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d="scan'208";a="11529231" Date: Wed, 15 Jan 2020 12:53:38 +0100 From: Roger Pau =?iso-8859-1?Q?Monn=E9?= To: Jan Beulich Message-ID: <20200115115338.GL11756@Air-de-Roger> References: <1579030581-7929-1-git-send-email-igor.druzhinin@citrix.com> <20200115094703.GH11756@Air-de-Roger> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: AMSPEX02CAS02.citrite.net (10.69.22.113) To AMSPEX02CL01.citrite.net (10.69.22.125) Subject: Re: [Xen-devel] [PATCH] x86/time: update TSC stamp on restore from deep C-state X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Igor Druzhinin , andrew.cooper3@citrix.com, wl@xen.org, xen-devel@lists.xenproject.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gV2VkLCBKYW4gMTUsIDIwMjAgYXQgMTI6NDA6MjdQTSArMDEwMCwgSmFuIEJldWxpY2ggd3Jv dGU6Cj4gT24gMTUuMDEuMjAyMCAxMDo0NywgUm9nZXIgUGF1IE1vbm7DqSB3cm90ZToKPiA+IE9u IFR1ZSwgSmFuIDE0LCAyMDIwIGF0IDA3OjM2OjIxUE0gKzAwMDAsIElnb3IgRHJ1emhpbmluIHdy b3RlOgo+ID4+IC0tLSBhL3hlbi9hcmNoL3g4Ni90aW1lLmMKPiA+PiArKysgYi94ZW4vYXJjaC94 ODYvdGltZS5jCj4gPj4gQEAgLTk1NSwxMCArOTU1LDE2IEBAIHU2NCBzdGltZTJ0c2Moc190aW1l X3Qgc3RpbWUpCj4gPj4gIAo+ID4+ICB2b2lkIGNzdGF0ZV9yZXN0b3JlX3RzYyh2b2lkKQo+ID4+ ICB7Cj4gPj4gKyAgICBzdHJ1Y3QgY3B1X3RpbWUgKnQgPSAmdGhpc19jcHUoY3B1X3RpbWUpOwo+ ID4+ICsKPiA+PiAgICAgIGlmICggYm9vdF9jcHVfaGFzKFg4Nl9GRUFUVVJFX05PTlNUT1BfVFND KSApCj4gPj4gICAgICAgICAgcmV0dXJuOwo+ID4+ICAKPiA+PiAtICAgIHdyaXRlX3RzYyhzdGlt ZTJ0c2MocmVhZF9wbGF0Zm9ybV9zdGltZShOVUxMKSkpOwo+ID4+ICsgICAgdC0+c3RhbXAubWFz dGVyX3N0aW1lID0gcmVhZF9wbGF0Zm9ybV9zdGltZShOVUxMKTsKPiA+PiArICAgIHQtPnN0YW1w LmxvY2FsX3RzYyA9IHN0aW1lMnRzYyh0LT5zdGFtcC5tYXN0ZXJfc3RpbWUpOwo+ID4+ICsgICAg dC0+c3RhbXAubG9jYWxfc3RpbWUgPSB0LT5zdGFtcC5tYXN0ZXJfc3RpbWU7Cj4gPj4gKwo+ID4+ ICsgICAgd3JpdGVfdHNjKHQtPnN0YW1wLmxvY2FsX3RzYyk7Cj4gPiAKPiA+IEluIG9yZGVyIHRv IGF2b2lkIHRoZSBUU0Mgd3JpdGUgKGFuZCB0aGUgbGlrZWx5IGFzc29jaWF0ZWQgdm1leGl0KSwK PiA+IGNvdWxkIHlvdSBpbnN0ZWFkIGRvOgo+ID4gCj4gPiB0LT5zdGFtcC5sb2NhbF9zdGltZSA9 IHQtPnN0YW1wLm1hc3Rlcl9zdGltZSA9IHJlYWRfcGxhdGZvcm1fc3RpbWUoTlVMTCk7Cj4gPiB0 LT5zdGFtcC5sb2NhbF90c2MgPSByZHRzY19vcmRlcmVkKCk7Cj4gPiAKPiA+IEkgdGhpbmsgaXQg c2hvdWxkIGFjaGlldmUgdGhlIHNhbWUgYXMgaXQgc3luY3MgdGhlIGxvY2FsIFRTQyBzdGFtcCBh bmQKPiA+IHRpbWVzLCB3b3VsZCBhdm9pZCB0aGUgVFNDIHdyaXRlIGFuZCBzbGlnaHRseSBzaW1w bGlmaWVzIHRoZSBsb2dpYy4KPiAKPiBXb3VsZG4ndCB0aGlzIHJlc3VsdCBpbiBndWVzdHMgcG9z c2libHkgb2JzZXJ2aW5nIHRoZSBUU0MgbW92aW5nCj4gYmFja3dhcmRzPwoKSXNuJ3QgbG9jYWxf dHNjIHN0b3JpbmcgYSBUU0MgdmFsdWUgcmVhZCBmcm9tIHRoZSBzYW1lIENQVSBhbHdheXMsIGFu ZApoZW5jZSBjb3VsZCBvbmx5IGdvIGJhY2t3YXJkcyBpZiByZHRzYyBhY3R1YWxseSBnb2VzIGJh Y2t3YXJkcz8KCkllOiBjcHVfZnJlcXVlbmN5X2NoYW5nZSBzZWVtcyB0byBkbyBzb21ldGhpbmcg c2ltaWxhciwgdG9nZXRoZXIgd2l0aAphIHJlLWFkanVzdGluZyBvZiB0aGUgdGltZSBzY2FsZSwg YnV0IGRvZXNuJ3QgcGVyZm9ybSBhbnkgVFNDIHdyaXRlLgoKVGhhbmtzLCBSb2dlci4KCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWls aW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVu cHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=