From mboxrd@z Thu Jan 1 00:00:00 1970 From: xinyue Subject: Re: Performance problem about address translation Date: Wed, 08 Jul 2015 14:26:23 +0800 Message-ID: <559CC28F.5040306@nfs.iscas.ac.cn> References: <1067971165.109277.1436239470649.JavaMail.tomcat@nfs.iscas.ac.cn> <1436269742.25646.179.camel@citrix.com> <559CBF96.1040404@nfs.iscas.ac.cn> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZCiog-0003ep-Fh for xen-devel@lists.xenproject.org; Wed, 08 Jul 2015 06:26:46 +0000 In-Reply-To: <559CBF96.1040404@nfs.iscas.ac.cn> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ian Campbell Cc: "andrew.cooper3" , xen-devel List-Id: xen-devel@lists.xenproject.org VmVyeSBzb3JyeSBmb3Igc2VuZGluZyB3cm9uZyBiZWZvcmUuCk9uIDIwMTXlubQwN+aciDA45pel IDE0OjEzLCB4aW55dWUgd3JvdGU6Cj4KPiBPbiAyMDE15bm0MDfmnIgwN+aXpSAxOTo0OSwgSWFu IENhbXBiZWxsIHdyb3RlOgo+PiBPbiBUdWUsIDIwMTUtMDctMDcgYXQgMTE6MjQgKzA4MDAsIHhp bnl1ZSB3cm90ZToKPj4KPj4gUGxlYXNlIGRvbid0IHVzZSBIVE1MIG1haWwgYW5kIGRvIHByb3Bl ciAiPiIgcXVvdGluZwo+Pgo+Pj4gQW5kIGFmdGVyIGFuYWx5emluZyB0aGUgcGVyZm9ybWFuY2Ug b2YgaHZtIGRvbXUsIEkgZm91bmQgYSBwcm9jZXNzCj4+PiBuYW1lZCAiZXZvbHV0aW9uLWRhdGEt IiB1c2luZyBhbG1vc3QgOTkuOSUgY3B1LiBEb2VzIHNvbWVvbmUga25vd24KPj4+IHdoYXQncyB0 aGlzIGFuZCB3aHkgaXQgYXBwZWFycz8KPj4gZXZvbHV0aW9uLWRhdGEtc2VydmVyIGlzIHBhcnQg b2YgdGhlIGV2b2x1dGlvbiBtYWlsIGNsaWVudC4gSXQgaGFzCj4+IG5vdGhpbmcgdG8gZG8gd2l0 aCBYZW4gSSdtIGFmcmFpZCBzbyB5b3Ugd2lsbCBoYXZlIHRvIGxvb2sgZWxzZXdoZXJlIGZvcgo+ PiB3aHkgaXQgaXMgdGFraW5nIHNvIG11Y2ggQ1BVLgo+Pgo+PiBJYW4uCj4+Cj4KU29ycnkgZm9y IHRoYXQgYW5kIHRoYW5rcyB2ZXJ5IG11Y2guCgpJIHRoaW5rIHRoZSBwcm9ibGVtIG1heWJlIGNh dXNlZCBieSB0aGUgYWRkcmVzcyBhbGlnbm1lbnQuIFRoZSBIVk0gRG9tVSAKY3Jhc2hlZCBhZnRl ciB0aGUgaHlwZXJjYWxsIGFuZCBEb20wIGNyYXNoZWQgbGF0ZXIgc29tZXRpbWVzIHdpdGggIkJ1 cyAKZXJyb3IiLgoKSSB0aGluayB0aGUgZnVuY3Rpb24gdGhhdCBjYXVzZWQgdGhlIGNyYXNoIGlz IGdldF9nZm4uIFRoZSByZWxhdGVkIGNvZGUgaXMKCiAgICAgdW5zaWduZWQgbG9uZyBnZm47CiAg ICAgdW5zaWduZWQgbG9uZyBtZm47CiAgICAgc3RydWN0IHZjcHUgKnZjcHUgPSBjdXJyZW50Owog ICAgIHN0cnVjdCBkb21haW4gKmQgPSB2Y3B1LT5kb21haW47CiAgICAgdWludDMyX3QgcGZlYyA9 IFBGRUNfcGFnZV9wcmVzZW50OwogICAgIHAybV90eXBlX3QgdDsKICAgICBnZm4gPSBwYWdpbmdf Z3ZhX3RvX2dmbihjdXJyZW50LCAweGMwMjkwMDAwLCAmcGZlYyk7CiAgICAgbWZuID0gZ2V0X2dm bihkLCBnZm4sICZ0KTsKCklzIHRoYXQgSSBsb3N0IHNvbWUgdHlwZSB0cmFuc2xhdGlvbj8KCgpU aGFua3MgYW5kIGJlc3QgcmVnYXJkcyEKCnhpbnl1ZQoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxA bGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK