summaryrefslogtreecommitdiffstats
path: root/drivers/char/mem.c
diff options
context:
space:
mode:
authorAl Viro <viro@ftp.linux.org.uk>2007-10-29 04:31:16 +0000
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-29 07:41:32 -0700
commitca5cd877ae699e758e6f26efc11b01bf6631d427 (patch)
treef2337ce76ab006d9705b10e8e0ed2f62487c837f /drivers/char/mem.c
parent2a397e82c7db18019e408f953dd58dc1963a328c (diff)
downloadop-kernel-dev-ca5cd877ae699e758e6f26efc11b01bf6631d427.zip
op-kernel-dev-ca5cd877ae699e758e6f26efc11b01bf6631d427.tar.gz
x86 merge fallout: uml
Don't undef __i386__/__x86_64__ in uml anymore, make sure that (few) places that required adjusting the ifdefs got those. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/mem.c')
-rw-r--r--drivers/char/mem.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 0e937f6..20070b7 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
OpenPOWER on IntegriCloud