On Wed, Feb 19, 2020 at 04:09:55PM -0600, Stuart Hayes wrote:
> Hello!
>
> I have a question.
>
> Right now, it appears that the acpi_ipmi module in the linux kernel (allowing
> access to the IPMI operation region in ACPI) does not get loaded
> automatically, which can result in undesired results or kernel log messages
> that don't make it obvious to most users what the issue even is.
>
> Would adding "MODULE_SOFTDEP("post: acpi_ipmi");" to ipmi_msghandler.c be an
> acceptable solution?
I'm not sure, that doesn't seem optimal for most systems. What aboud
adding a request_module() call to acpi_ipmi_probe() in
drivers/char/ipmi/ipmi_si_platform.c? That way you only request the
module if there is an ACPI IPMI device.
>
> Right now ipmi_msghandler already has softdep for ipmi_devintf, and adding it
> for acpi_ipmi seems to fix the issues I'm seeing on a system that needs it
> (the system needs it for both the power_meter device, as well as for an ACPI
> _DSM method that controls PCIe SSD LEDs (this is a very new PCI ECN)).
>
> I'd be happy to submit a kernel patch to do this if there's no objection (or
> better solution that I've missed).
That would be great if you could try what I suggested.
Thanks,
-corey
>
> Thanks!
>
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