From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH 4/8] x86/time: calibrate TSC against platform timer Date: Mon, 20 Jun 2016 09:19:06 -0600 Message-ID: <5768258A02000078000F6F93@prv-mh.provo.novell.com> References: <576140F302000078000F52FE@prv-mh.provo.novell.com> <576149E202000078000F53A1@prv-mh.provo.novell.com> <6412dddf-5702-c84f-e922-13f6d1081536@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta6.messagelabs.com ([85.158.143.247]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bF0yq-0005it-CZ for xen-devel@lists.xenproject.org; Mon, 20 Jun 2016 15:19:16 +0000 In-Reply-To: <6412dddf-5702-c84f-e922-13f6d1081536@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+IE9uIDIwLjA2LjE2IGF0IDE2OjIwLCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3Jv dGU6Cj4gT24gMTUvMDYvMTYgMTE6MjgsIEphbiBCZXVsaWNoIHdyb3RlOgo+PiAtLS0gYS94ZW4v YXJjaC94ODYvaTgyNTkuYwo+PiArKysgYi94ZW4vYXJjaC94ODYvaTgyNTkuYwo+PiBAQCAtMzU5 LDEyICszNTksNyBAQCB2b2lkIF9faW5pdCBpbml0X0lSUSh2b2lkKQo+PiAgCj4+ICAgICAgYXBp Y19pbnRyX2luaXQoKTsKPj4gIAo+PiAtICAgIC8qIFNldCB0aGUgY2xvY2sgdG8gSFogSHogKi8K Pj4gLSNkZWZpbmUgQ0xPQ0tfVElDS19SQVRFIDExOTMxODIgLyogY3J5c3RhbCBmcmVxIChIeikg Ki8KPj4gLSNkZWZpbmUgTEFUQ0ggKCgoQ0xPQ0tfVElDS19SQVRFKSsoSFovMikpL0haKQo+PiAt ICAgIG91dGJfcCgweDM0LCBQSVRfTU9ERSk7ICAgICAgICAvKiBiaW5hcnksIG1vZGUgMiwgTFNC L01TQiwgY2ggMCAqLwo+PiAtICAgIG91dGJfcChMQVRDSCAmIDB4ZmYsIFBJVF9DSDApOyAvKiBM U0IgKi8KPj4gLSAgICBvdXRiKExBVENIID4+IDgsIFBJVF9DSDApOyAgICAgLyogTVNCICovCj4+ ICsgICAgcHJlaW5pdF9waXQoKTsKPiAKPiBUaGlzIGhpZ2hsaWdodHMgdGhlIGZhY3QgdGhhdCB3 ZSBoYXZlIHR3byB1bmNvbmRpdGlvbmFsIGNhbGxzIHRvCj4gcHJlaW5pdF9waXQoKSBkdXJpbmcg c3RhcnR1cCwgd2hpY2ggaXMgb25lIHRvbyBtYW55Lgo+IAo+IGluaXRfSVJRKCkgaXMgY2FsbGVk IHJhdGhlciBlYXJsaWVyIHRoYW4gZWFybHlfdGltZV9pbml0KCksIGJ1dCBJIGNhbid0Cj4gc3Bv dCBhbnl0aGluZyBpbmJldHdlZW4gdGhlIHR3byBjYWxscyB3aGljaCB3b3VsZCByZXF1aXJlIHRo ZSBQSVQgdG8gYmUKPiBzZXQgdXAuICBBRkFJQ1QsIGl0IGlzIHNhZmUgdG8ganVzdCBkcm9wIHRo ZSBwcmVpbml0X3BpdCgpIGNhbGwgaGVyZS4KCkxBUElDIGluaXRpYWxpemF0aW9uIG1ha2VzIHVz ZSBvZiB0aGUgUElULCBhbmQgSSB0aGluayB0aGF0IHdvdWxkCmJyZWFrIHdoZW4gcmVtb3Zpbmcg aXQgaGVyZS4gQW5kIHNpbmNlIGRvaW5nIGl0IHR3aWNlIGlzIGJlbmlnbiwKSSdkIGFsc28gbGlr ZSB0byBub3QgZHJvcCBpdCBmcm9tIGVhcmx5X3RpbWVfaW5pdCgpLgoKPj4gQEAgLTM0MCw3ICsz NDgsOCBAQCBzdGF0aWMgc3RydWN0IHBsYXRmb3JtX3RpbWVzb3VyY2UgX19pbml0Cj4+ICAgICAg LmZyZXF1ZW5jeSA9IENMT0NLX1RJQ0tfUkFURSwKPj4gICAgICAucmVhZF9jb3VudGVyID0gcmVh ZF9waXRfY291bnQsCj4+ICAgICAgLmNvdW50ZXJfYml0cyA9IDMyLAo+PiAtICAgIC5pbml0ID0g aW5pdF9waXQKPj4gKyAgICAuaW5pdCA9IGluaXRfcGl0LAo+PiArICAgIC5yZXN1bWUgPSByZXN1 bWVfcGl0Cj4gCj4gUGxlYXNlIGFkZCBhIHJlZHVuZGFudCBjb21tYSBhdCB0aGUgZW5kLCB0byBy ZWR1Y2UgdGhlIG5leHQgZGlmZiB0bwo+IGNoYW5nZSB0aGlzIGJsb2NrLgoKV2VsbCwgSSdkIGxp a2UgdGhlIHRocmVlIGluc3RhbmNlIHRvIHJlbWFpbiBjb25zaXN0ZW50IGluIHRoaXMgcmVnYXJk Cih5ZXQgdG91Y2hpbmcgdGhlIG90aGVycyBkb2Vzbid0IHNlZW0gd2FycmFudGVkKS4gQW5kIGEg Y2hhbmdlCmhlcmUgaXNuJ3QgYWxsIHRoYXQgbGlrZWx5LgoKSmFuCgoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApY ZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK