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

[Yeoreum Yun]

> 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?

Might for default config timeout for hung-task. However at least
its timeout configurable.

TBH, normally it wouldn't task more than 2 mins.
But for a in case of *slow firmware*, would be good to make
runtime-service timeout configurable at least?

-- 
Sincerely,
Yeoreum Yun