[PATCH] using get/put_user64 apis on 64bit machine

Bharat Bhushan r65777 at freescale.com
Mon Jul 23 20:16:37 EST 2012


On powerpc64 machine get/put_user64() is same as get/put_user() while
on powerpc32 machine get_user64 is different. With this patch we can
use get_user64() and put_user64() on 32 and 64 bit machines.

Signed-off-by: Bharat Bhushan <bharat.bhushan at freescale.com>
---
 arch/powerpc/include/asm/uaccess.h |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index 17bb40c..01743aa 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -114,10 +114,17 @@ struct exception_table_entry {
 #define __put_user(x, ptr) \
 	__put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))
 
+/*
+ * On powerpc64 machine get/put_user64() is same as get/put_user() while
+ * on powerpc32 machine get_user64 is different.
+ */
 #ifndef __powerpc64__
 #define __get_user64(x, ptr) \
 	__get_user64_nocheck((x), (ptr), sizeof(*(ptr)))
 #define __put_user64(x, ptr) __put_user(x, ptr)
+#else
+#define __get_user64(x, ptr) __get_user(x, ptr) 
+#define __put_user64(x, ptr) __put_user(x, ptr)
 #endif
 
 #define __get_user_inatomic(x, ptr) \
-- 
1.7.0.4




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