WARNING - OLD ARCHIVES

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/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] Re: [PATCH 4/5] xen: Fix the memory registration to refl

To: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Re: [PATCH 4/5] xen: Fix the memory registration to reflect of what is done by Xen.
From: Anthony PERARD <anthony.perard@xxxxxxxxxx>
Date: Mon, 18 Jul 2011 16:29:02 +0100
Cc: Anthony PERARD <anthony.perard@xxxxxxxxxx>, Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Alexander Graf <agraf@xxxxxxx>, QEMU-devel <qemu-devel@xxxxxxxxxx>
Delivery-date: Mon, 18 Jul 2011 08:30:14 -0700
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:cc:content-type; bh=ZOdcrYDrJ82rqBc5WJ71zXmLOoegyrHZzCbMP7fW7yM=; b=pqfIM8RHF1D8Q2001VccArK064882NA3SW4BywvkOlNMifJm2RO/rtlPiDT+EZCU8a FkdFTyHbXCVLQqXOorCQJcdP9+thI4YY3ggY6gA9uwORE+E2ZDKaBHd8mw/oKpZgeVCY ULlhItirwXEYQS6LQjuPF/jqOGmmMPR0pMg4k=
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <alpine.DEB.2.00.1107181213380.12963@kaball-desktop>
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>
References: <1310740376-13323-1-git-send-email-anthony.perard@xxxxxxxxxx> <1310740376-13323-5-git-send-email-anthony.perard@xxxxxxxxxx> <alpine.DEB.2.00.1107151757410.12963@kaball-desktop> <CAJJyHjLF=aAXENdBTbyC9YGdYTH8tZ=HOXYAavi65EC=vE8sSw@xxxxxxxxxxxxxx> <alpine.DEB.2.00.1107181213380.12963@kaball-desktop>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
On Mon, Jul 18, 2011 at 12:14, Stefano Stabellini
<stefano.stabellini@xxxxxxxxxxxxx> wrote:
> On Fri, 15 Jul 2011, Anthony PERARD wrote:
>> On Fri, Jul 15, 2011 at 18:05, Stefano Stabellini
>> <stefano.stabellini@xxxxxxxxxxxxx> wrote:
>> > Shouldn't we avoid registering any memory for the whole video ram area?
>> > I mean:
>> >
>> > 0xa0000 - 0x100000
>>
>> No, because SeaBIOS load the Options ROM (VGA Bios, PXE) to the area
>> between 0xc0000 and 0x100000, and this go through QEMU.
>>
>> The area between 0xa0000 and 0xc0000 is registred later by the
>> cirrus_vga bits, as IO.
>
> OK. Can you please expand your comment in the code with the same
> explanation?

Yes, I will do that.

-- 
Anthony PERARD

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

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