Re: [PATCH 7/8] xtensa: implement counting and sampling perf events

From: Peter Zijlstra
Date: Mon Jul 06 2015 - 09:47:21 EST


On Mon, Jul 06, 2015 at 04:32:48PM +0300, Max Filippov wrote:
> +static int __init xtensa_pmu_init(void)
> +{
> + int ret;
> + int irq = irq_create_mapping(NULL, XCHAL_PROFILING_INTERRUPT);

Does this platform have interrupt priorities which you can partially
mask in order to create NMI like behaviour?


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