tree 294286e259a08c977e3e71819b2c1d763b13312f
parent 0bce04be442cf4d6e4ba9dac2f0a4c5ee88af5c5
author David S. Miller <davem@davemloft.net> 1352518679 -0800
committer David S. Miller <davem@davemloft.net> 1352518679 -0800

sparc: Support atomic64_dec_if_positive properly.

Sparc32 already supported it, as a consequence of using the
generic atomic64 implementation.  And the sparc64 implementation
is rather trivial.

This allows us to set ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE for all
of sparc, and avoid the annoying warning from lib/atomic64_test.c

Signed-off-by: David S. Miller <davem@davemloft.net>