From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Jan Beulich <jbeulich@suse.com>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Cc: "Wei Liu" <wl@xen.org>, "Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [Xen-devel] [PATCH v3] x86: explicitly disallow guest access to PPIN
Date: Fri, 20 Dec 2019 14:37:16 +0000 [thread overview]
Message-ID: <84aaa305-bd21-12d2-27c9-e2b1e0e2f4c3@citrix.com> (raw)
In-Reply-To: <05cc35aa-ebb0-1316-bbcc-790533f21b25@suse.com>
On 20/12/2019 14:25, Jan Beulich wrote:
> To fulfill the "protected" in its name, don't let the real hardware
> values leak. While we could report a control register value expressing
> this (which I would have preferred), unconditionally raise #GP for all
> accesses (in the interest of getting this done).
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
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prev parent reply other threads:[~2019-12-20 14:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-20 14:25 [Xen-devel] [PATCH v3] x86: explicitly disallow guest access to PPIN Jan Beulich
2019-12-20 14:37 ` Andrew Cooper [this message]
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