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authorBjorn Helgaas <bjorn.helgaas@hp.com>2007-03-30 12:34:44 -0400
committerTony Luck <tony.luck@intel.com>2007-03-30 12:38:03 -0400
commit2cb22e23a5fcbcac2de49493aa57c7694028a06a (patch)
tree0e72dd6b1d9fd6457f1e4e2f325a65ec4173e6d6 /arch/ia64/kernel/efi.c
parent9b50ffb0c0281bc5a08ccd56ae9bb84296c28f38 (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>
Diffstat (limited to 'arch/ia64/kernel/efi.c')
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