[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>
diff --git a/arch/sparc64/kernel/tsb.S b/arch/sparc64/kernel/tsb.S
index 08405ed..c153229 100644
--- a/arch/sparc64/kernel/tsb.S
+++ b/arch/sparc64/kernel/tsb.S
@@ -185,12 +185,14 @@
*
* 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