Ensure that the store to pa.hype_stack_base will be seen before the
store of pa to global_cpu_table[cpuid].
I have been unable to demonstrate this causing a problem in practice
despite many attempts, but I think it should go in by inspection anyway.
Signed-off-by: Amos Waterland <[EMAIL PROTECTED]>
---
setup.c | 1 +
1 file changed, 1 insertion(+)
diff -r 9148f7816d00 xen/arch/powerpc/setup.c
--- a/xen/arch/powerpc/setup.c Tue Oct 24 19:11:00 2006 -0400
+++ b/xen/arch/powerpc/setup.c Thu Nov 02 12:29:58 2006 -0500
@@ -234,6 +234,7 @@ static void init_parea(int cpuid)
pa->whoami = cpuid;
pa->hard_id = cpu_hard_id[cpuid];
pa->hyp_stack_base = (void *)((ulong)stack + STACK_SIZE);
+ mb();
/* This store has the effect of invoking secondary_cpu_init. */
global_cpu_table[cpuid] = pa;
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