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authorDarren Hart <dvhltc@us.ibm.com>2009-03-12 18:11:18 -0400
committerIngo Molnar <mingo@elte.hu>2009-03-12 20:15:46 -0400
commitf061d35150003b7fd5b133d14d66a74500fdaa60 (patch)
tree4181a2a13841804ed6ccb4345d2b340eeba941a2 /kernel/futex.c
parente4dc5b7a36a49eff97050894cf1b3a9a02523717 (diff)
futex: remove the pointer math from double_unlock_hb
Impact: simplify code I mistakenly included the pointer value ordering in the double_unlock_hb() in my previous patch. It's only necessary in the double_lock_hb() function. This patch removes it. Signed-off-by: Darren Hart <dvhltc@us.ibm.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Rusty Russell <rusty@rustcorp.com.au> LKML-Reference: <20090312221118.11146.68610.stgit@Aeon> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/futex.c')
-rw-r--r--kernel/futex.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/kernel/futex.c b/kernel/futex.c
index 9c97f67d298e..2331b73f6932 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -658,14 +658,8 @@ double_lock_hb(struct futex_hash_bucket *hb1, struct futex_hash_bucket *hb2)
658static inline void 658static inline void
659double_unlock_hb(struct futex_hash_bucket *hb1, struct futex_hash_bucket *hb2) 659double_unlock_hb(struct futex_hash_bucket *hb1, struct futex_hash_bucket *hb2)
660{ 660{
661 if (hb1 <= hb2) { 661 spin_unlock(&hb1->lock);
662 spin_unlock(&hb2->lock); 662 spin_unlock(&hb2->lock);
663 if (hb1 < hb2)
664 spin_unlock(&hb1->lock);
665 } else { /* hb1 > hb2 */
666 spin_unlock(&hb1->lock);
667 spin_unlock(&hb2->lock);
668 }
669} 663}
670 664
671/* 665/*