linux-kernel - RE: [PATCH 2/3] X86: Add a check to catch Xen emulation of Hyper-V

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <516EC54A02000078000CE2AE@nat28.tlf.novell.com>
Date:	Wed, 17 Apr 2013 14:52:42 +0100
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"KY Srinivasan" <kys@...rosoft.com>,
	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	"olaf@...fle.de" <olaf@...fle.de>, "bp@...en8.de" <bp@...en8.de>,
	"apw@...onical.com" <apw@...onical.com>,
	"x86@...nel.org" <x86@...nel.org>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"jasowang@...hat.com" <jasowang@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"hpa@...or.com" <hpa@...or.com>
Subject: RE: [PATCH 2/3] X86: Add a check to catch Xen emulation of
 Hyper-V

>>> On 17.04.13 at 15:20, KY Srinivasan <kys@...rosoft.com> wrote:
> If I recall correctly, the issue here was that Xen was enabling Hyper-V 
> emulation un-conditionally even for Linux guests.

To make this a little more precise - Xen is doing so only when the
guest config tells it to.

Jan

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/