diff options
author | David S. Miller <davem@davemloft.net> | 2006-01-31 21:33:25 -0500 |
---|---|---|
committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-20 04:11:24 -0500 |
commit | 3487d1d4414fbfab5d98ec559e6f84f55520cb15 (patch) | |
tree | b85ac7e9d8c07bd3c8a9d314d650b04cdf1ccc96 /arch/sparc64/kernel/tsb.S | |
parent | 6b6d017235acad3ee1681140795593723bb9b9df (diff) |
[SPARC64]: Kill PROM locked TLB entry preservation code.
It is totally unnecessary complexity. After we take over
the trap table, we handle all PROM tlb misses fully.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/tsb.S')
-rw-r--r-- | arch/sparc64/kernel/tsb.S | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/sparc64/kernel/tsb.S b/arch/sparc64/kernel/tsb.S index c1532292a625..c4e7740d5e82 100644 --- a/arch/sparc64/kernel/tsb.S +++ b/arch/sparc64/kernel/tsb.S | |||
@@ -178,13 +178,6 @@ __tsb_context_switch: | |||
178 | brz %o2, 9f | 178 | brz %o2, 9f |
179 | nop | 179 | nop |
180 | 180 | ||
181 | /* We use entry 61 for this locked entry. This is the spitfire | ||
182 | * TLB entry number, and luckily cheetah masks the value with | ||
183 | * 15 ending us up with entry 13 which is what we want in that | ||
184 | * case too. | ||
185 | * | ||
186 | * XXX Interactions with prom_world()... | ||
187 | */ | ||
188 | sethi %hi(sparc64_highest_unlocked_tlb_ent), %o4 | 181 | sethi %hi(sparc64_highest_unlocked_tlb_ent), %o4 |
189 | mov TLB_TAG_ACCESS, %g1 | 182 | mov TLB_TAG_ACCESS, %g1 |
190 | lduw [%o4 + %lo(sparc64_highest_unlocked_tlb_ent)], %g2 | 183 | lduw [%o4 + %lo(sparc64_highest_unlocked_tlb_ent)], %g2 |