From mboxrd@z Thu Jan 1 00:00:00 1970 From: George Dunlap Subject: Re: Notes on stubdoms and latency on ARM Date: Thu, 1 Jun 2017 16:02:44 +0100 Message-ID: References: <7d065c72-aaa8-fb05-11a3-97681ba29acf@citrix.com> <2FD7B7F5-318E-410B-9B74-3CB53610A958@citrix.com> <1496320839.10189.1.camel@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1496320839.10189.1.camel@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Dario Faggioli , Stefano Stabellini Cc: Volodymyr Babchuk , "Artem_Mygaiev@epam.com" , Julien Grall , "xen-devel@lists.xensource.com" , Andrii Anisov List-Id: xen-devel@lists.xenproject.org T24gMDEvMDYvMTcgMTM6NDAsIERhcmlvIEZhZ2dpb2xpIHdyb3RlOgo+IE9uIFRodSwgMjAxNy0w Ni0wMSBhdCAxMjo1MiArMDIwMCwgR2VvcmdlIER1bmxhcCB3cm90ZToKPj4+IE9uIE1heSAzMSwg MjAxNywgYXQgNjo0NSBQTSwgU3RlZmFubyBTdGFiZWxsaW5pIDxzc3RhYmVsbGluaUBrZXJuZWwK Pj4+IC5vcmc+IHdyb3RlOgo+Pj4KPj4+IEkgZG9uJ3QgdGhpbmsgd2Ugc2hvdWxkIHByb3ZpZGUg dGhhdC4gSWYgdGhlIHVzZXIgd2FudHMgYSBzdGFibGUKPj4+IGludGVyZmFjZSwgc2hlIGNhbiB1 c2UgZG9tYWlucy4gSSBzdWdnZXN0ZWQgdGhhdCB0aGUgY29kZSBmb3IgdGhlCj4+PiBFTDAKPj4+ IGFwcCBzaG91bGQgY29tZSBvdXQgb2YgdGhlIFhlbiByZXBvc2l0b3J5IGRpcmVjdGx5LiBMaWtl IGZvciB0aGUKPj4+IFhlbgo+Pj4gdG9vbHMsIHRoZXkgd291bGQgYmUgZXhwZWN0ZWQgdG8gYmUg YWx3YXlzIGluLXN5bmMuCj4+Cj4+IEhtbSwgaXQgc291bmRzIGxpa2UgcGVyaGFwcyBJIG1pc3Vu ZGVyc3Rvb2QgeW91IGFuZCBWb2xvZHlteXIuICBJCj4+IHRvb2sg4oCceW91IGp1c3QgY2FsbCBm dW5jdGlvbiBgaGFuZGxlX21taW8oKWAgcmlnaHQgaW4gdGhlIGFwcOKAnSB0bwo+PiBtZWFuIHRo YXQgdGhlICphcHAqIGNhbGxzIHRoZSAqaHlwZXJ2aXNvciogZnVuY3Rpb24gbmFtZWQKPj4g4oCc aGFuZGxlX21taW/igJ0uCj4+Cj4gUmlnaHQuIFRoYXQgd2hhdCBJIGhhZCB1bmRlcnN0b29kIHRv by4KPiAKPj4gSXQgc291bmRzIGxpa2Ugd2hhdCBoZSAob3IgYXQgbGVhc3QgeW91KSBhY3R1YWxs eSBtZWFudCB3YXMgdGhhdCB0aGUKPj4gKmh5cGVydmlzb3IqIGNhbGxzIHRoZSBmdW5jdGlvbiBu YW1lZCDigJxoYW5kbGVfbW1pb+KAnSBpbiB0aGUgKmFwcCo/Cj4+Cj4gTW1tLi4uIGl0J3MgY2xl YXJseSBtZSB0aGF0IGFtIGJlaW5nIGRlbnNlLCBidXQgd2hhdCBkbyB5b3UgZXhhY3RseQo+IG1l YW4gd2l0aCAidGhlIGh5cGVydmlzb3IgY2FsbHMgdGhlIGZ1bmN0aW9uIG5hbWVkIGhhbmRsZV9t bWlvKCkgaW4gdGhlCj4gYXBwIj8gSW4gcGFydGljdWxhciB0aGUgImluIHRoZSBhcHAiIHBhcnQs IGFuZCBob3cgaXMgdGhlIGh5cGVydmlzb3IKPiBnb2luZyB0byBiZSAiaW4iIHRoZSBhcHAuLi4K CldlbGwgaXQgc291bmRzIHRvIG1lIHNpbWlsYXIgdG8gd2hhdCBMaW51eCB3b3VsZCBkbyB3aXRo IG1vZHVsZXM6IHRoZQptb2R1bGUgaGFzIHRoZSBzeW1ib2xzIGVuY29kZWQgc29tZXdoZXJlIGlu IGl0LiAgVGhlIGh5cGVydmlzb3Igd291bGQKbG9hZCB0aGUgImFwcCIgYmluYXJ5OyBhbmQgd2hl biB0aGUgYXBwcm9wcmlhdGUgZGV2aWNlIE1NSU8gaGFwcGVuZWQsIGl0CndvdWxkIGNhbGwgdGhl ICJoYW5kbGVfbW1pbygpIiBmdW5jdGlvbiAod2hpY2ggd291bGQgYmUgYSBiaXQgbW9yZSBsaWtl CmFuIGVudHJ5IHBvaW50KS4KCkJ1dCBpdCBzZWVtcyB0byBtZSBsaWtlIGhhdmluZyBhbiBpbnRl cmZhY2Ugd2hlcmUgdGhlIGFwcCBhY3RpdmVseQpyZWdpc3RlcnMgY2FsbGJhY2tzIGZvciBzcGVj aWZpYyBldmVudHMgaXMgYSBsb3QgZWFzaWVyIHRoYW4gd29ya2luZyBvdXQKaG93IHRvIHN0b3Jl IHRoZSBkeW5hbWljIGxpbmtpbmcgaW5mb3JtYXRpb24gaW4gdGhlIG1vZHVsZSBhbmQgdGhlbgpw YXJzZSBpdCBpbiBYZW4uCgogLUdlb3JnZQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMu eGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==