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From: Doug Goldstein <cardoe@cardoe.com>
To: Sergey Dyasli <sergey.dyasli@citrix.com>, xen-devel@lists.xen.org
Cc: Stefano Stabellini <sstabellini@kernel.org>,
	Julien Grall <julien@xen.org>, Wei Liu <wl@xen.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	George Dunlap <George.Dunlap@eu.citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Ian Jackson <ian.jackson@eu.citrix.com>,
	Jan Beulich <jbeulich@suse.com>,
	Daniel De Graaf <dgdegra@tycho.nsa.gov>
Subject: Re: [Xen-devel] [PATCH v2] xsm: hide detailed Xen version from unprivileged guests
Date: Fri, 10 Jan 2020 22:02:04 -0600	[thread overview]
Message-ID: <c698d473-d8f2-7d53-b5f3-0cfefcc617f1@cardoe.com> (raw)
In-Reply-To: <20200110103723.29538-1-sergey.dyasli@citrix.com>



On 1/10/20 4:37 AM, Sergey Dyasli wrote:
> Hide the following information that can help identify the running Xen
> binary version: XENVER_extraversion, XENVER_compile_info, XENVER_changeset.
> Add explicit cases for XENVER_commandline and XENVER_build_id as well.
> 
> Introduce xsm_filter_denied() to hvmloader to remove "<denied>" string
> from guest's DMI tables that otherwise would be shown in tools like
> dmidecode.
> 
> Signed-off-by: Sergey Dyasli <sergey.dyasli@citrix.com>
> ---
> v1 --> v2:
> - Added xsm_filter_denied() to hvmloader instead of modifying xen_deny()

So 100% this version of the patch won't fly with the various downstreams 
that run the v1 of this patch. Those various consumers will stick with v1.

If the goal of this is to reduce the burden of the downstreams and their 
customers to carry a patch against Xen then I wouldn't even bother with 
this version.

--
Doug

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  parent reply	other threads:[~2020-01-11  4:02 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-10 10:37 Sergey Dyasli
2020-01-10 11:02 ` Andrew Cooper
2020-01-10 15:28   ` George Dunlap
2020-01-10 15:56     ` Jan Beulich
2020-01-10 16:45       ` Jürgen Groß
2020-01-10 17:00         ` George Dunlap
2020-01-11  3:55     ` Doug Goldstein
2020-01-11  9:35       ` George Dunlap
2020-01-13 11:01   ` Sergey Dyasli
2020-01-10 11:09 ` Jan Beulich
2020-01-11  4:02 ` Doug Goldstein [this message]
2020-01-11  9:02   ` George Dunlap
2020-01-12 18:26     ` Doug Goldstein
2020-01-13 12:51       ` George Dunlap
2020-01-13 13:39         ` Julien Grall
2020-01-13 14:01           ` Andrew Cooper
2020-01-13 14:07             ` George Dunlap
2020-01-13 14:28               ` Julien Grall
2020-01-13 14:40         ` Andrew Cooper
2020-01-14 10:19           ` Sergey Dyasli
2020-01-13 14:52         ` Julien Grall
2020-01-13 14:01       ` Ian Jackson

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