On Mon, Apr 12, 2021 at 10:29 AM Stanislaw Kardach <[email protected]> wrote: > > The lock-free stack implementation (RTE_STACK_F_LF) is supported only on a > subset of platforms, namely x86_64 and arm64. Platforms supporting 128b > atomics > have to opt-in to a generic or C11 implementations. All other platforms use a > stubbed implementation for push/pop operations which are basically NOPs. > However rte_stack_create() will not fail and application can proceed assuming > it has a working lock-free stack. > > This means that among other things the stack_lf fast and perf tests will fail > as if implementation is wrong (which one can argue is). Therefore this > patchset > tries to give user a way to check whether a lock_free is supported or not both > at compile time (build flag) and at runtime (ENOTSUP errno in > rte_stack_create).
Series applied. Thanks Stanislaw! -- David Marchand
