From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: Re: Question about the general performance counter overflow interrupt handling Date: Fri, 31 Mar 2017 13:49:30 -0400 Message-ID: <9ddffbfd-4192-2f8f-72a9-336275a3809f@oracle.com> References: <0eee0893-c3fc-c009-1e80-29a7dc939e01@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cu0gC-0003au-7c for xen-devel@lists.xenproject.org; Fri, 31 Mar 2017 17:49:44 +0000 In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Meng Xu Cc: "xen-devel@lists.xenproject.org" , xuquan8@huawei.com, Jan Beulich List-Id: xen-devel@lists.xenproject.org T24gMDMvMzEvMjAxNyAwMTozMiBQTSwgTWVuZyBYdSB3cm90ZToKPiBIaSBCb3JpcywKPgo+IE9u IEZyaSwgTWFyIDMxLCAyMDE3IGF0IDEyOjAxIFBNLCBCb3JpcyBPc3Ryb3Zza3kKPiA8Ym9yaXMu b3N0cm92c2t5QG9yYWNsZS5jb20+IHdyb3RlOgo+Pj4+IFdoZW4gSSBwcm9ncmFtIHRoZSBnZW5l cmFsIHBlcmZvcm1hbmNlIGNvdW50ZXIgdG8gdHJpZ2dlciBhbiBvdmVyZmxvdwo+Pj4+IGludGVy cnVwdCwgSSBzZXQgdGhlIGZvbGxvd2luZyBiaXRzIGZvciB0aGUgZXZlbnQgc2VsZWN0b3IgcmVn aXN0ZXIKPj4+PiBhbmQgcnVuIGEgdGFzayB0byBnZW5lcmF0ZSB0aGUgTDMgY2FjaGUgY2FjaGUg bWlzcy4KPj4+PiBGTEFHX0VOQUJMRTogMHg0MDAwMDBVTAo+Pj4+IEZMQUdfSU5UOiAgICAweDEw MDAwMFVMCj4+Pj4gRkxBR19VU1I6IDB4MDEwMDAwVUwKPj4+PiBMM19BTExNSVNTX0VWRU5UICAg IDB4MkUKPj4+PiBMM19BTExNSVNTX01FU0kgICAgIDB4NDEKPj4+Pgo+Pj4+IEknbSBzdXJlIHRo ZSBwZXJmb3JtYW5jZSBjb3VudGVyIGRvZXMgb3ZlcmZsb3csIGJ1dCBJIGRpZG4ndCBzZWUgYW55 Cj4+Pj4gaW50ZXJydXB0IHdhcyB0cmlnZ2VyZWQuIE1heWJlIEkgbWlzc2VkIHNvbWV0aGluZz8K Pj4gRGlkIHlvdSBwcm9ncmFtIGdsb2JhbCByZWdpc3RyZXJzIChNU1JfQ09SRV9QRVJGX0dMT0JB TF9DVFJMLAo+PiBNU1JfQ09SRV9QRVJGX0dMT0JBTF9PVkZfQ1RSTCk/Cj4gSSB0cmllZCB0d28g c2NlbmFyaW9zOgo+IFNjZW5hcmlvMSkKPiAgICAgTVNSX0NPUkVfUEVSRl9HTE9CQUxfQ1RSTCAo MHgzOEYpID0gMHgwCj4gICAgIE1TUl9DT1JFX1BFUkZfR0xPQkFMX09WRl9DVFJMICgweDM5MCkg PSAweDAKPiAgICAgVGhlIGZ1bmN0aW9uIHBtdV9hcGljX2ludGVycnVwdCgpIGlzIG5vdCBjYWxs ZWQuCj4gU2NlbmFyaW8gMikKPiAgICBNU1JfQ09SRV9QRVJGX0dMT0JBTF9DVFJMICgweDM4Rikg PSAweGZmCj4gICAgIE1TUl9DT1JFX1BFUkZfR0xPQkFMX09WRl9DVFJMICgweDM5MCkgPSAweDAK PiAgICAgVGhlIGZ1bmN0aW9uIHBtdV9hcGljX2ludGVycnVwdCgpIGlzIG5vdCBjYWxsZWQgZWl0 aGVyLgo+Cj4gSW4gYm90aCBzY2VuYXJpb3MsIHRoZSBJQTMyX1BFUkZfR0xPQkFMX1NUQVRVUyAo MHgzOEUpIGlzIDB4Zi4KPgo+IEkgdHJpZWQgdG8gc2V0IE1TUl9DT1JFX1BFUkZfR0xPQkFMX09W Rl9DVFJMIHRvIDB4ZiwgYnV0IHRoZQo+IHJlZ2lzdGVyJ3MgY29udGVudCBpcyBub3QgY2hhbmdl ZC4gOigKCkl0J3MgYSB3cml0ZS1vbmx5IHJlZ2lzdGVyLiBZb3UgcmVhZCBNU1JfQ09SRV9QRVJG X0dMT0JBTF9TVEFUVVMuIFlvdQptYXkgbmVlZCB0byBzZXQgdXBwZXIgYml0cyBhcyB3ZWxsIChJ IGRvbid0IHJlbWVtYmVyIGZvciBzdXJlKS4KCllvdSBjYW4gdHJ5IHJ1bm5pbmcsIGZvciBleGFt cGxlLCBwZXJmIGluIExpbnV4IHdoaWxlIGV4ZWN1dGluZwp4ZW50cmFjZSwgcmVjb3JkaW5nIE1T UiBhY2Nlc3Nlcy4gT3IganVzdCBpbnN0cnVtZW50CmNvcmUyX3ZwbXVfZG9fcmRtc3IvY29yZTJf dnBtdV9kb193cm1zciBhbmQgc2VlIHdoYXQncyBjb21pbmcgaW4vb3V0LgoKLWJvcmlzCgoKPgo+ IE1heWJlIEkgc2hvdWxkIHNldCB0aGUgTVNSX0NPUkVfUEVSRl9HTE9CQUxfT1ZGX0NUUkwgdG8g MHhGIHRvIGVuYWJsZQo+IHRoZSBvdmVyZmxvdyBpbnRlcnJ1cHQ/Cj4KPiBUaGFuayB5b3UgdmVy eSBtdWNoIGZvciB5b3VyIHRpbWUgYW5kIGhlbHAhCj4KPiBNZW5nCj4KPiAtLS0tLS0tLS0tLQo+ IE1lbmcgWHUKPiBQaEQgQ2FuZGlkYXRlIGluIENvbXB1dGVyIGFuZCBJbmZvcm1hdGlvbiBTY2ll bmNlCj4gVW5pdmVyc2l0eSBvZiBQZW5uc3lsdmFuaWEKPiBodHRwOi8vd3d3LmNpcy51cGVubi5l ZHUvfm1lbmd4dS8KCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBz Oi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK