From mboxrd@z Thu Jan 1 00:00:00 1970 From: xinyue Subject: Re: Performance problem about address translation Date: Wed, 08 Jul 2015 15:43:19 +0800 Message-ID: <559CD497.7000100@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> <559CC28F.5040306@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 1ZCk2K-0007lM-Ps for xen-devel@lists.xenproject.org; Wed, 08 Jul 2015 07:44:56 +0000 In-Reply-To: <559CC28F.5040306@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 Ck9uIDIwMTXlubQwN+aciDA45pelIDE0OjI2LCB4aW55dWUgd3JvdGU6Cj4gVmVyeSBzb3JyeSBm b3Igc2VuZGluZyB3cm9uZyBiZWZvcmUuCj4gT24gMjAxNeW5tDA35pyIMDjml6UgMTQ6MTMsIHhp bnl1ZSB3cm90ZToKPj4KPj4gT24gMjAxNeW5tDA35pyIMDfml6UgMTk6NDksIElhbiBDYW1wYmVs bCB3cm90ZToKPj4+IE9uIFR1ZSwgMjAxNS0wNy0wNyBhdCAxMToyNCArMDgwMCwgeGlueXVlIHdy b3RlOgo+Pj4KPj4+IFBsZWFzZSBkb24ndCB1c2UgSFRNTCBtYWlsIGFuZCBkbyBwcm9wZXIgIj4i IHF1b3RpbmcKPj4+Cj4+Pj4gQW5kIGFmdGVyIGFuYWx5emluZyB0aGUgcGVyZm9ybWFuY2Ugb2Yg aHZtIGRvbXUsIEkgZm91bmQgYSBwcm9jZXNzCj4+Pj4gbmFtZWQgImV2b2x1dGlvbi1kYXRhLSIg dXNpbmcgYWxtb3N0IDk5LjklIGNwdS4gRG9lcyBzb21lb25lIGtub3duCj4+Pj4gd2hhdCdzIHRo aXMgYW5kIHdoeSBpdCBhcHBlYXJzPwo+Pj4gZXZvbHV0aW9uLWRhdGEtc2VydmVyIGlzIHBhcnQg b2YgdGhlIGV2b2x1dGlvbiBtYWlsIGNsaWVudC4gSXQgaGFzCj4+PiBub3RoaW5nIHRvIGRvIHdp dGggWGVuIEknbSBhZnJhaWQgc28geW91IHdpbGwgaGF2ZSB0byBsb29rIGVsc2V3aGVyZSAKPj4+ IGZvcgo+Pj4gd2h5IGl0IGlzIHRha2luZyBzbyBtdWNoIENQVS4KPj4+Cj4+PiBJYW4uCj4+Pgo+ Pgo+IFNvcnJ5IGZvciB0aGF0IGFuZCB0aGFua3MgdmVyeSBtdWNoLgo+Cj4gSSB0aGluayB0aGUg cHJvYmxlbSBtYXliZSBjYXVzZWQgYnkgdGhlIGFkZHJlc3MgYWxpZ25tZW50LiBUaGUgSFZNIAo+ IERvbVUgY3Jhc2hlZCBhZnRlciB0aGUgaHlwZXJjYWxsIGFuZCBEb20wIGNyYXNoZWQgbGF0ZXIg c29tZXRpbWVzIHdpdGggCj4gIkJ1cyBlcnJvciIuCj4KPiBJIHRoaW5rIHRoZSBmdW5jdGlvbiB0 aGF0IGNhdXNlZCB0aGUgY3Jhc2ggaXMgZ2V0X2dmbi4gVGhlIHJlbGF0ZWQgCj4gY29kZSBpcwo+ Cj4gICAgIHVuc2lnbmVkIGxvbmcgZ2ZuOwo+ICAgICB1bnNpZ25lZCBsb25nIG1mbjsKPiAgICAg c3RydWN0IHZjcHUgKnZjcHUgPSBjdXJyZW50Owo+ICAgICBzdHJ1Y3QgZG9tYWluICpkID0gdmNw dS0+ZG9tYWluOwo+ICAgICB1aW50MzJfdCBwZmVjID0gUEZFQ19wYWdlX3ByZXNlbnQ7Cj4gICAg IHAybV90eXBlX3QgdDsKPiAgICAgZ2ZuID0gcGFnaW5nX2d2YV90b19nZm4oY3VycmVudCwgMHhj MDI5MDAwMCwgJnBmZWMpOwo+ICAgICBtZm4gPSBnZXRfZ2ZuKGQsIGdmbiwgJnQpOwo+Cj4gSXMg dGhhdCBJIGxvc3Qgc29tZSB0eXBlIHRyYW5zbGF0aW9uPwo+Cj4KPiBUaGFua3MgYW5kIGJlc3Qg cmVnYXJkcyEKPgo+IHhpbnl1ZQoKClRoYW5rcyBmb3IgYWxsIGFkdmljZXMsIEkgZm91bmQgdGhl IHByb2JsZW0gYXBwZWFyZWQgYmVjYXVzZSBJIGZvcmdldCAKYWRkaW5nIGZ1bmN0aW9uIHB1dF9n Zm4uCgpUaGFua3MgYWdhaW4gYW5kIGJlc3QgcmVnYXJkcyEKCnhpbnl1ZQoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlz dApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK