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SubjectRe: Use PCI ROMs from EFI boot services
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On Wed, 2012-12-05 at 13:09 -0700, Bjorn Helgaas wrote:
>
> David, Eric, what about the kexec question? It looks to me like this
> wouldn't make things worse than they are today. If I understand
> correctly, today we don't use ROM data from EFI on either an initial
> boot or a kexec. After this patch, we could use EFI ROM data on the
> initial boot, but not after a kexec. So it's worse in the sense that
> the kexec case doesn't match the initial boot, but at least it's not
> something that used to work and is now broken.

Yeah, kexec under EFI doesn't work too well. I have a firmware running
in qemu locally which will let you call SetVirtualAddressMap more than
once, which is a step towards fixing it sanely. It got preempted, but
I'll take another look at it shortly.

--
David Woodhouse Open Source Technology Centre
David.Woodhouse@intel.com Intel Corporation



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