From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH v7] x86/p2m: use large pages for MMIO mappings Date: Wed, 10 Feb 2016 10:06:09 +0000 Message-ID: <1455098769.19857.137.camel@citrix.com> References: <56B0D61302000078000CD962@prv-mh.provo.novell.com> <56B8D8C7.3050307@citrix.com> <56B9B47302000078000CFE4F@prv-mh.provo.novell.com> <56B9C5ED.4010403@citrix.com> <56B9E01502000078000CFFDE@prv-mh.provo.novell.com> <56B9D8C4.2070706@citrix.com> <56B9EB0902000078000D00AA@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 1aTRf3-0003wd-QL for xen-devel@lists.xenproject.org; Wed, 10 Feb 2016 10:06:13 +0000 In-Reply-To: <56B9EB0902000078000D00AA@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Jan Beulich , George Dunlap Cc: Kevin Tian , Wei Liu , Stefano Stabellini , George Dunlap , Andrew Cooper , Ian Jackson , TimDeegan , Jun Nakajima , xen-devel , Keir Fraser List-Id: xen-devel@lists.xenproject.org T24gVHVlLCAyMDE2LTAyLTA5IGF0IDA1OjM1IC0wNzAwLCBKYW4gQmV1bGljaCB3cm90ZToKPiA+ IE9uIDA5LjAyLjE2IGF0IDEzOjE3LCA8Z2VvcmdlLmR1bmxhcEBjaXRyaXguY29tPiB3cm90ZToK PiA+IEkgZG9uJ3QgdGhpbmsgc29tZXRpbWVzIHJldHVybmluZyB0aGUgbnVtYmVyIG9mIHRoaW5n cyB5b3UgZGlkIGFuZAo+ID4gc29tZXRpbWVzIHJldHVybmluZyB6ZXJvIG1ha2VzIGFueSBzZW5z ZS7CoMKgTXkgc3VnZ2VzdGlvbiB3b3VsZCBiZQo+ID4gZWl0aGVyCj4gPiBtYWtlICJucl9tZm5z IiBiaWRpcmVjdGlvbmFsIChhcyBzaW1pbGFyIGZpZWxkcyBhcmUgaW4gdGhlIG90aGVyCj4gPiBk b21jdGxzKSBhbmQgcmV0dXJuIDAgb24gZWl0aGVyIGZ1bGwgb3IgcGFydGlhbCBzdWNjZXNzLCBv ciBqdXN0IHJldHVybgo+ID4gdGhlIG51bWJlciBvZiBtZm5zIGFjdHVhbGx5IG1hcHBlZCBlaXRo ZXIgb24gZnVsbCBvciBwYXJ0aWFsIHN1Y2Nlc3MuCj4gCj4gQXMgc2FpZCAtIEkgY2FuIHNlZSB5 b3VyIHBvaW50LCBhbmQgSSd2ZSBiZWVuIGNvbnNpZGVyaW5nIHRoZQo+IGFsdGVybmF0aXZlcyBh bmQgaGFkIHRvIGRlY2lkZSBmb3Igb25lLiBTaW5jZSBJJ3ZlIGFscmVhZHkgZ290Cj4gSWFuJ3Mg YXBwcm92YWwgZm9yIHRoZSBjdXJyZW50bHkgaW1wbGVtZW50YXRpb24sIGFuZCBzaW5jZSB3ZSdy ZQo+IGF0IHY3IGFuZCBJJ3ZlIGFscmVhZHkgc3BlbnQgd2F5IG1vcmUgdGltZSBvbiB0aGlzIHRo YW4gSSBoYWQKPiBleHBlY3RlZCwgSSBob3BlIHlvdSB1bmRlcnN0YW5kIHRoYXQgSSdtIGEgbGl0 dGxlIGhlc2l0YW50IHRvCj4gbWFrZSBtb3JlIGNoYW5nZXMgKHBlcmhhcHMgZXZlbiByZXF1aXJp bmcgcmUtb2J0YWluaW5nIGFja3MsCj4gd2hpY2ggaGFzIGJ5IGl0c2VsZiBiZWVuIHRha2luZyBs b25nIGVub3VnaCBmb3IgdGhpcyBwYXRjaCkgdGhhbgo+IGFic29sdXRlbHkgbmVjZXNzYXJ5IHRv IGdldCB0aGlzIGluLgo+IAo+IFNvIC0gSWFuLCBkbyB5b3UgdGhpbmsgdGhlIGFsdGVybmF0aXZl IHByb3Bvc2VkIGJ5IEdlb3JnZQo+IHdvdWxkIG1ha2UgZm9yIGEgbWVhbmluZ2Z1bGx5IGJldHRl ciBpbnRlcmZhY2U/CgpJIGNhbiBzZWUgaGlzIHBvaW50LCBidXQgZm9yIGEgZG9tY3RsIEkgZG9u J3QgdGhpbmsgSSdkIGJlIGluY2xpbmVkIHRvCmluc2lzdCBvbiBjaGFuZ2luZyBpdCwgZ2l2ZW4g dGhlIHJlYXNvbnMgeW91IGV4cGxhaW4gYWJvdmUgZm9yIG5vdCB3YW50aW5nCnRvIGF0IHRoaXMg c3RhZ2UuCgpJJ2QgbW9zdCBsaWtlbHkgYmUgaW5jbGluZWQgdG8gYWNrIGEgZm9sbG93IHVwIHBh dGNoIChmcm9tIHdob21zb2V2ZXIgaXMKbW90aXZhdGVkIGVub3VnaCB0byBwcm9kdWNlIG9uZSkg d2hpY2ggcmV2dmVkIHRoZSBBUEkgYWdhaW4gdGhvdWdoLgoKSWFuLgoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApY ZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK