From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kyle Huey Subject: Re: VPMU interrupt unreliability Date: Tue, 10 Oct 2017 09:54:22 -0700 Message-ID: References: <23dd26f5-d217-dc99-6e3c-02ff46bf2f7a@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Boris Ostrovsky Cc: "Tian, Kevin" , Andrew Cooper , Dietmar Hahn , xen-devel@lists.xen.org, Jun Nakajima , Robert O'Callahan List-Id: xen-devel@lists.xenproject.org T24gTW9uLCBKdWwgMjQsIDIwMTcgYXQgOTo1NCBBTSwgS3lsZSBIdWV5IDxtZUBreWxlaHVleS5j b20+IHdyb3RlOgo+IE9uIE1vbiwgSnVsIDI0LCAyMDE3IGF0IDg6MDcgQU0sIEJvcmlzIE9zdHJv dnNreQo+IDxib3Jpcy5vc3Ryb3Zza3lAb3JhY2xlLmNvbT4gd3JvdGU6Cj4+Cj4+Pj4gT25lIHRo aW5nIEkgbm90aWNlZCBpcyB0aGF0IHRoZSB3b3JrYXJvdW5kIGRvZXNuJ3QgYXBwZWFyIHRvIGJl Cj4+Pj4gY29tcGxldGU6IGl0IGlzIG9ubHkgY2hlY2tpbmcgUE1DMCBzdGF0dXMgYW5kIG5vdCBv dGhlciBjb3VudGVycyAoZml4ZWQKPj4+PiBvciBhcmNoaXRlY3R1cmFsKS4gT2YgY291cnNlLCB3 aXRob3V0IGtub3dpbmcgd2hhdCB0aGUgYWN0dWFsIHByb2JsZW0KPj4+PiB3YXMgaXQncyBoYXJk IHRvIHNheSB3aGV0aGVyIHRoaXMgd2FzIGludGVudGlvbmFsLgo+Pj4gaGFuZGxlX3BtY19xdWly ayBhcHBlYXJzIHRvIGxvb3AgdGhyb3VnaCBhbGwgdGhlIGNvdW50ZXJzIC4uLgo+Pgo+PiBSaWdo dCwgSSBkaWRuJ3Qgbm90aWNlIHRoYXQgaXQgaXMgc2hpZnRpbmcgTVNSX0NPUkVfUEVSRl9HTE9C QUxfU1RBVFVTCj4+IHZhbHVlIG9uZSBieSBvbmUgYW5kIHNvIGl0IGlzIGxvb2tpbmcgYXQgYWxs IGJpdHMuCj4+Cj4+Pgo+Pj4+PiAyLiBJbnRlcmNlcHRpbmcgTVNSIGxvYWRzIGZvciBjb3VudGVy cyB0aGF0IGhhdmUgdGhlIHdvcmthcm91bmQKPj4+Pj4gYXBwbGllZCBhbmQgZ2l2aW5nIHRoZSBn dWVzdCB0aGUgY29ycmVjdCBjb3VudGVyIHZhbHVlLgo+Pj4+Cj4+Pj4gV2UnZCBoYXZlIHRvIGtl ZXAgdHJhY2sgb2Ygd2hldGhlciB0aGUgY291bnRlciBoYXMgYmVlbiByZXNldCAoYnkgdGhlCj4+ Pj4gcXVpcmspIHNpbmNlIHRoZSBsYXN0IE1TUiB3cml0ZS4KPj4+IFllcy4KPj4+Cj4+Pj4+IDMu IE9yIHBlcmhhcHMgZXZlbiBjaGFuZ2luZyB0aGUgd29ya2Fyb3VuZCB0byBkaXNhYmxlIHRoZSBQ TUkgb24gdGhhdAo+Pj4+PiBjb3VudGVyIHVudGlsIHRoZSBndWVzdCBhY2tzIHZpYSBHTE9CQUxf T1ZGX0NUUkwsIGFzc3VtaW5nIHRoYXQgd29ya3MKPj4+Pj4gb24gdGhlIHJlbGV2YW50IGhhcmR3 YXJlLgo+Pj4+IE1TUl9DT1JFX1BFUkZfR0xPQkFMX09WRl9DVFJMIGlzIHdyaXR0ZW4gaW1tZWRp YXRlbHkgYWZ0ZXIgdGhlIHF1aXJrCj4+Pj4gcnVucyAoaW4gY29yZTJfdnBtdV9kb19pbnRlcnJ1 cHQoKSkgc28gd2UgYWxyZWFkeSBkbyB0aGlzLCBkb24ndCB3ZT8KPj4+IEknbSBzdWdnZXN0aW5n IHdhaXRpbmcgdW50aWwgdGhlICpndWVzdCogd3JpdGVzIHRvIHRoZSAodmlydHVhbGl6ZWQpCj4+ PiBHTE9CQUxfT1ZGX0NUUkwuCj4+Cj4+IFdvdWxkbid0IGl0IGJlIGJldHRlciB0byB3YWl0IHVu dGlsIHRoZSBjb3VudGVyIGlzIHJlbG9hZGVkPwo+Cj4gTWF5YmUhICBJIGhhdmVuJ3QgdGhvdWdo dCB0aHJvdWdoIGl0IGEgbG90LiAgSXQncyBzdGlsbCBub3QgY2xlYXIgdG8KPiBtZSB3aGV0aGVy IE1TUl9DT1JFX1BFUkZfR0xPQkFMX09WRl9DVFJMIGFjdHVhbGx5IGNvbnRyb2xzIHRoZQo+IGlu dGVycnVwdCBpbiBhbnkgd2F5IG9yIHdoZXRoZXIgaXQganVzdCByZXNldHMgdGhlIGJpdHMgaW4K PiBNU1JfQ09SRV9QRVJGX0dMT0JBTF9TVEFUVVMgYW5kIGFja2luZyB0aGUgaW50ZXJydXB0IG9u IHRoZSBBUElDIGlzCj4gYWxsIHRoYXQncyByZXF1aXJlZCB0byByZWVuYWJsZSBpdC4KPgo+IC0g S3lsZQoKSSB3b25kZXIgaWYgaXQgd291bGQgYmUgcmVhc29uYWJsZSB0byBqdXN0IHJlbW92ZSB0 aGUgd29ya2Fyb3VuZAplbnRpcmVseSBhdCBzb21lIHBvaW50LiAgVGhlIHNldCBvZiBwZW9wbGUg dXNpbmcgMSkgc2V2ZXJhbCB5ZWFyIG9sZApoYXJkd2FyZSwgMikgYW4gdXAgdG8gZGF0ZSBYZW4s IGFuZCAzKSB0aGUgb2ZmLWJ5LWRlZmF1bHQgcGVyZm9ybWFuY2UKY291bnRlcnMgaXMgcHJvYmFi bHkgcmF0aGVyIHNtYWxsLgoKLSBLeWxlCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54 ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK