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SubjectRe: x86 rwsem in 2.4.4pre[234] are still buggy [was Re: rwsem benchmarks [Re: generic rwsem [Re: Alpha "process table hang"]]]
On Sat, Apr 21, 2001 at 03:37:05PM +0100, rmk@arm.linux.org.uk wrote:
> Andrea Arcangeli writes:
> > That it is allowed by my generic code that does spin_lock_irq in down_* and
> > spin_lock_irqsave in up_* but it's disallowed by the weaker semantics of the
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > generic and x86 semaphores 2.4.4pre[2345] (or + David's last patch).
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> Hang on, who's code is in 2.4.4-pre5? It claims to be Davids, which does
> suffer from the problem I described.

Yes.

Andrea
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