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| author | Kumar Gala <galak@kernel.crashing.org> | 2008-01-28 22:23:42 +0300 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2008-01-28 22:23:42 +0300 |
| commit | a6f71745969d495d697d1ccd96385d2f7a963375 (patch) | |
| tree | 959cb508e73e4b1757a1fdb8378c28a798564433 | |
| parent | 3b29daded680733a37ed6618e165e86df45d89ab (diff) | |
| download | linux-a6f71745969d495d697d1ccd96385d2f7a963375.tar.xz | |
[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>
| -rw-r--r-- | 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 be09f0d2d90b..5c2e253ddfb1 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 |