* Valentin Rothberg <valentin.rothb...@lip6.fr> [150302 05:39]:
> The IRQF_DISABLED flag is a NOOP and scheduled to be removed. According
> to commit e58aa3d2d0cc ("genirq: Run irq handlers with interrupts
> disabled") running IRQ handlers with interrupts enabled can cause stack
> overflows when the interrupt line of the issuing device is still active.
>
> Signed-off-by: Valentin Rothberg <valentin.rothb...@lip6.fr>
Applying into omap-for-v4.1/l3 thanks.
Regards,
Tony
> ---
> drivers/bus/omap_l3_smx.c | 10 ++++------
> 1 file changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/bus/omap_l3_smx.c b/drivers/bus/omap_l3_smx.c
> index 597fdae..360a5c0 100644
> --- a/drivers/bus/omap_l3_smx.c
> +++ b/drivers/bus/omap_l3_smx.c
> @@ -251,18 +251,16 @@ static int omap3_l3_probe(struct platform_device *pdev)
> }
>
> l3->debug_irq = platform_get_irq(pdev, 0);
> - ret = request_irq(l3->debug_irq, omap3_l3_app_irq,
> - IRQF_DISABLED | IRQF_TRIGGER_RISING,
> - "l3-debug-irq", l3);
> + ret = request_irq(l3->debug_irq, omap3_l3_app_irq, IRQF_TRIGGER_RISING,
> + "l3-debug-irq", l3);
> if (ret) {
> dev_err(&pdev->dev, "couldn't request debug irq\n");
> goto err1;
> }
>
> l3->app_irq = platform_get_irq(pdev, 1);
> - ret = request_irq(l3->app_irq, omap3_l3_app_irq,
> - IRQF_DISABLED | IRQF_TRIGGER_RISING,
> - "l3-app-irq", l3);
> + ret = request_irq(l3->app_irq, omap3_l3_app_irq, IRQF_TRIGGER_RISING,
> + "l3-app-irq", l3);
> if (ret) {
> dev_err(&pdev->dev, "couldn't request app irq\n");
> goto err2;
> --
> 1.9.1
>
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