Messages in this thread | | | Date | Mon, 15 Jun 2015 18:25:25 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 4/8] ARCv2: perf: Support sampling events using overflow interrupts |
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On Tue, Jun 09, 2015 at 05:49:28PM +0530, Vineet Gupta wrote: > + if (arc_pmu->has_interrupts) { > + int irq = platform_get_irq(pdev, 0);
Hmm, so you're requesting a regular interrupt.
I see your architecture has IRQ priorities, could you play games and create NMIs using those?
For example, never mask L1 (assuming that's the highest priority) and treat that as an NMI.
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