This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


Re: [Xen-devel] [PATCH 5/12] VTPM mini-os: mfn_is_ram check disable

To: Matthew Fioravante <matthew.fioravante@xxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH 5/12] VTPM mini-os: mfn_is_ram check disable
From: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
Date: Sat, 12 Mar 2011 01:31:57 +0100
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Fri, 11 Mar 2011 17:42:29 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <4D7AA6A0.8060200@xxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Mail-followup-to: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>, Matthew Fioravante <matthew.fioravante@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
References: <4D7AA6A0.8060200@xxxxxxxxxx>
Resent-date: Sat, 12 Mar 2011 02:39:48 +0100
Resent-from: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
Resent-message-id: <20110312013948.GK4922@xxxxxxxxxxxxxxxxxxxxxxxxx>
Resent-to: xen-devel@xxxxxxxxxxxxxxxxxxx
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.12-2006-07-14
Matthew Fioravante, le Fri 11 Mar 2011 17:48:00 -0500, a écrit :
> Currently when mapping io memory regions into a mini-os domain a check 
> is performed to make sure the memory region really is io memory. While 
> this is a good idea in practice, the code doing the check fails if you 
> have over 4GB since there may be system memory mapped after the io 
> memory mappings.
> This patch disables the check and turns it into a stub. It is required 
> for tpm passthrough to the vtpm manager domain.
> Signed off by: Matthew Fioravante <matthew.fioravante@xxxxxxxxxx>

Acked-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>

Xen-devel mailing list

<Prev in Thread] Current Thread [Next in Thread>