On Tue, Apr 21, 2015 at 04:05:54PM +0100, Anders Roxell wrote:
> Mark the PMU interrupts as non-threadable, as is the case with
> arch/arm: d9c3365 ARM: 7813/1: Mark pmu interupt IRQF_NO_THREAD
> 
> Suggested-by: Sebastian Andrzej Siewior <[email protected]>
> Signed-off-by: Anders Roxell <[email protected]>
> ---
>  arch/arm64/kernel/perf_event.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Acked-by: Will Deacon <[email protected]>

Catalin can queue this for 4.2.

Cheers,

Will

> diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
> index 195991d..7db5c84 100644
> --- a/arch/arm64/kernel/perf_event.c
> +++ b/arch/arm64/kernel/perf_event.c
> @@ -488,7 +488,7 @@ armpmu_reserve_hardware(struct arm_pmu *armpmu)
>                       }
>  
>                       err = request_irq(irq, armpmu->handle_irq,
> -                                     IRQF_NOBALANCING,
> +                                     IRQF_NOBALANCING | IRQF_NO_THREAD,
>                                       "arm-pmu", armpmu);
>                       if (err) {
>                               pr_err("unable to request IRQ%d for ARM PMU 
> counters\n",
> -- 
> 2.1.4
> 
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