From b63ea7121c60b38f2d0ca0f270697bc542f6b76c Mon Sep 17 00:00:00 2001 From: Chris Metcalf Date: Tue, 6 Aug 2013 14:32:49 -0400 Subject: tile: fix comment bug in sys_cmpxchg description Signed-off-by: Chris Metcalf --- arch/tile/kernel/intvec_32.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/tile') diff --git a/arch/tile/kernel/intvec_32.S b/arch/tile/kernel/intvec_32.S index cb52d66..25966af 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. -- cgit v1.1