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SubjectRe: [patch 2/8] Implement always-locked bit ops, for memory shared with an SMP hypervisor.
On Wed, 2 Aug 2006, Zachary Amsden wrote:

> It needn't be all architectures yet - only architectures that want to compile
> Xen drivers are really affected. Perhaps a better place for these locking
> primitives is in a Xen-specific driver header which defines appropriate
> primitives for the architectures required? Last I remember, there were still
> some issues here where atomic partial word operations couldn't be supported on
> some architectures.

Good idea. This will also make it easier to support this special
functionality. And it will avoid use in contexts where these are
not necessary.
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