From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: Possible to prevent dom0 accessing guest memory? Date: Mon, 14 Nov 2016 15:06:12 +0000 Message-ID: References: <20161114145134.GJ1804@bitfolk.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20161114145134.GJ1804@bitfolk.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Andy Smith , xen-devel List-Id: xen-devel@lists.xenproject.org T24gMTQvMTEvMTYgMTQ6NTEsIEFuZHkgU21pdGggd3JvdGU6Cj4gSGVsbG8sCj4KPiBQbGVhc2Ug Zm9yZ2l2ZSBtZSBpZiB0aGlzIGlzIGEgbmFpdmUgcXVlc3Rpb24gYnV0IEkgZG8gbm90IGtub3cg dGhpcwo+IGxvdy1sZXZlbCBzdHVmZiB2ZXJ5IHdlbGwuCj4KPiBJZiB0aGUgYWJpbGl0eSBvZiB0 aGUgdG9vbHN0YWNrIHRvIGR1bXAgYSBndWVzdCdzIG1lbW9yeSAoZS5nLiB4bAo+IGR1bXAtY29y ZSkgd2VyZSBkaXNhYmxlZCBvbiB0aGUgaHlwZXJ2aXNvciBzaWRlLCB3b3VsZCB0aGVyZSBiZSBh bnkKPiBvdGhlciB3YXkgdG8gZG8gc28gZnJvbSBkb20wIHdpdGhvdXQgcmVib290aW5nIHRoZSBt YWNoaW5lIGludG8gYQo+IGh5cGVydmlzb3IgdGhhdCBoYWQgdGhlIGNhcGFiaWxpdHkgcmUtZW5h YmxlZD8KPgo+IEkgdW5kZXJzdGFuZCBkb20wIGhhcyBwcml2aWxlZ2VzIHRvIG1hcCBkZXZpY2Vz IHRvIGd1ZXN0czsgZG9lcyB0aGF0Cj4gZ2l2ZSBpdCBhIHdheSB0byByZWFkIGFyYml0cmFyeSBt ZW1vcnkgd2l0aG91dCBuZWVkIG9mIHRvb2xzdGFjawo+IHN1cHBvcnQ/Cj4KPiBUaGUgcHVycG9z ZSBvZiBteSBxdWVzdGlvbiBpcyBpbiBzZWVpbmcgaWYgZGlzayBlbmNyeXB0aW9uIGluIFZNcwo+ IGNhbiBiZSBtYWRlIHNsaWdodGx5IG1vcmUgdXNlZnVsLiBJZiB0aGVyZSB3ZXJlIG5vIHdheSBm b3Igcm9vdCBpbgo+IGRvbTAgdG8gcmVhZCBndWVzdCBtZW1vcnkgd2l0aG91dCByZWJvb3Rpbmcg aW50byBhIGRpZmZlcmVudAo+IGh5cGVydmlzb3IgdGhlbiBJIHRoaW5rIHRoYXQgd291bGQgYmUg YSB1c2VmdWwgc3RlcC4KCllvdSBoYXZlIG1pc3VuZGVyc3Rvb2QgYSBzdGVwLgoKRG9tMCBjYW4g bWFwIGFsbCBvZiBndWVzdCBtZW1vcnkuICBUaGlzIGlzIGhvdyBgeGwgZHVtcC1jb3JlYCBpcwpp bXBsZW1lbnRlZCwgYXMgd2VsbCBhcyBob3cgUWVtdSBlbXVsYXRlcyBkZXZpY2VzIGZvciB0aGUg Z3Vlc3QuCgpIb3dldmVyLCBpdCBpcyBhbHNvIGEgc3RyaWN0IHJlcXVpcmVtZW50IGZvciBEb20w IHRvIGNvbnN0cnVjdCB0aGUKZG9tYWluIGluIHRoZSBmaXJzdCBwbGFjZSwgc28geW91IGNhbid0 IHNpbXBseSBkaXNhYmxlIGl0IGluIHRoZQpoeXBlcnZpc29yIGFuZCBlbmQgdXAgd2l0aCBhIHdv cmtpbmcgc3lzdGVtLgoKRXZlbiBpZiBpdCB3ZXJlIHBvc3NpYmxlIHRvIGV4Y2x1ZGUgdGhpcyBp biBYZW4sIERvbTAgYnkgZGVmYXVsdCBoYXMgYQpudW1iZXIgb2YgcG93ZXJzIHdoaWNoIGNhbiBh bHRlciBoeXBlcnZpc29yIGNvZGUsIHN1Y2ggYXMgbG9hZGluZyBhCmNyYXNoIGtlcm5lbCBvciBh IGxpdmVwYXRjaC4KCn5BbmRyZXcKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5v cmcKaHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=