powerpc: Convert open coded native hashtable bit lock
Now we have real bit locks use them instead of open coding it.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c
index 056d23a..9e1aa4f 100644
--- a/arch/powerpc/mm/hash_native_64.c
+++ b/arch/powerpc/mm/hash_native_64.c
@@ -122,7 +122,7 @@
unsigned long *word = &hptep->v;
while (1) {
- if (!test_and_set_bit(HPTE_LOCK_BIT, word))
+ if (!test_and_set_bit_lock(HPTE_LOCK_BIT, word))
break;
while(test_bit(HPTE_LOCK_BIT, word))
cpu_relax();
@@ -133,8 +133,7 @@
{
unsigned long *word = &hptep->v;
- asm volatile("lwsync":::"memory");
- clear_bit(HPTE_LOCK_BIT, word);
+ clear_bit_unlock(HPTE_LOCK_BIT, word);
}
static long native_hpte_insert(unsigned long hpte_group, unsigned long va,