[dpdk-dev] [PATCH v3 1/3] rwlock: reimplement with atomic builtins

[Stephen Hemminger]

On Thu, 14 Mar 2019 21:15:02 +0800
Joyce Kong <joyce.kong at arm.com> wrote:

> -		success = rte_atomic32_cmpset((volatile uint32_t *)&rwl->cnt,
> -					      (uint32_t)x, (uint32_t)(x + 1));
> +		success = __atomic_compare_exchange_n(&rwl->cnt, &x, x+1, 1,
> +					__ATOMIC_ACQUIRE, __ATOMIC_RELAXED);

Would it be possible to have rte_atomic32_cmpset be an inline function
that became __atomic_comppare_exchange? Then all usages would be the same.