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SubjectRe: WARN_ON() which sometimes sucks
Al Viro writes:

> Actually, the real problem is different - WTF do we need that typeof
> anyway?
> int ret_warn_on = !!(condition);
> [same as now]
> will work just fine...

It will mean more code on architectures which have a
conditional-trap-on-nonzero instruction, such as powerpc, since the
compiler will generate instructions to evaluate !!x. But I don't see
any reason why ret_warn_on couldn't be a long.

Paul.
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