Given the general confusion and the difficulty of defining and
understanding the semantics of these predicates. And given that the
foo_is_locked() predicates have a history of being used to implement
ghastly kludges, how about we simply nuke this statement:
Chris Wedgwood <[EMAIL PROTECTED]> wrote:
>
> if (!spin_is_locked(&p->sighand->siglock) &&
> - !rwlock_is_locked(&tasklist_lock))
> + !rwlock_write_locked(&tasklist_lock))
and be done with the whole thing?
I mean, do we really want these things in the kernel anyway? We've never
needed them before.
If we reeeealy need the debug check, just do
BUG_ON(read_trylock(...))
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