Re: Loongson (and other $ARCHs?) idle VS timer enqueue

[Thomas Gleixner]

On Fri, Apr 21 2023 at 18:55, Frederic Weisbecker wrote:
> On Fri, Apr 21, 2023 at 05:24:36PM +0200, Thomas Gleixner wrote:
>> It's far from trivial because you'd need correlation between the
>> interrupt entry and the enter to and return from arch_cpu_idle().
>> 
>> I fear manual inspection is the main tool here :(
>
> I thought so :)
>
> I'm already halfway through the architectures, then will come the cpuidle drivers...

For objtool covered architectures you might come up with some annotation
which allows objtool to yell, when it discovers a local_irq_enable() or
such at the wrong place.

Thanks,

        tglx