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spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ipxPt-0004Mt-5g; Fri, 10 Jan 2020 16:45:45 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ipxPs-0004Mm-6n for xen-devel@lists.xen.org; Fri, 10 Jan 2020 16:45:44 +0000 X-Inumbo-ID: 9f48c2ea-33c8-11ea-a2eb-bc764e2007e4 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 9f48c2ea-33c8-11ea-a2eb-bc764e2007e4; Fri, 10 Jan 2020 16:45:35 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id CBD81B25C; Fri, 10 Jan 2020 16:45:33 +0000 (UTC) To: Jan Beulich , Andrew Cooper References: <20200110103723.29538-1-sergey.dyasli@citrix.com> <5e6956a4-9b32-6fae-6fa5-cf72a627a3da@citrix.com> <01239ba8-9084-faff-c9f7-f59970aefd82@suse.com> From: =?UTF-8?B?SsO8cmdlbiBHcm/Dnw==?= Message-ID: Date: Fri, 10 Jan 2020 17:45:32 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.1 MIME-Version: 1.0 In-Reply-To: <01239ba8-9084-faff-c9f7-f59970aefd82@suse.com> Content-Language: en-US Subject: Re: [Xen-devel] [PATCH v2] xsm: hide detailed Xen version from unprivileged guests X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Sergey Dyasli , Lars Kurth , Stefano Stabellini , Julien Grall , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Ian Jackson , George Dunlap , xen-devel@lists.xen.org, Daniel De Graaf Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMTAuMDEuMjAgMTY6NTYsIEphbiBCZXVsaWNoIHdyb3RlOgo+IE9uIDEwLjAxLjIwMjAgMTY6 MjgsIEdlb3JnZSBEdW5sYXAgd3JvdGU6Cj4+IE9uIDEvMTAvMjAgMTE6MDIgQU0sIEFuZHJldyBD b29wZXIgd3JvdGU6Cj4+PiBPbiAxMC8wMS8yMDIwIDEwOjM3LCBTZXJnZXkgRHlhc2xpIHdyb3Rl Ogo+Pj4+IEhpZGUgdGhlIGZvbGxvd2luZyBpbmZvcm1hdGlvbiB0aGF0IGNhbiBoZWxwIGlkZW50 aWZ5IHRoZSBydW5uaW5nIFhlbgo+Pj4+IGJpbmFyeSB2ZXJzaW9uOiBYRU5WRVJfZXh0cmF2ZXJz aW9uLCBYRU5WRVJfY29tcGlsZV9pbmZvLCBYRU5WRVJfY2hhbmdlc2V0Lgo+Pj4+IEFkZCBleHBs aWNpdCBjYXNlcyBmb3IgWEVOVkVSX2NvbW1hbmRsaW5lIGFuZCBYRU5WRVJfYnVpbGRfaWQgYXMg d2VsbC4KPj4+Pgo+Pj4+IEludHJvZHVjZSB4c21fZmlsdGVyX2RlbmllZCgpIHRvIGh2bWxvYWRl ciB0byByZW1vdmUgIjxkZW5pZWQ+IiBzdHJpbmcKPj4+PiBmcm9tIGd1ZXN0J3MgRE1JIHRhYmxl cyB0aGF0IG90aGVyd2lzZSB3b3VsZCBiZSBzaG93biBpbiB0b29scyBsaWtlCj4+Pj4gZG1pZGVj b2RlLgo+Pj4+Cj4+Pj4gU2lnbmVkLW9mZi1ieTogU2VyZ2V5IER5YXNsaSA8c2VyZ2V5LmR5YXNs aUBjaXRyaXguY29tPgo+Pj4+IC0tLQo+Pj4+IHYxIC0tPiB2MjoKPj4+PiAtIEFkZGVkIHhzbV9m aWx0ZXJfZGVuaWVkKCkgdG8gaHZtbG9hZGVyIGluc3RlYWQgb2YgbW9kaWZ5aW5nIHhlbl9kZW55 KCkKPj4+PiAtIE1hZGUgYmVoYXZpb3VyIHRoZSBzYW1lIGZvciBib3RoIFJlbGVhc2UgYW5kIERl YnVnIGJ1aWxkcwo+Pj4+IC0gWEVOVkVSX2NhcGFiaWxpdGllcyBpcyBubyBsb25nZXIgaGlkZWQK Pj4+Pgo+Pj4+IENDOiBBbmRyZXcgQ29vcGVyIDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPgo+ Pj4+IENDOiBHZW9yZ2UgRHVubGFwIDxHZW9yZ2UuRHVubGFwQGV1LmNpdHJpeC5jb20+Cj4+Pj4g Q0M6IElhbiBKYWNrc29uIDxpYW4uamFja3NvbkBldS5jaXRyaXguY29tPgo+Pj4+IENDOiBKYW4g QmV1bGljaCA8amJldWxpY2hAc3VzZS5jb20+Cj4+Pj4gQ0M6IEp1bGllbiBHcmFsbCA8anVsaWVu QHhlbi5vcmc+Cj4+Pj4gQ0M6IEtvbnJhZCBSemVzenV0ZWsgV2lsayA8a29ucmFkLndpbGtAb3Jh Y2xlLmNvbT4KPj4+PiBDQzogU3RlZmFubyBTdGFiZWxsaW5pIDxzc3RhYmVsbGluaUBrZXJuZWwu b3JnPgo+Pj4+IENDOiBXZWkgTGl1IDx3bEB4ZW4ub3JnPgo+Pj4+IENDOiBEYW5pZWwgRGUgR3Jh YWYgPGRnZGVncmFAdHljaG8ubnNhLmdvdj4KPj4+Cj4+PiBJIHJlYWxpc2UgdGhlcmUgYXJlIGFy Z3VtZW50cyBvdmVyIGhvdyB0byBmaXggdGhpcywgYnV0IHdlICh0aGUgWGVuCj4+PiBjb21tdW5p dHkpIGhhdmUgYWxyZWFkeSBmKmNrZWQgdXAgb25jZSBoZXJlLCBhbmQgdGhpcyBpcyBkb2luZyBz byBhCj4+PiBzZWNvbmQgdGltZS4KPj4+Cj4+PiBOYWNrLgo+Pj4KPj4+IEZpeGluZyBpdCBhbnl3 aGVyZSBvdGhlciB0aGFuIFhlbiBpcyBzaW1wbHkgbm90IGFwcHJvcHJpYXRlLgo+IAo+IChyZXBs eWluZyBoZXJlLCBiZWNhdXNlIHRoZSBvcmlnaW5hbCBtYWlsIGRvZXNuJ3Qgc2VlbSB0byBoYXZl Cj4gbWFkZSBpdCBpbnRvIG15IGluYm94KQo+IAo+IEkndmUgc2FpZCBzbyB0byBTZXJnZXkgYWxy ZWFkeSBvbiB2MTogVGhlICJmaXgiIHlvdSB3YW50IG5lZWRzIHRvCj4gYmUgYXQgb3IgY2xvc2Vy IHRvIHRoZSBwcmVzZW50YXRpb24gbGF5ZXIuIEZyb20gWGVuJ3MgcGVyc3BlY3RpdmUKPiB0aGUg cmVxdWVzdCBmb3IgaW5mb3JtYXRpb24gd2FzIF9pbmRlZWRfIGRlbmllZC4KPiAKPj4+IFRoZSBy ZWFzb24gZm9yIHRoaXMgKHdoaWNoIG91Z2h0IHRvIGJlIG9idmlvdXMsIGJ1dCBJIGd1ZXNzIG9u bHkgdG8KPj4+IHRob3NlIHdobyBhY3R1YWxseSBkbyBjdXN0b21lciBzdXBwb3J0KSBpcyBiYXNp YyBodW1hbiBwaHlzaW9sb2d5Lgo+Pj4gImRlbmllZCIgbWVhbnMgc29tZXRoaW5nIGhhcyBnb25l IHdyb25nLsKgIEl0IHNjYXJlcyBwZW9wbGUsIGFuZCBjYXVzZXMKPj4+IHRoZW0gdG8gc2VlayBo ZWxwIHRvIGNoYW5nZSBmaXggd2hhdGV2ZXIgaXMgYnJva2VuLgo+Pgo+PiBUaGlzIHNlZW1zIGxp a2UgYSByZWFzb25hYmxlIGFyZ3VtZW50IHRoYXQgIjxkZW5pZWQ+IiBjYXVzZXMgaXNzdWVzLgo+ PiBCdXQgdGhhdCBkb2Vzbid0IGNoYW5nZSB0aGUgZmFjdCB0aGF0ICIiIGFsc28gY2F1c2VzIGlz c3Vlcy4KPj4KPj4gV2hhdCBhYm91dCBjaGFuZ2luZyB0aGUgc3RyaW5nIHRvICI8YnVpbGQtaWQg aGlkZGVuPiIgb3Igc29tZXRoaW5nIGxpa2UKPj4gdGhhdD8gIFRoYXQgbWFrZXMgaXQgbW9yZSBj bGVhciB3aGF0IHdvdWxkIGhhdmUgYmVlbiBpbiB0aGF0IHBsYWNlLCBhbmQKPj4gImhpZGRlbiIg aXMgYSBsb3QgbGVzcyBzY2FyeSB0aGFuICJkZW5pZWQiLgo+IAo+IEkgY291bGQgbGl2ZSB3aXRo IHRoaXMuIEJ1dCAoanVkZ2luZyBmcm9tIHRoZSBwaWN0dXJlIHRoYXQgd2FzCj4gcHJvdmlkZWQg ZWFybGllciBvbikgaXQgd291bGQgc3RpbGwgcmVxdWlyZSBmaWx0ZXJpbmcgYXQgb3IgY2xvc2UK PiB0byB0aGUgcHJlc2VudGF0aW9uIGxheWVyLCBhbmQgYnkgY2hhbmdpbmcgdGhlIHByaW9yIDxk ZW5pZWQ+IHRvCj4gZGlmZmVyZW50IGFuZCB2YXJ5aW5nIHN0cmluZ3MgbWF5IG1ha2UgdGhhdCBq b2IgaGFyZGVyIChhbGJlaXQKPiBwZXJoYXBzIHRoZXkgY291bGQgbG9vayBmb3IgYW55IDwuLi4+ KS4KCkknZCBnbyB3aXRoICI8aGlkZGVuPiIgb3IgIjxOSUw+Ii4gIjxidWlsZC1pZCBoaWRkZW4+ IiBhcyB2YWx1ZSBmb3IgdGhlCmJ1aWxkLWlkIGlzIHNpbWlsYXIgdG8gIkxDRC1kaXNwbGF5Ii4g QW5kIGl0IHdpbGwgY2VydGFpbmx5IG5vdCBiZSB0aGUKY29ycmVjdCB2YWx1ZSBmb3Igb3RoZXIg aGlkZGVuIGl0ZW1zLiA6LSkKCgpKdWVyZ2VuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0 cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlz dGluZm8veGVuLWRldmVs