Re: [PATCH 3/6] x86/mce: Add support for new MCA_SYND register

From: Borislav Petkov
Date: Fri Jul 08 2016 - 05:37:49 EST

On Fri, Jul 08, 2016 at 11:26:59AM +0200, Ingo Molnar wrote:
> So why does neither the changelog nor the code comment actually _explain_ this and
> give aa bit of a background about what 'syndrome information' is and why we want
> to have kernel support for it?
> This is why I hate kernel tooling that is not part of the kernel tree - the mcelog
> patch (hopefully ...) would tell us more about all this - but it's separate and
> this patch does not tell us anything ...

Ah, this is one of those omissions where we forgot to explain, sorry.
How about this:

"The syndrome value is used to uniquely identify which bits of a
reported ECC error are corrupted."

Do you want it as a comment in the code or in the commit message or both?



ECO tip #101: Trim your mails when you reply.