Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a6f717...
Commit: a6f71745969d495d697d1ccd96385d2f7a963375
Parent: 3b29daded680733a37ed6618e165e86df45d89ab
Author: Kumar Gala <galak@kernel.crashing.org>
AuthorDate: Mon Jan 28 13:23:42 2008 -0600
Committer: Kumar Gala <galak@kernel.crashing.org>
CommitDate: Mon Jan 28 13:23:42 2008 -0600
[POWERPC] 85xx: Only invalidate TLB0 and TLB1
All current 85xx/e500 implementations only have two TLB
arrays. We are wasting cycles by invalidating TLB2 and TLB3.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
arch/powerpc/kernel/misc_32.S | 10 ----------
1 files changed, 0 insertions(+), 10 deletions(-)
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index be09f0d..5c2e253 100644
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -275,12 +275,6 @@ _GLOBAL(_tlbia)
/* Invalidate all entries in TLB1 */
li r3, 0x0c
tlbivax 0,3
- /* Invalidate all entries in TLB2 */
- li r3, 0x14
- tlbivax 0,3
- /* Invalidate all entries in TLB3 */
- li r3, 0x1c
- tlbivax 0,3
msync
#ifdef CONFIG_SMP
tlbsync
@@ -375,12 +369,8 @@ _GLOBAL(_tlbie)
#elif defined(CONFIG_FSL_BOOKE)
rlwinm r4, r3, 0, 0, 19
ori r5, r4, 0x08 /* TLBSEL = 1 */
- ori r6, r4, 0x10 /* TLBSEL = 2 */
- ori r7, r4, 0x18 /* TLBSEL = 3 */
tlbivax 0, r4
tlbivax 0, r5
- tlbivax 0, r6
- tlbivax 0, r7
msync
#if defined(CONFIG_SMP)
tlbsync
-
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