6 files changed, 9 insertions, 9 deletions
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 0e937f64a78..20070b7c573 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -41,7 +41,7 @@
  */
 static inline int uncached_access(struct file *file, unsigned long addr)
 {
-#if defined(__i386__)
+#if defined(__i386__) && !defined(__arch_um__)
 	/*
 	 * On the PPro and successors, the MTRRs are used to set
 	 * memory types for physical addresses outside main memory,
@@ -57,7 +57,7 @@ static inline int uncached_access(struct file *file, unsigned long addr)
 		  test_bit(X86_FEATURE_CYRIX_ARR, boot_cpu_data.x86_capability) ||
 		  test_bit(X86_FEATURE_CENTAUR_MCR, boot_cpu_data.x86_capability) )
 	  && addr >= __pa(high_memory);
-#elif defined(__x86_64__)
+#elif defined(__x86_64__) && !defined(__arch_um__)
 	/* 
 	 * This is broken because it can generate memory type aliases,
 	 * which can cause cache corruptions
diff --git a/drivers/md/raid6algos.c b/drivers/md/raid6algos.c
index 92657615657..77a6e4bf503 100644
--- a/drivers/md/raid6algos.c
+++ b/drivers/md/raid6algos.c
@@ -52,7 +52,7 @@ const struct raid6_calls * const raid6_algos[] = {
 	&raid6_intx16,
 	&raid6_intx32,
 #endif
-#if defined(__i386__)
+#if defined(__i386__) && !defined(__arch_um__)
 	&raid6_mmxx1,
 	&raid6_mmxx2,
 	&raid6_sse1x1,
@@ -60,7 +60,7 @@ const struct raid6_calls * const raid6_algos[] = {
 	&raid6_sse2x1,
 	&raid6_sse2x2,
 #endif
-#if defined(__x86_64__)
+#if defined(__x86_64__) && !defined(__arch_um__)
 	&raid6_sse2x1,
 	&raid6_sse2x2,
 	&raid6_sse2x4,
diff --git a/drivers/md/raid6mmx.c b/drivers/md/raid6mmx.c
index 6181a5a3365..d4e4a1bd70a 100644
--- a/drivers/md/raid6mmx.c
+++ b/drivers/md/raid6mmx.c
@@ -16,7 +16,7 @@
  * MMX implementation of RAID-6 syndrome functions
  */
 
-#if defined(__i386__)
+#if defined(__i386__) && !defined(__arch_um__)
 
 #include "raid6.h"
 #include "raid6x86.h"
diff --git a/drivers/md/raid6sse1.c b/drivers/md/raid6sse1.c
index f0a1ba8f40b..0666237276f 100644
--- a/drivers/md/raid6sse1.c
+++ b/drivers/md/raid6sse1.c
@@ -21,7 +21,7 @@
  * worthwhile as a separate implementation.
  */
 
-#if defined(__i386__)
+#if defined(__i386__) && !defined(__arch_um__)
 
 #include "raid6.h"
 #include "raid6x86.h"
diff --git a/drivers/md/raid6sse2.c b/drivers/md/raid6sse2.c
index 0f019762a7c..b034ad86803 100644
--- a/drivers/md/raid6sse2.c
+++ b/drivers/md/raid6sse2.c
@@ -17,7 +17,7 @@
  *
  */
 
-#if defined(__i386__) || defined(__x86_64__)
+#if (defined(__i386__) || defined(__x86_64__)) && !defined(__arch_um__)
 
 #include "raid6.h"
 #include "raid6x86.h"
@@ -161,7 +161,7 @@ const struct raid6_calls raid6_sse2x2 = {
 
 #endif
 
-#ifdef __x86_64__
+#if defined(__x86_64__) && !defined(__arch_um__)
 
 /*
  * Unrolled-by-4 SSE2 implementation
diff --git a/drivers/md/raid6x86.h b/drivers/md/raid6x86.h
index 9111950414f..99fea7a70ca 100644
--- a/drivers/md/raid6x86.h
+++ b/drivers/md/raid6x86.h
@@ -19,7 +19,7 @@
 #ifndef LINUX_RAID_RAID6X86_H
 #define LINUX_RAID_RAID6X86_H
 
-#if defined(__i386__) || defined(__x86_64__)
+#if (defined(__i386__) || defined(__x86_64__)) && !defined(__arch_um__)
 
 #ifdef __KERNEL__ /* Real code */