Re: kmemcheck: OS boot failed because NMI handlers access the memory tracked by kmemcheck

From: Peter Zijlstra
Date: Mon Mar 17 2014 - 06:15:52 EST


On Mon, Mar 17, 2014 at 05:19:33PM +0800, Xishi Qiu wrote:
> Now we don't support page faults in NMI context is that we
> may already be handling an existing fault (or trap) when the NMI hits.
> So that would mess up kmemcheck's working state.

I think it was suggested earlier that kmemcheck could maybe have a stack
of states.
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