Re: [PATCH net-next v4 5/7] eventpoll: Control irq suspension for prefer_busy_poll

From: Samudrala, Sridhar
Date: Sat Nov 02 2024 - 19:35:31 EST




On 11/1/2024 7:52 PM, Joe Damato wrote:
From: Martin Karsten <mkarsten@xxxxxxxxxxxx>

When events are reported to userland and prefer_busy_poll is set, irqs
are temporarily suspended using napi_suspend_irqs.

If no events are found and ep_poll would go to sleep, irq suspension is
cancelled using napi_resume_irqs.

Signed-off-by: Martin Karsten <mkarsten@xxxxxxxxxxxx>
Co-developed-by: Joe Damato <jdamato@xxxxxxxxxx>
Signed-off-by: Joe Damato <jdamato@xxxxxxxxxx>
Tested-by: Joe Damato <jdamato@xxxxxxxxxx>
Tested-by: Martin Karsten <mkarsten@xxxxxxxxxxxx>
Acked-by: Stanislav Fomichev <sdf@xxxxxxxxxxx>
---

Reviewed-by: Sridhar Samudrala <sridhar.samudrala@xxxxxxxxx>