Boqun Feng 26760fc19a powerpc: atomic: Implement acquire/release/relaxed variants for xchg
Implement xchg{,64}_relaxed and atomic{,64}_xchg_relaxed, based on these
_relaxed variants, release/acquire variants and fully ordered versions
can be built.

Note that xchg{,64}_relaxed and atomic_{,64}_xchg_relaxed are not
compiler barriers.

Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-02-18 00:11:31 +11:00
..
2016-02-07 15:23:20 -08:00
2016-01-26 10:18:29 +02:00