diff options
| author | Anton Blanchard <anton@samba.org> | 2010-02-10 01:03:06 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-02-17 14:03:15 +1100 |
| commit | 66d99b883419b8df6d0a24ca957da7ab4831cf6e (patch) | |
| tree | 78950f0267b698314487fa6c514481d811e6da0c /arch/powerpc/mm | |
| parent | 864b9e6fd76489aab422bac62162f57c52e06ed8 (diff) | |
| download | op-kernel-dev-66d99b883419b8df6d0a24ca957da7ab4831cf6e.zip op-kernel-dev-66d99b883419b8df6d0a24ca957da7ab4831cf6e.tar.gz | |
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>
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/hash_native_64.c | 5 |
1 files changed, 2 insertions, 3 deletions
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 @@ 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, |
