From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH v8]xen: sched: convert RTDS from time to event driven model Date: Sat, 12 Mar 2016 22:36:24 +0000 Message-ID: <56E499E8.5080509@citrix.com> References: <1457724196-4760-1-git-send-email-tiche@seas.upenn.edu> <56E4967F.8060603@seas.upenn.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.84) (envelope-from ) id 1aes97-00016c-A1 for xen-devel@lists.xenproject.org; Sat, 12 Mar 2016 22:36:29 +0000 In-Reply-To: <56E4967F.8060603@seas.upenn.edu> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: "Chen, Tianyang" , Meng Xu Cc: "xen-devel@lists.xenproject.org" , Dario Faggioli , George Dunlap , Dagaen Golomb List-Id: xen-devel@lists.xenproject.org T24gMTIvMDMvMjAxNiAyMjoyMSwgQ2hlbiwgVGlhbnlhbmcgd3JvdGU6Cj4KPgo+IE9uIDAzLzEx LzIwMTYgMTE6NTQgUE0sIE1lbmcgWHUgd3JvdGU6Cj4+IEknbSBmb2N1c2luZyBvbiB0aGUgc3R5 bGUgYW5kIHRoZSBsb2dpYyBpbiB0aGUgcmVwbGVuaXNoIGhhbmRsZXI6Cj4+Cj4+PiAgIC8qCj4+ PiBAQCAtMTYwLDYgKzE4MCw3IEBAIHN0cnVjdCBydF9wcml2YXRlIHsKPj4+ICAgICovCj4+PiAg IHN0cnVjdCBydF92Y3B1IHsKPj4+ICAgICAgIHN0cnVjdCBsaXN0X2hlYWQgcV9lbGVtOyAgICAv KiBvbiB0aGUgcnVucS9kZXBsZXRlZHEgbGlzdCAqLwo+Pj4gKyAgICBzdHJ1Y3QgbGlzdF9oZWFk IHJlcGxxX2VsZW07Lyogb24gdGhlIHJlcGwgZXZlbnQgbGlzdCAqLwo+Pgo+PiBtaXNzaW5nIHNw YWNlIGJlZm9yZSAvKgo+Pgo+Cj4gSSB3YXNuJ3Qgc3VyZSBpZiBhbGwgdGhlIGNvbW1lbnRzIHNo b3VsZCBiZSBsaW5lZCB1cCBvciBub3QuIE1heWJlCj4gdGhlcmUgc2hvdWxkIGJlIG9uZSBtb3Jl IHNwYWNlIGZvciBhbGwgdGhlIGZpZWxkcyBzbyB0aGV5IG5pY2VseSBsaW5lIHVwPwoKQXQgdGhl IHZlcnkgbGVhc3QsIHRoZXJlIHNob3VsZCBiZSBhIHNwYWNlIGJldHdlZW4gdGhlIDsgYW5kIC8K CklmIHlvdSB3ZXJlIGludHJvZHVjaW5nIHRoZSBlbnRpcmUgc3RydWN0dXJlIGF0IG9uY2UgdGhl biBhbGlnbmVkCmNvbW1lbnRzIHdvdWxkIGJlIGJldHRlciwgb3IgaWYgeW91IHdlcmUgc3VibWl0 dGluZyBhIGxhcmdlciBzZXJpZXMgd2l0aApzb21lIGNsZWFudXAgcGF0Y2hlcywgdGhlbiBtb2Rp ZnlpbmcgdGhlIGV4aXN0aW5nIGxheW91dCB3b3VsZCBiZQphY2NlcHRhYmxlLgoKSW4gdGhpcyBj YXNlIGhvd2V2ZXIsIEkgd291bGQgYXZvaWQgYWxpZ25pbmcgYWxsIHRoZSBjb21tZW50cywgYXMg aXQKZGV0cmFjdHMgZnJvbSB0aGUgY2xhcml0eSBvZiB0aGUgcGF0Y2ggKHdob3NlIHB1cnBvc2Ug aXMgYSBmdW5jdGlvbmFsCmNoYW5nZSkuCgo+Cj4+PiArc3RhdGljIGludAo+Pj4gK2RlYWRsaW5l X3F1ZXVlX2luc2VydChzdHJ1Y3QgcnRfdmNwdSAqICgqX2dldF9xX2VsZW0pKHN0cnVjdAo+Pj4g bGlzdF9oZWFkICplbGVtKSwKPj4+ICsgICAgc3RydWN0IHJ0X3ZjcHUgKnN2Yywgc3RydWN0IGxp c3RfaGVhZCAqZWxlbSwgc3RydWN0IGxpc3RfaGVhZAo+Pj4gKnF1ZXVlKQo+Pj4gK3sKPj4+ICsg ICAgc3RydWN0IGxpc3RfaGVhZCAqaXRlcjsKPj4+ICsgICAgaW50IHBvcyA9IDA7Cj4+PiArCj4+ PiArICAgIGxpc3RfZm9yX2VhY2goaXRlciwgcXVldWUpCj4+Cj4+IHNwYWNlIGFmdGVyICggYW5k IGJlZm9yZSApCj4+IElmIG5vdCBzdXJlIGFib3V0IHRoZSBzcGFjZSwgd2UgY2FuIHJlZmVyIHRv IHRoZSBzY2hlZF9jcmVkaXQuYyBmb3IKPj4gdGhlIHN0eWxlIGFzIHdlbGwsIGJlc2lkZSB0aGUg Q09ESU5HX1NUWUxFIGZpbGUuIDotKQo+Pgo+Cj4gT2suIEJ1dCBpbiBfX3J1bnFfcGljaygpIHRo ZXJlIGlzIG5vIHNwYWNlLiBBbHNvIHRoZXJlIGlzIG5vIHNwYWNlIGluCj4gdGhlIGRlZmluaXRp b24gb2YgdGhpcyBtYWNybzoKPiAjZGVmaW5lIGxpc3RfZm9yX2VhY2gocG9zLCBoZWFkKSBcCj4g V2hpY2ggb25lIHNob3VsZCBJIGZvbGxvdz8KPgoKQXBvbG9naWVzIGZvciB0aGF0LiAgVGhlIGNv ZGUgaXMgbm90IGluIGEgcGFydGljdWxhcmx5IGdvb2Qgc3RhdGUsIGJ1dAp3ZSBkbyByZXF1ZXN0 IHRoYXQgYWxsIG5ldyBjb2RlIGFkaGVyZXMgdG8gdGhlIGd1aWRlbGluZXMsIGluIGEgaG9wZQp0 aGF0IGV2ZW50dWFsbHkgaXQgd2lsbCBiZSBjb25zaXN0ZW50LgoKVGhlIG1hY3JvIGRlZmluaXRp b24gd29uJ3QgaGF2ZSBzcGFjZXMgYmVjYXVzZSBDUFAgc3ludGF4IHJlcXVpcmVzIHRoYXQKdGhl ICggYmUgaW1tZWRpYXRlbHkgZm9sbG93aW5nIHRoZSBtYWNybyBuYW1lLiAgVGhlIFhlbiBjb2Rp bmcKZ3VpZGVsaW5lcyByZXF1aXJlIHRoYXQgY29udHJvbCBzdHJ1Y3R1cmVzIGluY2x1ZGluZyBp ZiwgZm9yLCB3aGlsZSwgYW5kCnRoZXNlIG1hY3JvIHN0cnVjdHVyZXMgKGJlaW5nIGFuIGV4dGVu c2lvbiBvZiBhIGZvciBsb29wKSBoYXZlIHNwYWNlcwpiZXR3ZWVuIHRoZSBjb250cm9sIG5hbWUs IGFuZCBpbW1lZGlhdGVseSBpbnNpZGUgdGhlIGNvbnRyb2wgYnJhY2tldHMuCgpUaGVyZWZvcmUs IGl0IHNob3VsZCBlbmQgdXAgYXMKCi4uLgpsaXN0X2Zvcl9lYWNoICggaXRlciwgcXVldWUgKQp7 Ci4uLgoKSWYgeW91IHdpc2gsIHlvdSBhcmUgbW9yZSB0aGFuIHdlbGNvbWUgdG8gc3VibWl0IGFu IGFkZGl0aW9uYWwgcGF0Y2gKd2hvc2UgcHVycG9zZSBpcyB0byBzcGVjaWZpY2FsbHkgZml4IHRo ZSBwcmUtZXhpc3Rpbmcgc3R5bGUgaXNzdWVzLCBidXQKeW91IGFyZSB1bmRlciBubyBvYmxpZ2F0 aW9uIHRvLgoKfkFuZHJldwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpo dHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK