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authorChris Metcalf <cmetcalf@tilera.com>2013-08-06 14:32:49 -0400
committerChris Metcalf <cmetcalf@tilera.com>2013-08-12 14:46:47 -0400
commitb63ea7121c60b38f2d0ca0f270697bc542f6b76c (patch)
tree6af8fa61c23bbd447451cfbc9dc4a8efe18156fd /arch/tile/kernel
parent77f8c740d1a4947afb7493e7aafdd977e6d7939c (diff)
tile: fix comment bug in sys_cmpxchg description
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Diffstat (limited to 'arch/tile/kernel')
-rw-r--r--arch/tile/kernel/intvec_32.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/tile/kernel/intvec_32.S b/arch/tile/kernel/intvec_32.S
index cb52d66343ed..25966af74a28 100644
--- a/arch/tile/kernel/intvec_32.S
+++ b/arch/tile/kernel/intvec_32.S
@@ -1609,7 +1609,7 @@ ENTRY(sys_cmpxchg)
1609 * Because of C pointer arithmetic, we want to compute this: 1609 * Because of C pointer arithmetic, we want to compute this:
1610 * 1610 *
1611 * ((char*)atomic_locks + 1611 * ((char*)atomic_locks +
1612 * (((r0 >> 3) & (1 << (ATOMIC_HASH_SIZE - 1))) << 2)) 1612 * (((r0 >> 3) & ((1 << ATOMIC_HASH_SHIFT) - 1)) << 2))
1613 * 1613 *
1614 * Instead of two shifts we just ">> 1", and use 'mm' 1614 * Instead of two shifts we just ">> 1", and use 'mm'
1615 * to ignore the low and high bits we don't want. 1615 * to ignore the low and high bits we don't want.