Re: [PATCH] genirq: Add the entropy pool function to the PPI interrupt handler
From: Greg KH
Date: Tue Jun 16 2026 - 02:05:43 EST
On Tue, Jun 16, 2026 at 01:50:42PM +0800, Enlin Mu wrote:
> Accelerate the entropy pool initialization process
How? Please explain.
> Signed-off-by: Enlin Mu <enlin.mu@xxxxxxxxx>
> ---
> kernel/irq/chip.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
> index de754db414d1..cbbd7e7d1156 100644
> --- a/kernel/irq/chip.c
> +++ b/kernel/irq/chip.c
> @@ -926,6 +926,7 @@ void handle_percpu_devid_irq(struct irq_desc *desc)
> trace_irq_handler_entry(irq, action);
> res = action->handler(irq, raw_cpu_ptr(action->percpu_dev_id));
> trace_irq_handler_exit(irq, action, res);
> + add_interrupt_randomness(irq);
Are you sure this does anything measurable?
thanks,
greg k-h