diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2007-11-05 16:20:42 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2007-11-07 11:14:12 +0900 |
| commit | af39c16bd843ee8bde495c8ccb95a5ca209f3051 (patch) | |
| tree | b318c83125f4fe9c0121a79418e858e165a58402 /arch/sh/mm/clear_page.S | |
| parent | ba1789efea81acc6633f427bfeb871fd608965b5 (diff) | |
sh: Kill off __{copy,clear}_user_page().
Now that copy_to_user_page()/copy_from_user_page() are wired up, we
can drop the old __copy_xxx() implementations. Now that the page
colouring scheme has changed via kmap_coherent(), we can avoid the
flush in these specific helpers.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm/clear_page.S')
| -rw-r--r-- | arch/sh/mm/clear_page.S | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/arch/sh/mm/clear_page.S b/arch/sh/mm/clear_page.S index 8a706131e52..7a7c81ee3f0 100644 --- a/arch/sh/mm/clear_page.S +++ b/arch/sh/mm/clear_page.S @@ -150,48 +150,3 @@ ENTRY(__clear_user) .long 8b, .Lbad_clear_user .long 9b, .Lbad_clear_user .previous - -#if defined(CONFIG_CPU_SH4) -/* - * __clear_user_page - * @to: P3 address (with same color) - * @orig_to: P1 address - * - * void __clear_user_page(void *to, void *orig_to) - */ - -/* - * r0 --- scratch - * r4 --- to - * r5 --- orig_to - * r6 --- to + PAGE_SIZE - */ -ENTRY(__clear_user_page) - mov.l .Lpsz,r0 - mov r4,r6 - add r0,r6 - mov #0,r0 - ! -1: ocbi @r5 - add #32,r5 - movca.l r0,@r4 - mov r4,r1 - add #32,r4 - mov.l r0,@-r4 - mov.l r0,@-r4 - mov.l r0,@-r4 - mov.l r0,@-r4 - mov.l r0,@-r4 - mov.l r0,@-r4 - mov.l r0,@-r4 - add #28,r4 - cmp/eq r6,r4 - bf/s 1b - ocbwb @r1 - ! - rts - nop -.Lpsz: .long PAGE_SIZE - -#endif - |