x86/PCI: never allocate PCI MMIO resources below BIOS_END
When we move a PCI device or assign resources to a device not configured by the BIOS, we want to avoid the BIOS region below 1MB. Note that if the BIOS places devices below 1MB, we leave them there. See https://bugzilla.kernel.org/show_bug.cgi?id=15744 and https://bugzilla.kernel.org/show_bug.cgi?id=15841Tested-by: Andy Isaacson <adi@hexapodia.org> Tested-by: Andy Bailey <bailey@akamai.com> Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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