Re: [PATCH 08/10] NOTIFIER: Take over TIF_MCE_NOTIFY and implementtask return notifier

[Avi Kivity]

On 06/14/2011 07:59 PM, Luck, Tony wrote:
> >I don't think that doing anything to the task is correct, though, as the
> >problem is with the page, not the task itself.  In fact if the task is
> >executing a vgather instruction, or if another thread munmap()s the
> >page, it may not hit the same page again when re-executed.
>
> True the memory is the source of the problem - but the task is
> intimately affected.  Time for a car analogy :-) ...
>
> You are driving along the road when you notice a giant hole. You
> hit the brakes and stop on the very edge.  The problem is with the
> road, not with your car. But I don't think you want to start driving
> again (at least not in the forward direction!)

No argument, the current task has to be preempted.  But a complete 
solution needs to prevent other tasks as well.

--
error compiling committee.c: too many arguments to function

--
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/