Re: [PATCH v3 5/7] efi/runtime-wrappers: bound the wait for EFI runtime service calls

From: Breno Leitao

Date: Fri Jul 10 2026 - 06:33:04 EST


Hello Yeoreum,

On Thu, Jul 09, 2026 at 07:56:18AM +0100, Yeoreum Yun wrote:
>
> One of my concern is for the UpdateCapsule runtime service.
> It might have a case where takes more then 2 mins and there's one
> RFC to support a runtime capsule update for arm platform [1].

I'm not familiar with UpdateCapsule. Are you suggesting that a 2-minute
wait for an EFI call should be acceptable (?!)

Wouldn't that trigger stalls and hung-task/wq warnings throughout the
kernel?