From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joao Martins Subject: Re: [PATCH v2 4/6] x86/time: streamline platform time init on plt_init() Date: Tue, 5 Apr 2016 16:12:52 +0100 Message-ID: <5703D5F4.6040901@oracle.com> References: <1459259051-4943-1-git-send-email-joao.m.martins@oracle.com> <1459259051-4943-5-git-send-email-joao.m.martins@oracle.com> <5703C1C202000078000E325F@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: <5703C1C202000078000E325F@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich Cc: Andrew Cooper , Keir Fraser , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org CgpPbiAwNC8wNS8yMDE2IDEyOjQ2IFBNLCBKYW4gQmV1bGljaCB3cm90ZToKPj4+PiBPbiAyOS4w My4xNiBhdCAxNTo0NCwgPGpvYW8ubS5tYXJ0aW5zQG9yYWNsZS5jb20+IHdyb3RlOgo+PiAtLS0g YS94ZW4vYXJjaC94ODYvdGltZS5jCj4+ICsrKyBiL3hlbi9hcmNoL3g4Ni90aW1lLmMKPj4gQEAg LTQzNCw2ICs0MzQsNyBAQCB1aW50NjRfdCBuc190b19hY3BpX3BtX3RpY2sodWludDY0X3QgbnMp Cj4+ICAvKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioq KioqKioqKioqCj4+ICAgKiBQTEFURk9STSBUSU1FUiA0OiBUU0MKPj4gICAqLwo+PiArc3RhdGlj IGJvb2xfdCBjbG9ja3NvdXJjZV9pc190c2M7Cj4gCj4gX19yZWFkX21vc3RseSwgYnV0IHNlZSBi ZWxvdy4KPiAKPj4gQEAgLTUxNiwxNyArNTE5LDMxIEBAIHN0YXRpYyBzX3RpbWVfdCBfX3JlYWRf cGxhdGZvcm1fc3RpbWUodTY0IHBsYXRmb3JtX3RpbWUpCj4+ICAgICAgcmV0dXJuIChzdGltZV9w bGF0Zm9ybV9zdGFtcCArIHNjYWxlX2RlbHRhKGRpZmYsICZwbHRfc2NhbGUpKTsKPj4gIH0KPj4g IAo+PiArc3RhdGljIHZvaWQgX19wbHRfaW5pdCh2b2lkKQo+PiArewo+PiArICAgIHU2NCBjb3Vu dDsKPj4gKwo+PiArICAgIEFTU0VSVChzcGluX2lzX2xvY2tlZCgmcGxhdGZvcm1fdGltZXJfbG9j aykpOwo+PiArICAgIGNvdW50ID0gcGx0X3NyYy5yZWFkX2NvdW50ZXIoKTsKPj4gKyAgICBwbHRf c3RhbXA2NCArPSAoY291bnQgLSBwbHRfc3RhbXApICYgcGx0X21hc2s7Cj4+ICsgICAgcGx0X3N0 YW1wID0gY291bnQ7Cj4+ICt9Cj4gCj4gTm90ZSB0aGF0IHRoaXMgaGFzIG5vdGhpbmcgdG8gZG8g d2l0aCAiaW5pdCIgLSBpdCB1cGRhdGVzIHRoZSB0d28gdGltZQo+IHN0YW1wcywgYXMgaXMgYmVp bmcgbWFkZSBjbGVhciBieSAuLi4KPiAKPj4gIHN0YXRpYyB2b2lkIHBsdF9vdmVyZmxvdyh2b2lk ICp1bnVzZWQpCj4+ICB7Cj4+ICAgICAgaW50IGk7Cj4+IC0gICAgdTY0IGNvdW50Owo+PiAgICAg IHNfdGltZV90IG5vdywgcGx0X25vdywgcGx0X3dyYXA7Cj4+ICAKPj4gICAgICBzcGluX2xvY2tf aXJxKCZwbGF0Zm9ybV90aW1lcl9sb2NrKTsKPj4gIAo+PiAtICAgIGNvdW50ID0gcGx0X3NyYy5y ZWFkX2NvdW50ZXIoKTsKPj4gLSAgICBwbHRfc3RhbXA2NCArPSAoY291bnQgLSBwbHRfc3RhbXAp ICYgcGx0X21hc2s7Cj4+IC0gICAgcGx0X3N0YW1wID0gY291bnQ7Cj4+ICsgICAgX19wbHRfaW5p dCgpOwo+IAo+IC4uLiB0aGlzIHVzZS4KPiAKV291bGQgeW91IHByZWZlciBjaGFuZ2luZyB0aGUg bmFtZSB0byBlLmcgInNldF9wbHRfc3RhbXAiID8KCj4+IEBAIC02MjEsMTEgKzYzOCwyMiBAQCBz dGF0aWMgaW50IF9faW5pdCB0cnlfcGxhdGZvcm1fdGltZXIoc3RydWN0IHBsYXRmb3JtX3RpbWVz b3VyY2UgKnB0cykKPj4gIAo+PiAgICAgIHNldF90aW1lX3NjYWxlKCZwbHRfc2NhbGUsIHB0cy0+ ZnJlcXVlbmN5KTsKPj4gIAo+PiAtICAgIHBsdF9vdmVyZmxvd19wZXJpb2QgPSBzY2FsZV9kZWx0 YSgKPj4gLSAgICAgICAgMXVsbCA8PCAocHRzLT5jb3VudGVyX2JpdHMgLSAxKSwgJnBsdF9zY2Fs ZSk7Cj4+IC0gICAgaW5pdF90aW1lcigmcGx0X292ZXJmbG93X3RpbWVyLCBwbHRfb3ZlcmZsb3cs IE5VTEwsIDApOwo+PiAgICAgIHBsdF9zcmMgPSAqcHRzOwo+PiAtICAgIHBsdF9vdmVyZmxvdyhO VUxMKTsKPj4gKwo+PiArICAgIGlmICggY2xvY2tzb3VyY2VfaXNfdHNjICkKPiAKPiBXaHkgbm90 IHNpbXBseSAiaWYgKCBwdHMgPT0gcGx0X3RzYyApIiwgZWxpbWluYXRpbmcgdGhlIG5lZWQgZm9y IHRoZQo+IHZhcmlhYmxlPwpZZWFoLCBnb29kIHBvaW50LiBJIHdpbGwgZml4IHRoYXQuCgo+IAo+ PiArICAgIHsKPj4gKyAgICAgICAgcGx0X2luaXQoKTsKPj4gKyAgICB9Cj4+ICsgICAgZWxzZQo+ PiArICAgIHsKPj4gKyAgICAgICAgcGx0X292ZXJmbG93X3BlcmlvZCA9IHNjYWxlX2RlbHRhKAo+ PiArICAgICAgICAgICAgMXVsbCA8PCAocHRzLT5jb3VudGVyX2JpdHMgLSAxKSwgJnBsdF9zY2Fs ZSk7Cj4+ICsgICAgICAgIGluaXRfdGltZXIoJnBsdF9vdmVyZmxvd190aW1lciwgcGx0X292ZXJm bG93LCBOVUxMLCAwKTsKPj4gKyAgICAgICAgcGx0X292ZXJmbG93KE5VTEwpOwo+PiArCj4+ICsg ICAgICAgIHByaW50aygiUGxhdGZvcm0gdGltZXIgb3ZlcmZsb3cgcGVyaW9kIGlzICVsdSBzZWNz XG4iLAo+PiArICAgICAgICAgICAgICAgcGx0X292ZXJmbG93X3BlcmlvZC9TRUNPTkRTKDEpKTsK PiAKPiBJZiB3ZSB3YW50IHRoaXMgbG9nZ2VkIGF0IGFsbCwgdGhlbiBwbGVhc2UgYXQgbW9zdCBh cyBYRU5MT0dfSU5GTy4KT0suCgo+IFBsdXMgLSBpcyBzZWNvbmRzIGdyYW51bGFyaXR5IGZpbmUg Z3JhaW5lZCBlbm91Z2ggZm9yIGFsbCBzb3VyY2VzLCBpLmUuCj4gd291bGRuJ3QgdGhlcmUgZm9y IHR5cGljYWwgSFBFVCBqdXN0IGJlIGEgc2luZ2xlIGRpZ2l0LCBub3QgYSBsb3Qgb2YKPiBwcmVj aXNpb24gdGhhdCBpcz8KQ291bGQgYmUsIG15IEhQRVQgd2FzIGFyb3VuZCAyIG1pbnV0ZXMgb3Zl cmZsb3cgcGVyaW9kLCBidXQgUElUIHdhcyBhIHNpbmdsZQpkaWdpdCBhcyB5b3UgbWVudGlvbi4g SSB3aWxsIGNoYW5nZSB0aGF0IHRvIE1JTExJU0VDUygxMDAwKSBmb3IgaGlnaGVyIHByZWNpc2lv bgotIG9yIEkgY2FuIHJlbW92ZSBpdCBlbnRpcmVseSBpZiB5b3UgcHJlZmVyIG5vdCBsb2dnaW5n IHRoaXMgaW5mby4KCj4gQW5kIGZpbmFsbHk6IEJsYW5rcyBhcm91bmQgLyBwbGVhc2UuCk9LLgoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVs IG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9y Zy94ZW4tZGV2ZWwK