Re: [PATCH v3 03/11] ARC: Allow irq threading

2017-08-25 Thread Thomas Gleixner
On Fri, 25 Aug 2017, Thomas Gleixner wrote: > On Fri, 25 Aug 2017, Vineet Gupta wrote: > > On 06/15/2017 01:43 AM, Noam Camus wrote: > > > From: Noam Camus > > > > > > Working with NPS400 we noticed that there is a possibility of L1 > > > interrupt nesting that may run out kernel stack. > > > Th

Re: [PATCH v3 03/11] ARC: Allow irq threading

2017-08-25 Thread Thomas Gleixner
On Fri, 25 Aug 2017, Vineet Gupta wrote: > On 06/15/2017 01:43 AM, Noam Camus wrote: > > From: Noam Camus > > > > Working with NPS400 we noticed that there is a possibility of L1 > > interrupt nesting that may run out kernel stack. > > The scenario include serving invoke_softirqs() from irq_exit(

Re: [PATCH v3 03/11] ARC: Allow irq threading

2017-08-25 Thread Vineet Gupta
+CC Peter, Tglx, Steven On 06/15/2017 01:43 AM, Noam Camus wrote: From: Noam Camus Working with NPS400 we noticed that there is a possibility of L1 interrupt nesting that may run out kernel stack. The scenario include serving invoke_softirqs() from irq_exit() and once local_irq_enable() called