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linux/drivers/pci/proc.c
David Woodhouse 0a70edd37b PCI: Only allow WC mmap on prefetchable resources 
commit cef4d02305 upstream.

The /proc/bus/pci mmap interface allows the user to specify whether they
want WC or not.  Don't let them do so on non-prefetchable BARs.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
2017-08-26 02:14:34 +01:00

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9.4 KiB
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