On Fri, 2007-02-16 at 02:19 -0800, Zachary Amsden wrote: > Doesn't stop_machine_run already take care of getting you out of all > kernel threads? So you can only be sleeping, not preempted, in which > case, this might not be an issue?
No, stop_machine only protects against preempt-disabled regions. I thought about making that particularly hammer bigger, but noone had needed it yet. It would simply require a runtime way of disabling further preemption and flushing preempted threads (AFAICT there can be no deadlock issues with this). Rusty. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
