On Tue, 2015-15-12 at 14:24:14 UTC, Boqun Feng wrote:
> Some architectures may have their special barriers for acquire, release
> and fence semantics, so that general memory barriers(smp_mb__*_atomic())
> in the default __atomic_op_*() may be too strong, so allow architectures
> to define their own
Some architectures may have their special barriers for acquire, release
and fence semantics, so that general memory barriers(smp_mb__*_atomic())
in the default __atomic_op_*() may be too strong, so allow architectures
to define their own helpers which can overwrite the default helpers.
Signed-off-
