Re: [patch] generic-ipi: fix the smp_mb() placement
From: Jeremy Fitzhardinge
Date: Fri Oct 31 2008 - 01:10:54 EST
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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/