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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>
hifive-unleashed-5.1
Darren Hart 2009-03-12 15:11:18 -07:00 committed by Ingo Molnar
parent e4dc5b7a36
commit f061d35150
1 changed files with 2 additions and 8 deletions
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10
kernel/futex.c
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@ -658,14 +658,8 @@ double_lock_hb(struct futex_hash_bucket *hb1, struct futex_hash_bucket *hb2)
static inline void
double_unlock_hb(struct futex_hash_bucket *hb1, struct futex_hash_bucket *hb2)
{
if (hb1 <= hb2) {
spin_unlock(&hb2->lock);
if (hb1 < hb2)
spin_unlock(&hb1->lock);
} else { /* hb1 > hb2 */
spin_unlock(&hb1->lock);
spin_unlock(&hb2->lock);
}
spin_unlock(&hb1->lock);
spin_unlock(&hb2->lock);
}
/*