linux-kernel - Re: [PATCH v18 04/19] EDAC: Add memory repair control feature

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Message-ID: <20250109123222.GBZ3_B1g3Esgu1-MPi@fat_crate.local>
Date: Thu, 9 Jan 2025 13:32:22 +0100
From: Borislav Petkov <bp@...en8.de>
To: Shiju Jose <shiju.jose@...wei.com>
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Subject: Re: [PATCH v18 04/19] EDAC: Add memory repair control feature

On Thu, Jan 09, 2025 at 11:00:43AM +0000, Shiju Jose wrote:
> The min_ and max_ attributes of the control attributes are added  for your
> feedback on V15 to expose supported ranges of these control attributes to the user, 
> in the following links.  

Sure, but you can make that differently:

cat /sys/bus/edac/devices/<dev-name>/mem_repairX/bank
[x:y]

which is the allowed range.

echo ... 

then writes in the bank.

> ... so we would propose we do not add max_ and min_ for now and see how the
> use cases evolve.

Yes, you should apply that same methodology to the rest of the new features
you're adding: only add functionality for the stuff that is actually being
used now. You can always extend it later.

Changing an already user-visible API is a whole different story and a lot lot
harder, even impossible.

So I'd suggest you prune the EDAC patches from all the hypothetical usage and
then send only what remains so that I can try to queue them.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette