[Xen-devel] Re: [PATCH] Fix cpu offline bug

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

>>> On 05.03.11, Keir Fraser <keir.xen@xxxxxxxxx> wrote:
>Urk, good point!

But your fix still allows what the comment says it is supposed to avoid
- simply introducing a variable doesn't help afaict, you also need to
insert a barrier() to avoid a second read (or "cpu_state" would need
to be volatile).

Jan


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