Messages in this thread | | | Subject | Re: NMI for ARC | From | Vineet Gupta <> | Date | Wed, 28 Sep 2016 18:20:29 -0700 |
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On 09/28/2016 03:26 PM, Andy Lutomirski wrote: >> Right, so what I think Vineet is asking is if we need to disable NMIs as >> > well, we cannot on x86 disable NMIs so no. >> > > The same argument works here, too: an NMI won't set TIF_NEED_RESCHED > without sending an IPI, so we can't miss a wakeup.
But what exact wakeup miss are we taking about here. If intr were NOT disabled, how could this happen. Just trying to understand the need for "irqs-disabled" in resume_{user,kernel}_*
The intr disabled before reg file restore makes complete sense though.
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