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Commit b63ea712 authored by Chris Metcalf's avatar Chris Metcalf
Browse files

tile: fix comment bug in sys_cmpxchg description 



Signed-off-by: default avatarChris Metcalf <cmetcalf@tilera.com>
parent 77f8c740

arch/tile/kernel/intvec_32.S

+1 −1
Original line number Diff line number Diff line
@@ -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.