Re: [PATCH] x86/PCI: setup data may be in highmem

From: Bityutskiy, Artem
Date: Sat Jun 08 2013 - 07:14:21 EST

On Sat, 2013-06-08 at 14:15 +0300, Artem Bityutskiy wrote:
> On Wed, 2013-05-22 at 10:43 +0100, Matt Fleming wrote:
> > From: Matt Fleming <matt.fleming@xxxxxxxxx>
> >
> > pcibios_add_device() assumes that the physical addresses stored in
> > setup_data are accessible via the direct kernel mapping, and that
> > calling phys_to_virt() is valid. This isn't guaranteed to be true on x86
> > where the direct mapping range is much smaller than on x86-64.
> >
> > Calling phys_to_virt() on a highmem address results in the following,
> Fixes paging request oops for me as well, thanks! Would you please add a
> -stable tag to this patch?

Oh, pardon, you did CC -stable.

Best Regards,
Artem Bityutskiy
Intel Finland Oy
Registered Address: PL 281, 00181 Helsinki
Business Identity Code: 0357606 - 4
Domiciled in Helsinki

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