parisc: Update comment regarding relative extable support

Update the comment to reflect the changes of commit 0de7985 (parisc: Use
generic extable search and sort routines).

Signed-off-by: Helge Deller <deller@gmx.de>

diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
index 6f893d29f1b21625aadc4464d06ffba30b7697f3..7955e43f3f3f27558da65b100b9c3f64ebe26b02 100644 (file)
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -44,20 +44,18 @@ static inline long access_ok(int type, const void __user * addr,
 #define LDD_USER(ptr)          BUILD_BUG()
 #define STD_KERNEL(x, ptr)     __put_kernel_asm64(x, ptr)
 #define STD_USER(x, ptr)       __put_user_asm64(x, ptr)
-#define ASM_WORD_INSN          ".word\t"
 #else
 #define LDD_KERNEL(ptr)                __get_kernel_asm("ldd", ptr)
 #define LDD_USER(ptr)          __get_user_asm("ldd", ptr)
 #define STD_KERNEL(x, ptr)     __put_kernel_asm("std", x, ptr)
 #define STD_USER(x, ptr)       __put_user_asm("std", x, ptr)
-#define ASM_WORD_INSN          ".dword\t"
 #endif
 
 /*
- * The exception table contains two values: the first is an address
- * for an instruction that is allowed to fault, and the second is
- * the address to the fixup routine. Even on a 64bit kernel we could
- * use a 32bit (unsigned int) address here.
+ * The exception table contains two values: the first is the relative offset to
+ * the address of the instruction that is allowed to fault, and the second is
+ * the relative offset to the address of the fixup routine. Since relative
+ * addresses are used, 32bit values are sufficient even on 64bit kernel.
  */
 
 #define ARCH_HAS_RELATIVE_EXTABLE