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SubjectRe: rw_semaphores

At Mon, 9 Apr 2001 22:43:53 -0700 (PDT),
Linus Torvalds wrote:

> The ordering is certainly possible, but if it happens,
> __down_read_failed() won't actually sleep, because it will notice that the
> value is positive and just return immediately. So it will do some
> unnecessary work (add itself to the wait-queue only to remove itself
> immediately again), but it will do the right thing.
>
> Linus
>

I understand. Thank you.
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