PATCH: Declare wait_node structure volatile

[Ulrich Drepper]

On Thu, 2002-03-21 at 11:46, Jakub Jelinek wrote:

> Shouldn't sysdeps/ia64/pt-machine.h instead define a
> MEMORY_BARRIER (to something like:
> __asm__ __volatile__("" : : : "memory");
> )?

This looks more correct.  Though this should probably be the default for
all platforms which don't define specific BARRIER macros.

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