Messages in this thread | | | Date | Thu, 23 May 2013 15:46:36 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] x86/PCI: setup data may be in highmem |
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On 05/22/2013 02:43 AM, Matt Fleming wrote: > From: Matt Fleming <matt.fleming@intel.com> > > 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?
-hpa
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