Quoting Mika Kuoppala (2017-09-12 09:36:18)
> +static inline unsigned int
> +execlist_active_ports(const struct intel_engine_execlist * const el)
> {
> - const unsigned int i = port_index(port, el);
> + return READ_ONCE(el->port_count);
READ_ONCE? Could we separate the racy check from the serialized uses
inside the tasklet where we do want the compiler to go to town?
-Chris
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