RE: switching from KVM guest to the host .... TLBs not present?
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Jes Sorensen wrote: > Zhang, Xiantao wrote: >> Yeah, that is very strange! I will check it tomorrow, and have to >> sleep now :-) Xiantao > > Hi Xiantao, > > I think I got it! > > We were calling local_irqs_disable() before calling down_read(), but > down_read() can sleep and so may return with local interrupts > re-enabled..... > > I have reordered things so now we should be safe. > > How does this patch look to you? Good catch! That should be root-cause. The patch seems good! Thanks! Acked-by: Xiantao Zhang <xiantao.zhang@xxxxxxxxx> Avi, Please queue it as the fix of 2.6.30. Thanks! Xiantao -- To unsubscribe from this list: send the line "unsubscribe kvm-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html