From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH for-4.7] xen/nested_p2m: Don't walk EPT tables with a regular PT walker Date: Fri, 13 May 2016 16:24:22 +0100 Message-ID: <5735F1A6.8090603@citrix.com> References: <1463146392-14773-1-git-send-email-andrew.cooper3@citrix.com> <5735FD1C02000078000EB428@prv-mh.provo.novell.com> <5735EC15.8080906@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <5735EC15.8080906@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich Cc: Kevin Tian , Wei Liu , George Dunlap , Tim Deegan , Xen-devel , Jun Nakajima List-Id: xen-devel@lists.xenproject.org T24gMTMvMDUvMTYgMTY6MDAsIEFuZHJldyBDb29wZXIgd3JvdGU6Cj4gT24gMTMvMDUvMTYgMTU6 MTMsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+PiBPbiAxMy4wNS4xNiBhdCAxNTozMywgPGFuZHJl dy5jb29wZXIzQGNpdHJpeC5jb20+IHdyb3RlOgo+Pj4gLS0tIGEveGVuL2FyY2gveDg2L21tL2hh cC9uZXN0ZWRfaGFwLmMKPj4+ICsrKyBiL3hlbi9hcmNoL3g4Ni9tbS9oYXAvbmVzdGVkX2hhcC5j Cj4+PiBAQCAtMTQxLDcgKzE0MSw3IEBAIG5lc3RlZGhhcF9maXhfcDJtKHN0cnVjdCB2Y3B1ICp2 LCBzdHJ1Y3QgcDJtX2RvbWFpbiAqcDJtLAo+Pj4gICAqIHdhbGsgaXMgc3VjY2Vzc2Z1bCwgdGhl IHRyYW5zbGF0ZWQgdmFsdWUgaXMgcmV0dXJuZWQgaW4KPj4+ICAgKiBMMV9ncGEuIFRoZSByZXN1 bHQgdmFsdWUgdGVsbHMgd2hhdCB0byBkbyBuZXh0Lgo+Pj4gICAqLwo+Pj4gLXN0YXRpYyBpbnQK Pj4+ICtpbnQKPj4+ICBuZXN0ZWRoYXBfd2Fsa19MMV9wMm0oc3RydWN0IHZjcHUgKnYsIHBhZGRy X3QgTDJfZ3BhLCBwYWRkcl90ICpMMV9ncGEsCj4+PiAgICAgICAgICAgICAgICAgICAgICAgIHVu c2lnbmVkIGludCAqcGFnZV9vcmRlciwgdWludDhfdCAqcDJtX2FjYywKPj4gVGhlIGZ1bmN0aW9u IGJlY29taW5nIG5vbi1zdGF0aWMgd2lkZW5zIHRoZSB2aXNpYmlsaXR5IG9mIHRoZSBib2d1cwo+ PiB1aW50OF90IGhlcmUgKHNob3VsZCBiZSBwMm1fYWNjZXNzX3QgYWZhaWNzKS4gR3JhbnRlZCB0 aGlzIGlzbid0IGFuCj4+IGlzc3VlIHRoZSBwYXRjaCBpbnRyb2R1Y2VzLCBidXQgSSB3b3VsZCBw cmVmZXIgdGhpcyB0byBiZSBhZGp1c3RlZAo+PiBwcmlvciB0byBkcm9wcGluZyB0aGUgc3RhdGlj IGhlcmUuLi4KPj4KPj4+IC0tLSBhL3hlbi9hcmNoL3g4Ni9tbS9wMm0uYwo+Pj4gKysrIGIveGVu L2FyY2gveDg2L21tL3AybS5jCj4+PiBAQCAtMjA4MSwyMCArMjA4MSwyOSBAQCB1bnNpZ25lZCBs b25nIHBhZ2luZ19ndmFfdG9fZ2ZuKHN0cnVjdCB2Y3B1ICp2LAo+Pj4gIAo+Pj4gICAgICBpZiAo IGlzX2h2bV92Y3B1KHYpICYmIHBhZ2luZ19tb2RlX2hhcCh2LT5kb21haW4pICYmIG5lc3RlZGh2 bV9pc19uMih2KSApCj4+PiAgICAgIHsKPj4+IC0gICAgICAgIHVuc2lnbmVkIGxvbmcgZ2ZuOwo+ Pj4gKyAgICAgICAgdW5zaWduZWQgbG9uZyBsMl9nZm4sIGwxX2dmbjsKPj4+ICAgICAgICAgIHN0 cnVjdCBwMm1fZG9tYWluICpwMm07Cj4+PiAgICAgICAgICBjb25zdCBzdHJ1Y3QgcGFnaW5nX21v ZGUgKm1vZGU7Cj4+PiAtICAgICAgICB1aW50MzJfdCBwZmVjXzIxID0gKnBmZWM7Cj4+PiAgICAg ICAgICB1aW50NjRfdCBucDJtX2Jhc2UgPSBuaHZtX3ZjcHVfcDJtX2Jhc2Uodik7Cj4+PiArICAg ICAgICB1aW50OF90IGwxX3AybWE7Cj4+IC4uLiBhdm9pZGluZyBwcm9saWZlcmF0aW9uIG9mIHRo ZSBxdWlya2luZXNzLgo+IFdpbGwgZG8uCgpJdCB0dXJucyBvdXQgdGhhdCB0aGlzIGlzIGN1cnJl bnRseSBoYXJkLCBkdWUgdG8gYSB0YW5nbGUgb2YgaGVhZGVyIGZpbGVzLgoKSSB3aWxsIHB1dCB0 aGlzIG9uIG15IFRPRE8gbGlzdCwgYnV0IHRoaXMgcG9pbnQsIEkgaGF2ZSBtb3JlIGltcG9ydGFu dAp0aGluZ3MgdG8gZG8gZm9yIDQuNy4KCn5BbmRyZXcKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVs QGxpc3RzLnhlbi5vcmcKaHR0cDovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==