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authorPaul Mundt <lethal@linux-sh.org>2007-11-28 20:19:38 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-01-28 13:18:58 +0900
commita23ba43573a24c351640bc19c06c701798fe6e25 (patch)
treeb0d1481379ebe4d4345b7358ddffe16cf6d5c6f6 /arch/sh/mm/extable_64.c
parent4b27c47cf8eddb4153a026e89c7b092598c98b12 (diff)
sh: comment tidying for sh64->sh migration.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm/extable_64.c')
-rw-r--r--arch/sh/mm/extable_64.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/arch/sh/mm/extable_64.c b/arch/sh/mm/extable_64.c
index a2e6e056377..f05499688d8 100644
--- a/arch/sh/mm/extable_64.c
+++ b/arch/sh/mm/extable_64.c
@@ -1,14 +1,14 @@
/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * arch/sh64/mm/extable.c
+ * arch/sh/mm/extable_64.c
*
* Copyright (C) 2003 Richard Curnow
* Copyright (C) 2003, 2004 Paul Mundt
*
* Cloned from the 2.5 SH version..
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
*/
#include <linux/rwsem.h>
#include <linux/module.h>
@@ -21,13 +21,16 @@ static const struct exception_table_entry __copy_user_fixup_ex = {
.fixup = (unsigned long)&__copy_user_fixup,
};
-/* Some functions that may trap due to a bad user-mode address have too many loads
- and stores in them to make it at all practical to label each one and put them all in
- the main exception table.
-
- In particular, the fast memcpy routine is like this. It's fix-up is just to fall back
- to a slow byte-at-a-time copy, which is handled the conventional way. So it's functionally
- OK to just handle any trap occurring in the fast memcpy with that fixup. */
+/*
+ * Some functions that may trap due to a bad user-mode address have too
+ * many loads and stores in them to make it at all practical to label
+ * each one and put them all in the main exception table.
+ *
+ * In particular, the fast memcpy routine is like this. It's fix-up is
+ * just to fall back to a slow byte-at-a-time copy, which is handled the
+ * conventional way. So it's functionally OK to just handle any trap
+ * occurring in the fast memcpy with that fixup.
+ */
static const struct exception_table_entry *check_exception_ranges(unsigned long addr)
{
if ((addr >= (unsigned long)&copy_user_memcpy) &&
@@ -77,4 +80,3 @@ int fixup_exception(struct pt_regs *regs)
return 0;
}
-