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SubjectRe: [RFC][PATCH] sched/wait_bit: Introduce wait_var_event()/wake_up_var()
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Peter Zijlstra <peterz@infradead.org> wrote:

> Does the below address things sufficiently clear?

Yep.

> +wait_queue_head_t *__var_waitqueue(void *p)
> +{
> + if (BITS_PER_LONG == 64) {
> + unsigned long q = (unsigned long)p;
> +
> + return bit_waitqueue((void *)(q & ~1), q & 1);
> + }
> + return bit_waitqueue(p, 0);
> +}

You might be better off not using bit_waitqueue() but rather do the
calculation directly since you don't actually have a bit number.

David

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