Re: x86 rwsem in 2.4.4pre[234] are still buggy [was Re: rwsem benchmarks [Re: generic rwsem [Re: Alpha "process table hang"]]]

[Andrea Arcangeli]

On Sat, Apr 21, 2001 at 03:37:05PM +0100, [EMAIL PROTECTED] 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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/