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(parent: 9b50ffb) | patch
[IA64] allow WB /sys/.../legacy_mem mmaps
authorBjorn Helgaas <bjorn.helgaas@hp.com>
Fri, 30 Mar 2007 16:34:44 +0000 (10:34 -0600)
committerTony Luck <tony.luck@intel.com>
Fri, 30 Mar 2007 16:38:03 +0000 (09:38 -0700)
commit2cb22e23a5fcbcac2de49493aa57c7694028a06a
tree0e72dd6b1d9fd6457f1e4e2f325a65ec4173e6d6tree | snapshot
parent9b50ffb0c0281bc5a08ccd56ae9bb84296c28f38commit | diff
[IA64] allow WB /sys/.../legacy_mem mmaps

Allow cacheable mmaps of legacy_mem if WB access is supported for the region.
The "legacy_mem" file often contains a shadow option ROM, and some versions of
X depend on this.

Tim Yamin <plasm@roo.me.uk> reported that this change fixes X on a Dell
PowerEdge 3250.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
arch/ia64/pci/pci.c diff | blob | history
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