Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH, RFC] RCU : OOM avoidance and lower latency | Date | Fri, 6 Jan 2006 23:18:34 +0100 |
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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.
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