[PATCH v2 1/2] smp: Introduce a helper function to check for pending IPIs

[Thomas Gleixner]

On Mon, Oct 20 2025 at 16:17, Ulf Hansson wrote:

> When governors used during cpuidle, tries to find the most optimal

When governors used during cpuidle trie to ...

Both plural and no comma.

> idlestate for a CPU or a group of CPUs, they are known to quite often fail.

idle state

> One reason for this, is that we are not taking into account whether there

...for this is, that they are not taking into account

> has been an IPI scheduled for any of the CPUs that are affected by the
> selected idlestate.
>
> To enable pending IPIs to be taken into account for cpuidle decisions,
> let's introduce a new helper function, cpus_may_have_pending_ipi().

s/let's//

> Note that, the implementation is intentionally as lightweight as possible,
> in favor of always providing the correct information.

That sentence doesn't make sense. It's a snapshot and therefore can't
provide the correct information.

>  For cpuidle decisions this is good enough.

Thanks,

        tglx