[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>

2 files changed, 0 insertions, 11 deletions

diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index d030c311cf..0e7552546d 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 c1532292a6..c4e7740d5e 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