x86/PCI: never allocate PCI MMIO resources below BIOS_END

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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=15841

Tested-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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Bjorn Helgaas 2010-04-23 17:05:24 -06:00 • committed by Jesse Barnes

parent b91ce4d14a

commit 55051feb57

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arch/x86/pci/i386.c

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