[PATCH 1/4] um: irqs: process outstanding IRQs when unblocking signals

[Johannes Berg]

On Fri, 2023-10-20 at 14:20 +0200, Johannes Berg wrote:
> 
> Yes but you need to schedule for the interrupt, and you don't
> necessarily know what 'current time' is at interrupt time.
> 
> So let's say you have "something" that's scheduled to run at times
>  - 1000
>  - 2000
>  - 3000
> 
> and free-until is 10000 or something high.
> 

It can also happen without free-until, then it just depends which one of
the two - they're running in parallel now (linux doing time-travel
interrupt handling and adding the event, the other thing continuing to
schedule and doing the next entry)  - asks the controller first.

johannes