arm64: implement spinlocks
We put this off, as it wasn't necessary without smp. Now it is. Only need to do this for arm64, as we've already done it already for arm. Signed-off-by:Andrew Jones <drjones@redhat.com> Signed-off-by:
Marcelo Tosatti <mtosatti@redhat.com>
lib/arm64/spinlock.c
0 → 100644
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