Re: [PATCH] genirq: Add the entropy pool function to the PPI interrupt handler

[Greg KH <gregkh@linuxfoundation.org>]

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@linux.dev>
> ---
>  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