Re: A question of perf NMI handler

Robert Richter
2010-08-04T10:29:24Z

On 04.08.10 06:24:18, Peter Zijlstra wrote:
> On Wed, 2010-08-04 at 12:01 +0200, Robert Richter wrote:
> > To ensure that all other nmi handlers are
> > called, the perfctr's nmi handler must have the lowest priority. Then,
> > the handler will be the last in the chain.
>
> Well, unless another NMI handler has the exact same issue and also
> starts eating all NMIs, just in case.

In this case we will have to change the implementation for unhandled
nmis. But I don't know of other sources with this issue.

-Robert

--
Advanced Micro Devices, Inc.
Operating System Research Center