diff options
| author | David S. Miller <davem@davemloft.net> | 2006-01-31 18:33:12 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-20 01:11:23 -0800 |
| commit | 6b6d017235acad3ee1681140795593723bb9b9df (patch) | |
| tree | 5c7f279d483c3d270b6ef3f158239e4d38785a14 /arch/sparc64/kernel/tsb.S | |
| parent | 4da808c352c290d3f762933d44d4ab90c2fd65f3 (diff) | |
[SPARC64]: Use sparc64_highest_unlocked_tlb_ent in __tsb_context_switch()
Instead of ugly hard-coded value.
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 | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/arch/sparc64/kernel/tsb.S b/arch/sparc64/kernel/tsb.S index 08405ed69288..c1532292a625 100644 --- a/arch/sparc64/kernel/tsb.S +++ b/arch/sparc64/kernel/tsb.S @@ -185,12 +185,14 @@ __tsb_context_switch: * * XXX Interactions with prom_world()... */ - mov TLB_TAG_ACCESS, %g1 - stxa %o2, [%g1] ASI_DMMU - membar #Sync - mov (61 << 3), %g1 - stxa %o3, [%g1] ASI_DTLB_DATA_ACCESS - membar #Sync + sethi %hi(sparc64_highest_unlocked_tlb_ent), %o4 + mov TLB_TAG_ACCESS, %g1 + lduw [%o4 + %lo(sparc64_highest_unlocked_tlb_ent)], %g2 + stxa %o2, [%g1] ASI_DMMU + membar #Sync + sllx %g2, 3, %g2 + stxa %o3, [%g2] ASI_DTLB_DATA_ACCESS + membar #Sync 9: wrpr %o5, %pstate |