| commit | cef4d02305a06be581bb7f4353446717a1b319ec | [log] [tgz] |
|---|---|---|
| author | David Woodhouse <dwmw@amazon.co.uk> | Wed Apr 12 13:25:52 2017 +0100 |
| committer | Bjorn Helgaas <bhelgaas@google.com> | Tue Apr 18 13:00:49 2017 -0500 |
| tree | c806c699401ede0d5ca0894d33f84bac80e7e99e | |
| parent | 17caf56731311c9596e7d38a70c88fcb6afa6a1b [diff] |
PCI: Only allow WC mmap on prefetchable resources 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> Cc: stable@vger.kernel.org