Re: [PATCH v3 1/4] irq: export kstat_irqs

[Jarkko Sakkinen]

On Fri, Dec 04, 2020 at 06:43:37PM -0700, Jerry Snitselaar wrote:
> To try and detect potential interrupt storms that
> have been occurring with tpm_tis devices it was suggested
> to use kstat_irqs() to get the number of interrupts.
> Since tpm_tis can be built as a module it needs kstat_irqs
> exported.

I think you should also have a paragraph explicitly stating that
i915_pmu.c contains a duplicate of kstat_irqs() because it is not
exported as of today. It adds a lot more weight to this given that
there is already existing mainline usage (kind of).

> 
> Reported-by: kernel test robot <lkp@xxxxxxxxx>

I'm not sure if this makes much sense.

> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
> Cc: Jason Gunthorpe <jgg@xxxxxxxx>
> Cc: Peter Huewe <peterhuewe@xxxxxx>
> Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
> Cc: Matthew Garrett <mjg59@xxxxxxxxxx>
> Cc: Hans de Goede <hdegoede@xxxxxxxxxx>
> Signed-off-by: Jerry Snitselaar <jsnitsel@xxxxxxxxxx>

/Jarkko