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

From: H. Peter Anvin
Date: Thu May 23 2013 - 18:47:06 EST

On 05/22/2013 02:43 AM, 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,

Bjorn: yours or mine?


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