Messages in this thread | | | Date | Tue, 17 Jul 2018 13:28:42 +0200 | From | Peter Zijlstra <> | Subject | Re: [RFC PATCH 1/4] genirq: Provide basic NMI management for interrupt lines |
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On Tue, Jul 17, 2018 at 12:13:44PM +0100, Julien Thierry wrote:
> I'm a bit unsure about this one. In practice NMI handlers shouldn't take > forever nor block the system for too long.
On x86 at least, kgdb can be in NMI context for extended periods. Not saying that's a good thing, but on occasion we get reports on stuff coming apart because of that.
(most times we tell people to not do that then)
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