Messages in this thread | | | Date | Fri, 31 Oct 2008 16:10:15 +1100 | From | Jeremy Fitzhardinge <> | Subject | Re: [patch] generic-ipi: fix the smp_mb() placement |
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Suresh Siddha wrote: > We didn't see the lockup in our tests but Xen folks reported similar failures > with their smp call function code. >
...really? I don't remember anything like that, but perhaps I'm forgetting something. In Xen the IPI is sent with a hypercall, which is definitely a solid enough barrier for these purposes.
J
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