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(parent: 504f7a4) | patch
x86, pat: Add PAT reserve free to io_mapping* APIs
authorVenkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Fri, 10 Jul 2009 16:57:35 +0000 (09:57 -0700)
committerH. Peter Anvin <hpa@zytor.com>
Wed, 26 Aug 2009 22:41:16 +0000 (15:41 -0700)
commit50faf6d849c94fdc96e4cd65a3a9a48a5fd2e049
treea1a50780b15cf59de22ee4ee87fee6e488a310d3tree | snapshot
parent504f7a4f7bdcabc6260e04f84aa641f15e908ee4commit | diff
x86, pat: Add PAT reserve free to io_mapping* APIs

io_mapping_* interfaces were added, mainly for graphics drivers.
Make this interface go through the PAT reserve/free, instead of
hardcoding WC mapping. This makes sure that there are no
aliases due to unconditional WC setting.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
arch/x86/include/asm/iomap.h diff | blob | history
arch/x86/mm/iomap_32.c diff | blob | history
include/linux/io-mapping.h diff | blob | history
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