Re: [PATCH 4/5] efi: Export Runtime Configuration Interface table to sysfs

From: Narendra.K
Date: Tue Oct 01 2019 - 14:02:01 EST


On Tue, Oct 01, 2019 at 01:20:46PM +0000, Limonciello, Mario wrote:
[...]
> > > > > > +config EFI_RCI2_TABLE
> > > > > > + bool "EFI Runtime Configuration Interface Table Version 2 Support"
> > > > > > + help
> > > > > > + Displays the content of the Runtime Configuration Interface
> > > > > > + Table version 2 on Dell EMC PowerEdge systems as a binary
> > > > > > + attribute 'rci2' under /sys/firmware/efi/tables directory.
> > > > > > +
> > > > > > + RCI2 table contains BIOS HII in XML format and is used to populate
> > > > > > + BIOS setup page in Dell EMC OpenManage Server Administrator tool.
> > > > > > + The BIOS setup page contains BIOS tokens which can be configured.
> > > > > > +
> > > > > > + Say Y here for Dell EMC PowerEdge systems.
> > > > >
> > > > > A quick Google search tells me these are Intel Xeon.
> > > > > Are arm/arm64/ia64 variants available, too?
> > > > > If not, this should be protected by "depends on x86" ("|| COMPILE_TEST"?).
> > > >
> > > > The code in question is entirely architecture agnostic, and defaults
> > > > to 'n', so I am not convinced this is needed. (It came up in the
> > > > review as well)
> > >
> > > "make oldconfig" still asks me the question on e.g. arm64, where it is
> > > irrelevant, until arm64 variants of the hardware show up.
> > >
> > > So IMHO it should have "depends on X86 || COMPILE_TEST".
> > >
> >
> > Fair enough. I am going to send out a bunch of EFI fixes this week, so
> > I'll accept a patch that makes the change above.
>
> Is it really a problem to just say n?
>
> I think this seems like a needless change that would slow down adoption of
> !x86 if Dell EMC PowerEdge systems did start going that route, especially
> when it comes to distributions that move glacially slow with picking up new
> kernel code.

Hi Ard/Geert,

Any additional thoughts here ?

--
With regards,
Narendra K