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SubjectRe: BUG: lock held when returning to user space

On Sat, 27 Oct 2007, Peter Zijlstra wrote:
> Now I could probably come up with an annotation to hide it, but what do
> other people think, Ingo, Linus, Andrew, do we want to keep kernel locks
> held over userspace?

Definitely not a sane thing to do. It should use ref-counting and/or a
single bit to say "busy".

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