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| author | Chris Metcalf <cmetcalf@tilera.com> | 2013-08-06 14:32:49 -0400 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2013-08-12 14:46:47 -0400 |
| commit | b63ea7121c60b38f2d0ca0f270697bc542f6b76c (patch) | |
| tree | 6af8fa61c23bbd447451cfbc9dc4a8efe18156fd | |
| parent | 77f8c740d1a4947afb7493e7aafdd977e6d7939c (diff) | |
| download | linux-b63ea7121c60b38f2d0ca0f270697bc542f6b76c.tar.bz2 | |
tile: fix comment bug in sys_cmpxchg description
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
| -rw-r--r-- | arch/tile/kernel/intvec_32.S | 2 |
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) * Because of C pointer arithmetic, we want to compute this: * * ((char*)atomic_locks + - * (((r0 >> 3) & (1 << (ATOMIC_HASH_SIZE - 1))) << 2)) + * (((r0 >> 3) & ((1 << ATOMIC_HASH_SHIFT) - 1)) << 2)) * * Instead of two shifts we just ">> 1", and use 'mm' * to ignore the low and high bits we don't want. |