Re: [PATCH v8 1/2] misc: ibmasm: Fix static out-of-bounds MMIO access during probe

From: Greg KH

Date: Sat Aug 01 2026 - 02:56:25 EST


On Sat, Aug 01, 2026 at 10:58:56AM +0800, Mingyu Wang wrote:
> Hi Greg,
>
>
> > I do not know. Do some research into when the hardware was made, what
> > it runs on, and try to determine if it really is even used anymore by
> > anyone. If not, then yes, let's drop it!
>
> Thanks for the guidance! I did the research on the IBM RSA hardware,
> and it indeed seems to belong in a museum.
>
> Here is what I found regarding its lifecycle:
> 1. The IBM Remote Supervisor Adapter (RSA) and RSA II were early 2000s
>    management PCI/ISA cards for ancient IBM eServer xSeries machines.
> 2. IBM deprecated the RSA family and replaced it with IMM around 2008.

So if it was last shipped in 2008, I think we can properly remove it.
Care to submit a patch to do so? If someone shows up with the hardware,
we can easily revert the removal.

thanks,

greg k-h