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Date: Mon, 14 Dec 2009 22:34:28 +0200
From: "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [Qemu-devel] Re: qdev property bug?
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To: Gerd Hoffmann <kraxel@redhat.com>
Cc: glommer@redhat.com, qemu-devel@nongnu.org, Alexander Graf <agraf@suse.de>, Kevin O'Connor <kevin@koconnor.net>, Sebastian Herbszt <herbszt@gmx.de>

On Mon, Dec 14, 2009 at 09:32:30PM +0100, Gerd Hoffmann wrote:
> On 12/14/09 21:20, Michael S. Tsirkin wrote:
>>> So far, it's not clear to me that anyone has demonstrated how this is
>>> harmful for people that don't want pxe booting.  Assuming we fix the bug
>>> about rom loading, then there's really no impact to users.
>
> Fix (v2) is on the list already.
>
>> PXE booting might have security impact. You do not want to
>> do this if you are on a hostile network.
>
> Option rom loaded doesn't imply pxe boot will be tried.  It only means  
> PXE boot can be selected, either via
>
>   -boot order=[something with 'n' here]
>
> or via
>
>   -boot menu=on + F12 + picking menu entry
>
> By default qemu doesn't try to PXE-boot, even if no other bootable  
> device is available.
>
> cheers,
>   Gerd

I guess so. But then, why are we loading it in BIOS
and wasting memory? Let's only shadow the ROM
when PXE is selected?


-- 
MST