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author | David S. Miller <davem@davemloft.net> | 2006-02-01 03:33:25 +0100 |
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committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-20 10:11:24 +0100 |
commit | 3487d1d4414fbfab5d98ec559e6f84f55520cb15 (patch) | |
tree | b85ac7e9d8c07bd3c8a9d314d650b04cdf1ccc96 /arch/sparc64/kernel | |
parent | [SPARC64]: Use sparc64_highest_unlocked_tlb_ent in __tsb_context_switch() (diff) | |
download | linux-3487d1d4414fbfab5d98ec559e6f84f55520cb15.tar.xz linux-3487d1d4414fbfab5d98ec559e6f84f55520cb15.zip |
[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')
-rw-r--r-- | arch/sparc64/kernel/smp.c | 4 | ||||
-rw-r--r-- | arch/sparc64/kernel/tsb.S | 7 |
2 files changed, 0 insertions, 11 deletions
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index d030c311cfee..0e7552546d36 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -116,14 +116,10 @@ static void smp_setup_percpu_timer(void); static volatile unsigned long callin_flag = 0; -extern void inherit_locked_prom_mappings(int save_p); - void __init smp_callin(void) { int cpuid = hard_smp_processor_id(); - inherit_locked_prom_mappings(0); - __local_per_cpu_offset = __per_cpu_offset(cpuid); __flush_tlb_all(); 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: brz %o2, 9f nop - /* We use entry 61 for this locked entry. This is the spitfire - * TLB entry number, and luckily cheetah masks the value with - * 15 ending us up with entry 13 which is what we want in that - * case too. - * - * XXX Interactions with prom_world()... - */ sethi %hi(sparc64_highest_unlocked_tlb_ent), %o4 mov TLB_TAG_ACCESS, %g1 lduw [%o4 + %lo(sparc64_highest_unlocked_tlb_ent)], %g2 |