Re: [EXTERNAL] Re: [PATCH 1/2] x86/Kconfig: Allow CONFIG_X86_MPPARSE disable for OF platforms

From: Dave Hansen
Date: Wed May 24 2023 - 14:02:26 EST

On 5/24/23 09:23, Saurabh Singh Sengar wrote:
>> Could you please rephrase this to be less confusing?
> Thanks for your review. Currently, in the absence of ACPI, it is impossible to
> disable X86_MPPARSE. In the case of ACPI being enabled, one has the
> option to either enable or disable X86_MPARSE. My intention is to permit
> X86_MPPARSE=n for OF platforms where ACPI=n. To describe the capability
> of choosing any desired value for MPPARSE, I used the term 'selectable.'
> Perhaps 'configurable' would be a more appropriate word in this context?
> I can fix this and include it in V2.

OK, so this particular Hyper-V setup doesn't run normal normal distro
kernels? It requires a very specialized kernel? Or it's just _better_
that the kernel is configured this way?

>> This is also one of those patches where I wonder: Why do _you_ care about
>> this? Are you just trying to be nice? Is this intended as some kind of cleanup?
> It solves an issue for Hyper-V VBS setup, please refer to the 2/2 of this patch
> series.

Heh, that changelog is even more confusing than _this_ one. It doesn't
say that there's a problem, only that it removes "not required" code.

I'm still confused by this whole thing.