Re: [Xen-devel] feature suggestion: DMAR table emulation for Xen

[Joanna Rutkowska <joanna@xxxxxxxxxxxxxxxxxxxxxx>]

On 05/14/2010 11:41 AM, Barde Kaushik 00901718 wrote:
> << So, if we took a DMAR from a platform, say PM45+ICH9M w/ Intel
> BIOS, it should also work fine on any other laptop with this chipset
> (and probably other variants too), just minus the potential 
> BIOS-specific-dirty-tricks...?
>>> 
> 
> Bringing-up mobile variants with same base BIOS may not work, at
> least in my experience, as OEMs tend to add various custom features
> (GPIO). These features may to over-ride RMRR assumptions from base
> BIOS. This tends to be the most prominant cause behind RMRR issues.
> 
And what would happen if we ignore RMRRs on such a system?

j.

Attachment: signature.asc
Description: OpenPGP digital signature

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