[Qemu-devel] Re: [SeaBIOS] [PATCH 0/8] option rom loading overhaul.

[Gleb Natapov]

On Fri, Dec 18, 2009 at 12:01:06PM +0100, Gerd Hoffmann wrote:
> From: Anthony Liguori <address@hidden>
> 
>   Hi,
> 
> Option rom saga continued.  This is the first series I consider ready
> for merging.  Changes:
> 
>   * pci roms: will be loaded via option pci rom bar.
>   * non-pci roms: will be loaded via fw_cfg.
> 
> Note that using the old bochs-bios based pc-bios will stop working
> with this patch series applied.
> 
> The last two patches of this series are *not* intended to be merged,
> they are just for testing convinience.  They carry a new seabios
> binary and the changes needed and turn on bios debug messages in qemu.
> 
> Seabios patches will be posted shortly as separate patch series.
> 
I see that this is merged already, but I have a question. How migration
during ROM loading suppose to work? What will happed if we migrate to newer
qemu with updated vgabios ROM while BIOS is in the middle of loading it on the
source? It seems that destination will have garbled ROM loaded.

--
                        Gleb.