From 66d99b883419b8df6d0a24ca957da7ab4831cf6e Mon Sep 17 00:00:00 2001 From: Anton Blanchard Date: Wed, 10 Feb 2010 01:03:06 +0000 Subject: 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 Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/mm/hash_native_64.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c index 056d23a1b105..9e1aa4f99fac 100644 --- a/arch/powerpc/mm/hash_native_64.c +++ b/arch/powerpc/mm/hash_native_64.c @@ -122,7 +122,7 @@ static inline void native_lock_hpte(struct hash_pte *hptep) 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 @@ static inline void native_unlock_hpte(struct hash_pte *hptep) { 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, -- cgit v1.2.3