From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 15536C282DD for ; Fri, 10 Jan 2020 15:56:35 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E26DF2080D for ; Fri, 10 Jan 2020 15:56:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E26DF2080D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; 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 1ipwdy-00076V-As; Fri, 10 Jan 2020 15:56:14 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ipwdw-00076Q-Vf for xen-devel@lists.xen.org; Fri, 10 Jan 2020 15:56:13 +0000 X-Inumbo-ID: b9122f2e-33c1-11ea-bf4d-12813bfff9fa Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id b9122f2e-33c1-11ea-bf4d-12813bfff9fa; Fri, 10 Jan 2020 15:56:12 +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 9DDA5B15D; Fri, 10 Jan 2020 15:56:10 +0000 (UTC) To: Andrew Cooper References: <20200110103723.29538-1-sergey.dyasli@citrix.com> <5e6956a4-9b32-6fae-6fa5-cf72a627a3da@citrix.com> From: Jan Beulich Message-ID: <01239ba8-9084-faff-c9f7-f59970aefd82@suse.com> Date: Fri, 10 Jan 2020 16:56:10 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 MIME-Version: 1.0 In-Reply-To: <5e6956a4-9b32-6fae-6fa5-cf72a627a3da@citrix.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-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMTAuMDEuMjAyMCAxNjoyOCwgR2VvcmdlIER1bmxhcCB3cm90ZToKPiBPbiAxLzEwLzIwIDEx OjAyIEFNLCBBbmRyZXcgQ29vcGVyIHdyb3RlOgo+PiBPbiAxMC8wMS8yMDIwIDEwOjM3LCBTZXJn ZXkgRHlhc2xpIHdyb3RlOgo+Pj4gSGlkZSB0aGUgZm9sbG93aW5nIGluZm9ybWF0aW9uIHRoYXQg Y2FuIGhlbHAgaWRlbnRpZnkgdGhlIHJ1bm5pbmcgWGVuCj4+PiBiaW5hcnkgdmVyc2lvbjogWEVO VkVSX2V4dHJhdmVyc2lvbiwgWEVOVkVSX2NvbXBpbGVfaW5mbywgWEVOVkVSX2NoYW5nZXNldC4K Pj4+IEFkZCBleHBsaWNpdCBjYXNlcyBmb3IgWEVOVkVSX2NvbW1hbmRsaW5lIGFuZCBYRU5WRVJf YnVpbGRfaWQgYXMgd2VsbC4KPj4+Cj4+PiBJbnRyb2R1Y2UgeHNtX2ZpbHRlcl9kZW5pZWQoKSB0 byBodm1sb2FkZXIgdG8gcmVtb3ZlICI8ZGVuaWVkPiIgc3RyaW5nCj4+PiBmcm9tIGd1ZXN0J3Mg RE1JIHRhYmxlcyB0aGF0IG90aGVyd2lzZSB3b3VsZCBiZSBzaG93biBpbiB0b29scyBsaWtlCj4+ PiBkbWlkZWNvZGUuCj4+Pgo+Pj4gU2lnbmVkLW9mZi1ieTogU2VyZ2V5IER5YXNsaSA8c2VyZ2V5 LmR5YXNsaUBjaXRyaXguY29tPgo+Pj4gLS0tCj4+PiB2MSAtLT4gdjI6Cj4+PiAtIEFkZGVkIHhz bV9maWx0ZXJfZGVuaWVkKCkgdG8gaHZtbG9hZGVyIGluc3RlYWQgb2YgbW9kaWZ5aW5nIHhlbl9k ZW55KCkKPj4+IC0gTWFkZSBiZWhhdmlvdXIgdGhlIHNhbWUgZm9yIGJvdGggUmVsZWFzZSBhbmQg RGVidWcgYnVpbGRzCj4+PiAtIFhFTlZFUl9jYXBhYmlsaXRpZXMgaXMgbm8gbG9uZ2VyIGhpZGVk Cj4+Pgo+Pj4gQ0M6IEFuZHJldyBDb29wZXIgPGFuZHJldy5jb29wZXIzQGNpdHJpeC5jb20+Cj4+ PiBDQzogR2VvcmdlIER1bmxhcCA8R2VvcmdlLkR1bmxhcEBldS5jaXRyaXguY29tPgo+Pj4gQ0M6 IElhbiBKYWNrc29uIDxpYW4uamFja3NvbkBldS5jaXRyaXguY29tPgo+Pj4gQ0M6IEphbiBCZXVs aWNoIDxqYmV1bGljaEBzdXNlLmNvbT4KPj4+IENDOiBKdWxpZW4gR3JhbGwgPGp1bGllbkB4ZW4u b3JnPgo+Pj4gQ0M6IEtvbnJhZCBSemVzenV0ZWsgV2lsayA8a29ucmFkLndpbGtAb3JhY2xlLmNv bT4KPj4+IENDOiBTdGVmYW5vIFN0YWJlbGxpbmkgPHNzdGFiZWxsaW5pQGtlcm5lbC5vcmc+Cj4+ PiBDQzogV2VpIExpdSA8d2xAeGVuLm9yZz4KPj4+IENDOiBEYW5pZWwgRGUgR3JhYWYgPGRnZGVn cmFAdHljaG8ubnNhLmdvdj4KPj4KPj4gSSByZWFsaXNlIHRoZXJlIGFyZSBhcmd1bWVudHMgb3Zl ciBob3cgdG8gZml4IHRoaXMsIGJ1dCB3ZSAodGhlIFhlbgo+PiBjb21tdW5pdHkpIGhhdmUgYWxy ZWFkeSBmKmNrZWQgdXAgb25jZSBoZXJlLCBhbmQgdGhpcyBpcyBkb2luZyBzbyBhCj4+IHNlY29u ZCB0aW1lLgo+Pgo+PiBOYWNrLgo+Pgo+PiBGaXhpbmcgaXQgYW55d2hlcmUgb3RoZXIgdGhhbiBY ZW4gaXMgc2ltcGx5IG5vdCBhcHByb3ByaWF0ZS4KCihyZXBseWluZyBoZXJlLCBiZWNhdXNlIHRo ZSBvcmlnaW5hbCBtYWlsIGRvZXNuJ3Qgc2VlbSB0byBoYXZlCm1hZGUgaXQgaW50byBteSBpbmJv eCkKCkkndmUgc2FpZCBzbyB0byBTZXJnZXkgYWxyZWFkeSBvbiB2MTogVGhlICJmaXgiIHlvdSB3 YW50IG5lZWRzIHRvCmJlIGF0IG9yIGNsb3NlciB0byB0aGUgcHJlc2VudGF0aW9uIGxheWVyLiBG cm9tIFhlbidzIHBlcnNwZWN0aXZlCnRoZSByZXF1ZXN0IGZvciBpbmZvcm1hdGlvbiB3YXMgX2lu ZGVlZF8gZGVuaWVkLgoKPj4gVGhlIHJlYXNvbiBmb3IgdGhpcyAod2hpY2ggb3VnaHQgdG8gYmUg b2J2aW91cywgYnV0IEkgZ3Vlc3Mgb25seSB0bwo+PiB0aG9zZSB3aG8gYWN0dWFsbHkgZG8gY3Vz dG9tZXIgc3VwcG9ydCkgaXMgYmFzaWMgaHVtYW4gcGh5c2lvbG9neS7CoAo+PiAiZGVuaWVkIiBt ZWFucyBzb21ldGhpbmcgaGFzIGdvbmUgd3JvbmcuwqAgSXQgc2NhcmVzIHBlb3BsZSwgYW5kIGNh dXNlcwo+PiB0aGVtIHRvIHNlZWsgaGVscCB0byBjaGFuZ2UgZml4IHdoYXRldmVyIGlzIGJyb2tl bi4KPiAKPiBUaGlzIHNlZW1zIGxpa2UgYSByZWFzb25hYmxlIGFyZ3VtZW50IHRoYXQgIjxkZW5p ZWQ+IiBjYXVzZXMgaXNzdWVzLgo+IEJ1dCB0aGF0IGRvZXNuJ3QgY2hhbmdlIHRoZSBmYWN0IHRo YXQgIiIgYWxzbyBjYXVzZXMgaXNzdWVzLgo+IAo+IFdoYXQgYWJvdXQgY2hhbmdpbmcgdGhlIHN0 cmluZyB0byAiPGJ1aWxkLWlkIGhpZGRlbj4iIG9yIHNvbWV0aGluZyBsaWtlCj4gdGhhdD8gIFRo YXQgbWFrZXMgaXQgbW9yZSBjbGVhciB3aGF0IHdvdWxkIGhhdmUgYmVlbiBpbiB0aGF0IHBsYWNl LCBhbmQKPiAiaGlkZGVuIiBpcyBhIGxvdCBsZXNzIHNjYXJ5IHRoYW4gImRlbmllZCIuCgpJIGNv dWxkIGxpdmUgd2l0aCB0aGlzLiBCdXQgKGp1ZGdpbmcgZnJvbSB0aGUgcGljdHVyZSB0aGF0IHdh cwpwcm92aWRlZCBlYXJsaWVyIG9uKSBpdCB3b3VsZCBzdGlsbCByZXF1aXJlIGZpbHRlcmluZyBh dCBvciBjbG9zZQp0byB0aGUgcHJlc2VudGF0aW9uIGxheWVyLCBhbmQgYnkgY2hhbmdpbmcgdGhl IHByaW9yIDxkZW5pZWQ+IHRvCmRpZmZlcmVudCBhbmQgdmFyeWluZyBzdHJpbmdzIG1heSBtYWtl IHRoYXQgam9iIGhhcmRlciAoYWxiZWl0CnBlcmhhcHMgdGhleSBjb3VsZCBsb29rIGZvciBhbnkg PC4uLj4pLgoKSmFuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9y ZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs