From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcelo Tosatti Subject: Re: [patch 1/3] KVM: x86: provide realtime host clock via vsyscall notifiers Date: Fri, 13 Jan 2017 13:46:43 -0200 Message-ID: <20170113154640.GC4796@amt.cnet> References: <20170113120131.086634482@redhat.com> <20170113120317.948215303@redhat.com> <20170113151804.GA25835@potion> <20170113154110.GB31175@char.us.oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: kvm@vger.kernel.org, Radim Krcmar , Richard Cochran , linux-kernel@vger.kernel.org, Miroslav Lichvar , Paolo Bonzini , xen-devel@lists.xenproject.org, Joao Martins To: Konrad Rzeszutek Wilk Return-path: Content-Disposition: inline In-Reply-To: <20170113154110.GB31175@char.us.oracle.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" List-Id: kvm.vger.kernel.org T24gRnJpLCBKYW4gMTMsIDIwMTcgYXQgMTA6NDE6MTBBTSAtMDUwMCwgS29ucmFkIFJ6ZXN6dXRl ayBXaWxrIHdyb3RlOgo+IE9uIEZyaSwgSmFuIDEzLCAyMDE3IGF0IDA0OjE4OjA0UE0gKzAxMDAs IFJhZGltIEtyY21hciB3cm90ZToKPiA+IDIwMTctMDEtMTMgMTA6MDEtMDIwMCwgTWFyY2VsbyBU b3NhdHRpOgo+ID4gPiBFeHBvc2UgdGhlIHJlYWx0aW1lIGhvc3QgY2xvY2sgYW5kIHNhdmUgdGhl IFRTQyB2YWx1ZQo+ID4gPiB1c2VkIGZvciB0aGUgY2xvY2sgY2FsY3VsYXRpb24uCj4gPiA+IAo+ ID4gPiBTaWduZWQtb2ZmLWJ5OiBNYXJjZWxvIFRvc2F0dGkgPG10b3NhdHRpQHJlZGhhdC5jb20+ Cj4gPiA+IAo+ID4gPiAtLS0KPiA+ID4gIGFyY2gveDg2L2t2bS94ODYuYyB8ICAgMzggKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysKPiA+ID4gIDEgZmlsZSBjaGFuZ2VkLCAz OCBpbnNlcnRpb25zKCspCj4gPiA+IAo+ID4gPiBJbmRleDoga3ZtLXB0cGRyaXZlci9hcmNoL3g4 Ni9rdm0veDg2LmMKPiA+ID4gPT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PQo+ID4gPiAtLS0ga3ZtLXB0cGRyaXZlci5vcmln L2FyY2gveDg2L2t2bS94ODYuYwkyMDE3LTAxLTEzIDA4OjU5OjAzLjAxNTg5NTM1MyAtMDIwMAo+ ID4gPiArKysga3ZtLXB0cGRyaXZlci9hcmNoL3g4Ni9rdm0veDg2LmMJMjAxNy0wMS0xMyAwOTow NDo0Ni41ODE0MTUyNTkgLTAyMDAKPiA+ID4gQEAgLTExMzksNiArMTEzOSw4IEBACj4gPiA+ICAK PiA+ID4gIAl1NjQJCWJvb3RfbnM7Cj4gPiA+ICAJdTY0CQluc2VjX2Jhc2U7Cj4gPiA+ICsJdTY0 CQl3YWxsX3RpbWVfc2VjOwo+ID4gPiArCXU2NAkJd2FsbF90aW1lX3Nuc2VjOwo+ID4gCj4gPiBU aGUgbGVhZGluZyAicyIgaW4gInNuc2VjIiBsb29rcyBsaWtlIGEgY29weS1wYXN0ZSByZXNpZHVl Lgo+ID4gCj4gPiA+ICB9Owo+ID4gPiAgCj4gPiA+ICBzdGF0aWMgc3RydWN0IHB2Y2xvY2tfZ3Rv ZF9kYXRhIHB2Y2xvY2tfZ3RvZF9kYXRhOwo+ID4gPiBAQCAtMTE2Miw2ICsxMTY0LDkgQEAKPiA+ ID4gIAl2ZGF0YS0+Ym9vdF9ucwkJCT0gYm9vdF9uczsKPiA+ID4gIAl2ZGF0YS0+bnNlY19iYXNl CQk9IHRrLT50a3JfbW9uby54dGltZV9uc2VjOwo+ID4gPiAgCj4gPiA+ICsJdmRhdGEtPndhbGxf dGltZV9zZWMgICAgICAgICAgICA9IHRrLT54dGltZV9zZWM7Cj4gPiA+ICsJdmRhdGEtPndhbGxf dGltZV9zbnNlYyAgICAgICAgICA9IHRrLT50a3JfbW9uby54dGltZV9uc2VjOwo+ID4gCj4gPiBV c2luZyB0ay0+dGtyX21vbm8gb2Zmc2V0cyBmb3IgcmVhbCB0aW1lIHNlZW1zIHdyb25nIC0tIHdo YXQgaGFwcGVucyBpZgo+ID4gdGhlIHJlYWwgdGltZSBpcyBoYWxmIGEgc2Vjb25kIHNoaWZ0ZWQg ZnJvbSBtb25vdG9uaWMgdGltZT8KPiA+IAo+ID4gSWYgaXQncyBvaywgdGhlbiB2ZGF0YS0+bnNl Y19iYXNlID09IHZkYXRhLT53YWxsX3RpbWVfc25zZWMsIHNvIHdlIGRvbid0Cj4gPiBuZWVkIGl0 Lgo+ID4gCj4gPiA+ICsKPiA+ID4gIAl3cml0ZV9zZXFjb3VudF9lbmQoJnZkYXRhLT5zZXEpOwo+ ID4gPiAgfQo+ID4gPiAgI2VuZGlmCj4gPiA+IEBAIC0xNjIzLDYgKzE2MjgsMjggQEAKPiA+ID4g IAlyZXR1cm4gbW9kZTsKPiA+ID4gIH0KPiA+ID4gIAo+ID4gPiArc3RhdGljIGludCBkb19yZWFs dGltZShzdHJ1Y3QgdGltZXNwZWMgKnRzLCBjeWNsZV90ICpjeWNsZV9ub3cpCj4gPiAKPiA+IFRo aXMgaXMgdG9vIHNpbWlsYXIgdG8gZG9fbW9ub3RvbmljX2Jvb3QoKSwgYnV0IEkgZG9uJ3Qgc2Vl IGEgc29sdXRpb24KPiA+IHRoYXQgaXMgYm90aCBuaWNlIGFuZCBlZmZpY2llbnQuIDooCj4gPiAK PiA+IChJdCB1c3VhbGx5IG1lYW5zIG1hY3JvcyBvciBjb3B5aW5nIHB2Y2xvY2tfZ3RvZF9kYXRh LikKPiAKPiAKPiBQViBDbG9jayBpcyBoeXBlcnZpc29yIGFnbm9zdGljIHNvIGJvdGggS1ZNIGFu ZCBYZW4gY2FuIHVzZSBpdC4gSXMgdGhpcyBjbG9jawo+IGludGVyZmFjZSBzdXBwb3NlIHRvIGZv bGxvdyB0aGF0PwoKSWYgWGVuIGltcGxlbWVudHMgdGhlIEtWTV9IQ19DTE9DS19PRkZTRVQgaHlw ZXJjYWxsLCBYZW4gZ3Vlc3RzIGNhbiB1c2UgdGhlIAprdm0gcHRwIGRyaXZlciwgeWVzLgoKCgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwg bWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9y Zy94ZW4tZGV2ZWwK