4xNiBhdCAxNzozOSwgPGFuZHJldy5jb29wZXIzQGNpdHJpeC5jb20+IHdyb3RlOgo+Pj4gT24g MjAvMDYvMTYgMTY6MjAsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+Pj4+IE9uIDIwLjA2LjE2IGF0 IDE2OjMyLCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3JvdGU6Cj4+Pj4+IE9uIDE1LzA2 LzE2IDExOjI4LCBKYW4gQmV1bGljaCB3cm90ZToKPj4+Pj4+IC0tLSBhL3hlbi9hcmNoL3g4Ni90 aW1lLmMKPj4+Pj4+ICsrKyBiL3hlbi9hcmNoL3g4Ni90aW1lLmMKPj4+Pj4+IEBAIC0xMzU4LDYg KzEzNTgsMjQgQEAgc3RhdGljIHZvaWQgdGltZV9jYWxpYnJhdGlvbih2b2lkICp1bnVzZQo+Pj4+ Pj4gICAgICAgICAgICAgICAgICAgICAgICZyLCAxKTsKPj4+Pj4+ICB9Cj4+Pj4+PiAgCj4+Pj4+ PiArdm9pZCBfX2luaXQgY2xlYXJfdHNjX2NhcCh1bnNpZ25lZCBpbnQgZmVhdHVyZSkKPj4+Pj4+ ICt7Cj4+Pj4+PiArICAgIHZvaWQgKCpyZW5kZXp2b3VzX2ZuKSh2b2lkICopID0gdGltZV9jYWxp YnJhdGlvbl9zdGRfcmVuZGV6dm91czsKPj4+Pj4gVGhpcyBzaG91bGQgcmVhZCB0aW1lX2NhbGli cmF0aW9uX3JlbmRlenZvdXNfZm4gcmF0aGVyIHRoYW4gYXNzdW1pbmcKPj4+Pj4gdGltZV9jYWxp YnJhdGlvbl9zdGRfcmVuZGV6dm91cy4KPj4+Pj4KPj4+Pj4gT3RoZXJ3aXNlLCB0aGVyZSBpcyBh IHJpc2sgdGhhdCBpdCBjb3VsZCBiZSByZXNldCBiYWNrIHRvCj4+Pj4+IHRpbWVfY2FsaWJyYXRp b25fc3RkX3JlbmRlenZvdXMuCj4+Pj4gQnV0IHRoYXQncyB0aGUgcHVycG9zZTogV2UgbWF5IG5l ZWQgdG8gc3dpdGNoIGJhY2suCj4+PiBVbmRlciB3aGF0IGNpcmN1bXN0YW5jZXMgY291bGQgd2Ug ZXZlciBtb3ZlIGZyb20gcmUtc3luY2luZyBiYWNrIHRvIG5vdAo+Pj4gcmUtc3luY2luZz8KPj4g dmVyaWZ5X3RzY19yZWxpYWJpbGl0eSgpIG1heSByZXN1bHQgaW4gWDg2X0ZFQVRVUkVfVFNDX1JF TElBQkxFCj4+IGdldHRpbmcgY2xlYXJlZC4gVGhhdCdzIGFuIGluaXRjYWxsLCB3aGljaCBtZWFu cyBpdCBydW5zIGFmdGVyCj4+IGluaXRfeGVuX3RpbWUoKSwgYW5kIGhlbmNlIGFmdGVyIHRoZSBy ZW5kZXp2b3VzIGZ1bmN0aW9uIGdvdAo+PiBlc3RhYmxpc2hlZCBpbml0aWFsbHkuCj4gCj4gUmln aHQsIGJ1dCB0aGF0IGlzbid0IGltcG9ydGFudC4KPiAKPiBUaGVyZSB3aWxsIG5ldmVyIGJlIGEg Y2FzZSB3aGVyZSwgb25jZSBUU0NfUkVMSUFCTEUgaXMgY2xlYXJlZCwgaXQgaXMKPiBzYWZlIHRv IHJldmVydCBiYWNrIHRvIHN0ZF9yZW5kZXp2b3VzLCBldmVuIGlmIFRTQ19SRUxJQUJMRSBpcwo+ IHN1YnNlcXVlbnRseSByZS1zZXQuCgpZb3UndmUgZ290IHRoaXMgYmFja3dhcmRzOiBUU0NfUkVM SUFCTEUgbWF5IGdldCBfY2xlYXJlZF8gbGF0ZS4KTm90aGluZyBjYW4gZXZlciBzZXQgaXQgbGF0 ZSwgZHVlIHRvIHRoZSB1c2Ugb2Ygc2V0dXBfY2xlYXJfY3B1X2NhcCgpLgpSZXZlcnRpbmcgYmFj ayB0byB0aW1lX2NhbGlicmF0aW9uX3N0ZF9yZW5kZXp2b3VzKCkgd291bGQgb25seSBiZQpwb3Nz aWJsZSBpZiBDT05TVEFOVF9UU0MgZ290IGNsZWFyZWQgbGF0ZSwgLi4uCgo+IFRoZXJlZm9yZSwg dGhpcyBmdW5jdGlvbiBtdXN0IG5ldmVyIGFjY2lkZW50YWxseSByZXZlcnQKPiB0aW1lX2NhbGli cmF0aW9uX3JlbmRlenZvdXNfZm4gZnJvbSB0aW1lX2NhbGlicmF0aW9uX3RzY19yZW5kZXp2b3Vz IGJhY2sKPiB0byB0aW1lX2NhbGlicmF0aW9uX3N0ZF9yZW5kZXp2b3VzLgoKLi4uIHlldCBJIGNh bid0IHNlZSB3aGF0IHdvdWxkIGJlIHdyb25nIHdpdGggdGhhdCBlc3BlY2lhbGx5IHdoZW4KdGhh dCBzdGlsbCBoYXBwZW5lZCBhdCBib290IHRpbWUuIE9yIGVsc2UgaG93IHdvdWxkIGl0IGJlIHNh ZmUgdG8Kc3dpdGNoIHRoZSBvdGhlciBkaXJlY3Rpb24/IChJZiBuZWl0aGVyIHN3aXRjaCB3YXMg c2FmZSwgdGhlbiBhbGwgd2UKY291bGQgZG8gdXBvbiBmaW5kaW5nIHRoZSBUU0MgdW5yZWxpYWJs ZSBpbiB2ZXJpZnlfdHNjX3JlbGlhYmlsaXR5KCkKd291bGQgYmUgdG8gcGFuaWMoKS4pCgpKYW4K CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2 ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVu Lm9yZy94ZW4tZGV2ZWwK