Re: [PATCH] irq: add support for warning on long-running IRQ handlers

[Wladislav Wiebe <wladislav.wiebe@nokia.com>]

On 01/07/2025 09:37, Thomas Gleixner wrote:
>
> On Tue, Jul 01 2025 at 08:10, Wladislav Wiebe wrote:
>> On 30/06/2025 17:42, Thomas Gleixner wrote:
>>> Define sufficient. That really depends on your use case. For a real-time
>>> system a hard interrupt handler running longer than a few microseconds
>>> can be problematic.
>>>
>>> So instead of adding some single purpose mechanism, can we please add
>>> something flexible which can be used for a wide range of scenarios.
>> the initial goal was to cover regular non-RT cores, as on isolated/tickless cores
>> we should not have device interrupts.
> Who is 'we'? If you refer to your use case that might be correct, but
> you cannot make assumptions about the rest of the world. Real-Time
> systems are as divers in setup and configuration as anything else.
>
> Thanks,
>
>         tglx

all right, I've updated to v2: https://lore.kernel.org/lkml/20250714084209.918-1-wladislav.wiebe@nokia.com/ Thank you for all comments! - W.W.