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sh: comment tidying for sh64->sh migration.

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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2007-11-28 20:19:38 +09:00
parent 4b27c47cf8
commit a23ba43573
30 changed files with 150 additions and 190 deletions
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15
arch/sh/mm/cache-sh5.c
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@@ -1,18 +1,15 @@
/*
* 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/cache.c
* arch/sh/mm/cache-sh5.c
*
* Original version Copyright (C) 2000, 2001 Paolo Alberelli
* Second version Copyright (C) benedict.gaster@superh.com 2002
* Third version Copyright Richard.Curnow@superh.com 2003
* Hacks to third version Copyright (C) 2003 Paul Mundt
*
* 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/init.h>
#include <linux/mman.h>
#include <linux/mm.h>
@@ -146,7 +143,7 @@ int __init sh64_cache_init(void)
/* The following group of functions deal with mapping and unmapping a temporary
page into the DTLB slot that have been set aside for our exclusive use. */
/* In order to accomplish this, we use the generic interface for adding and
removing a wired slot entry as defined in arch/sh64/mm/tlb.c */
removing a wired slot entry as defined in arch/sh/mm/tlb-sh5.c */
/****************************************************************************/
static unsigned long slot_own_flags;

28
arch/sh/mm/extable_64.c
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@@ -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;
}

4
arch/sh/mm/tlb-sh5.c
View File

@@ -1,5 +1,5 @@
/*
* arch/sh64/mm/tlb.c
* arch/sh/mm/tlb-sh5.c
*
* Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org>
* Copyright (C) 2003 Richard Curnow <richard.curnow@superh.com>
@@ -7,7 +7,6 @@
* 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/mm.h>
#include <linux/init.h>
@@ -163,4 +162,3 @@ inline void sh64_setup_tlb_slot(unsigned long long config_addr,
*/
inline void sh64_teardown_tlb_slot(unsigned long long config_addr)
__attribute__ ((alias("__flush_tlb_slot")));