| To: | Ralf Baechle <ralf@linux-mips.org>, mipslist <linux-mips@linux-mips.org> |
|---|---|
| Subject: | [PATCH]: c-r4k.c 2/7 micro prid optimization |
| From: | Juan Quintela <quintela@mandrakesoft.com> |
| Date: | Fri, 28 Mar 2003 01:52:04 +0100 |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| Sender: | linux-mips-bounce@linux-mips.org |
Hi
prid is only used during init.
Later, Juan.
build/arch/mips/mm/c-r4k.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
diff -puN build/arch/mips/mm/c-r4k.c~c-r4k_move_prid_call
build/arch/mips/mm/c-r4k.c
--- 24/build/arch/mips/mm/c-r4k.c~c-r4k_move_prid_call 2003-03-27
15:40:38.000000000 +0100
+++ 24-quintela/build/arch/mips/mm/c-r4k.c 2003-03-27 15:41:06.000000000
+0100
@@ -45,7 +45,7 @@ static unsigned long scache_size, sc_lsi
static void r4k_blast_dcache_page(unsigned long addr)
{
- unsigned int prid = read_c0_prid() & 0xfff0;
+ unsigned int prid;
static void *l = &&init;
goto *l;
@@ -74,6 +74,7 @@ dc_32_r4600:
}
init:
+ prid = read_c0_prid() & 0xfff0;
if (prid == 0x2010) /* R4600 V1.7 */
l = &&dc_32_r4600;
else if (dc_lsize == 16)
_
--
In theory, practice and theory are the same, but in practice they
are different -- Larry McVoy
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