PATCH: Declare wait_node structure volatile

[Jakub Jelinek]

On Wed, Mar 20, 2002 at 03:37:29PM -0600, Mark Brown wrote:
> 2002-01-29	Mark Brown <bmark@us.ibm.com>
> 		linuxthreads/spinlock.c: Declare wait_node structure volatile

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

	Jakub