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authorvenkatesh.pallipadi@intel.com <venkatesh.pallipadi@intel.com>2008-03-18 17:00:15 -0700
committerIngo Molnar <mingo@elte.hu>2008-04-24 23:40:47 +0200
commite045fb2a988a9a1964059b0d33dbaf18d12f925f (patch)
tree61dbd03abd83dcf6d5195fa6463ea96e125784f6 /include/asm-x86/io_32.h
parente2beb3eae627211b67e456c53f946cede2ac10d7 (diff)
x86: PAT avoid aliasing in /dev/mem read/write
Add xlate and unxlate around /dev/mem read/write. This sets up the mapping that can be used for /dev/mem read and write without aliasing worries. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/io_32.h')
-rw-r--r--include/asm-x86/io_32.h6
1 files changed, 0 insertions, 6 deletions
diff --git a/include/asm-x86/io_32.h b/include/asm-x86/io_32.h
index 509045f5fda..6e73467a4fb 100644
--- a/include/asm-x86/io_32.h
+++ b/include/asm-x86/io_32.h
@@ -49,12 +49,6 @@
#include <linux/vmalloc.h>
/*
- * Convert a physical pointer to a virtual kernel pointer for /dev/mem
- * access
- */
-#define xlate_dev_mem_ptr(p) __va(p)
-
-/*
* Convert a virtual cached pointer to an uncached pointer
*/
#define xlate_dev_kmem_ptr(p) p