Re: [PATCH, RFC] RCU : OOM avoidance and lower latency

[Andi Kleen]

On Friday 06 January 2006 20:26, Lee Revell wrote:
> On Fri, 2006-01-06 at 13:58 +0100, Andi Kleen wrote:
> > Another CPU might be stuck in a long 
> > running interrupt
> 
> Shouldn't a long running interrupt be considered a bug?

In normal operation yes, but there can be always exceptional
circumstances where it's unavoidable (e.g. during error handling) 
and in the name of defensive programming the rest of the system ought 
to tolerate it.

-Andi
-
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/