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authorJohn Williams <john.williams@petalogix.com>2009-03-24 11:10:00 +1000
committerMichal Simek <monstr@monstr.eu>2009-06-02 08:39:16 +0200
commit3447ef29a7f3b1fd0d8d58376950e695e04f6f8b (patch)
treef3e789ce7917817d99329d9ade3207da42265b39
parentmicroblaze: remove unused flat_stack_align() definition (diff)
downloadlinux-dev-3447ef29a7f3b1fd0d8d58376950e695e04f6f8b.tar.xz
linux-dev-3447ef29a7f3b1fd0d8d58376950e695e04f6f8b.zip
microblaze: Don't use access_ok for unaligned
it assumes we have an unaligned exception handler which (a) may not be true (b) costs a lot of performance Instead we'll use struct/union method for big endian accesses, and byte-shifting for little endian. Signed-off-by: John Williams <john.williams@petalogix.com>
-rw-r--r--arch/microblaze/include/asm/unaligned.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/microblaze/include/asm/unaligned.h b/arch/microblaze/include/asm/unaligned.h
index 9d66b640c910..3658d91ac0fb 100644
--- a/arch/microblaze/include/asm/unaligned.h
+++ b/arch/microblaze/include/asm/unaligned.h
@@ -12,7 +12,8 @@
# ifdef __KERNEL__
-# include <linux/unaligned/access_ok.h>
+# include <linux/unaligned/be_struct.h>
+# include <linux/unaligned/le_byteshift.h>
# include <linux/unaligned/generic.h>
# define get_unaligned __get_unaligned_be