Re: [PATCH v2] edac_mc: Cleanup per-dimm_info debug messages

From: Borislav Petkov
Date: Mon Apr 30 2012 - 11:20:36 EST


On Mon, Apr 30, 2012 at 12:10:24PM -0300, Mauro Carvalho Chehab wrote:
> > [ 728.430828] EDAC DEBUG: edac_mc_dump_dimm: dimm2: channel 0 slot 2 mapped as virtual row 0, chan 2
> > [ 728.430834] EDAC DEBUG: edac_mc_dump_dimm: dimm->label = 'mc#0channel#0slot#2'
> > [ 728.430839] EDAC DEBUG: edac_mc_dump_dimm: dimm->nr_pages = 0x0
> > [ 728.430846] EDAC DEBUG: edac_mc_dump_dimm: dimm->grain = 0
> > [ 728.430850] EDAC DEBUG: edac_mc_dump_dimm: dimm->nr_pages = 0x0
>
> Hmm... just noticed that, just like the per-csrow register dumps, this routine
> is called even when empty memories are used (in this case: nr_pages = 0).
>
> IMHO, as this is a registers dump, the better is to keep it as-is, but it would
> be simple to add a test there - and at edac_mc_dump_csrow() - to just dump it
> when dimm->nr_pages is not 0.
>
> What do you think?

Or even better, test dimm->nr_pages != 0 before calling
edac_mc_dump_csrow() so that you can save yourself the function call.

Btw, where are the latest versions of your patches so that I can
continue reviewing them?

Thanks.

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Boris.

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