linux-kernel - Re: Use PCI ROMs from EFI boot services

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Date:	Wed, 5 Dec 2012 15:21:35 -0700
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-efi@...r.kernel.org, dwmw2@...radead.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Seth Forshee <seth.forshee@...onical.com>
Subject: Re: Use PCI ROMs from EFI boot services

On Wed, Dec 5, 2012 at 1:22 PM, Matthew Garrett <mjg59@...f.ucam.org> wrote:
> On Wed, Dec 05, 2012 at 01:09:25PM -0700, Bjorn Helgaas wrote:
>
>> That's right; nobody stepped up to fix the section mismatch.  I'm
>> happy to fold in your fix, especially if Matthew acks it.
>
> Yes, sorry, I've been way behind on pretty much everything for the past
> few months. Please do add my Ack.
>
>> 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.
>
> I think I'd agree here - it's not ideal, but it's no more broken than
> the current situation.

OK, I applied Seth's fix, added his Tested-by, and put this series in
my -next branch.  I plan to merge it during the v3.8 merge window next
week.

Thanks!

Bjorn
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