RE: [PATCH v2] genirq: Add the entropy pool function to the PPI interrupt handler

From: Michael Kelley

Date: Tue Jun 16 2026 - 10:28:09 EST


From: Enlin Mu <enlin.mu@xxxxxxxxx> Sent: Tuesday, June 16, 2026 3:02 AM
>
> Accelerate the entropy pool initialization process.
> The function handle_irq_event_percpu adds entropy pool
> initialization, but this logic is missing in the PPI interrupt handler.
> I think this was simply an accidental omission.

This change has already been made via a patch I submitted. The
change is in the 7.1 release. See commit fd7400cfcbaa and a
follow-on fix in commit 512718bbc51b.

Michael

>
> Signed-off-by: Enlin Mu <enlin.mu@xxxxxxxxx>
> ---
> v2:updated the commit message
> ---
> 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);
> } else {
> bool enabled = cpumask_test_cpu(cpu, desc->percpu_enabled);
>
> --
> 2.39.5
>