Balazs Gerofi ea5681232e x86 Page Attribute Table (PAT) MSR support. ...

Reconfigure PAT to permit write-combining memory type to be assigned
on a page-by-page basis. Changes PWT and PCD bit combinations in page
table entries so that they correspond to the following format:

  PAT
  |PCD
  ||PWT
  |||
  000 WB  Write Back (WB)
  001 WC  Write Combining (WC)
  010 UC- Uncached (UC-)
  011 UC  Uncacheable (UC)

2015-03-05 16:03:20 +09:00

..

x86

x86 Page Attribute Table (PAT) MSR support.

2015-03-05 16:03:20 +09:00