Re: [Qemu-devel] [PATCH v2] vl.c: disallow command line fw cfg without opt/

[Paolo Bonzini <pbonzini@redhat.com>]

On 17/03/2016 18:17, Gerd Hoffmann wrote:
>   Hi,
> 
>> Alternative: fail on:
>>
>> - a blacklist of etc/* files including etc/system-states,
>> etc/smbios/smbios-tables, etc/smbios/smbios-anchor,
>> etc/reserved-memory-end, etc/pvpanic-port, etc/e820, and possibly
>> etc/boot-menu-wait
> 
> I think that fails already because qemu throws an error on duplicate
> firmware entries.

The problem is that some files are only added conditionally (e.g.
etc/boot-menu-wait).

> Do we really want shuffle around stuff like this?  It means we have to
> support both paths in both firmware and qemu for a quite a while for
> compatibility reasons.
> 
> Also note that most stuff in etc/ is used by all firmwares, so moving
> this to org.seabios looks pointless to me, especially as things might
> change over time (i.e. ovmf starting to use cfg options it used to
> ignore first, which is the case for etc/boot-menu-wait IIRC, so it
> started as seabios only but isn't any more).

Stuff that is used by all firmwares could move to org.coreboot/ or
org.qemu/, but keeping etc/ as a special case is certainly fine by me.

Paolo