Re: [PATCH v2 4/7] ghes_edac: avoid multiple calls to dmi_walk()

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On Wed, 2017-08-16 at 11:51 -0600, Toshi Kani wrote:
> On Wed, 2017-08-16 at 19:40 +0200, Borislav Petkov wrote:
> > On Wed, Aug 16, 2017 at 05:28:50PM +0000, Kani, Toshimitsu wrote:
 :
> > > I will test the patch with an SCI when I got a chance.  I won't
> > > be able to test other notification types or race conditions,
> > > though.
> > 
> > Thanks, here's the latest version with the atomic registration too.
> 
> Sure, I will test with this version.

I briefly tested the patch with an SCI. The error reporting part seems
to work fine.

There are two issues I noticed:

1. It creates mc0 and mc1.  
I think this is because you called edac_mc_alloc() with mc_num 1.

2. 'ras-mc-ctl --layout' does not show all DIMMs.

# ras-mc-ctl --layout
         +------------------------+
         |    mc0     |    mc1     |
---------+------------------------+
memory4: |     0 MB  |  16384 MB  |
memory3: |     0 MB  |     0 MB  |
memory2: |     0 MB  |     0 MB  |
memory1: |     0 MB  |     0 MB  |
memory0: |     0 MB  |  8192 MB  |
---------+-----------------------+

# ls /sys/bus/mc1/devices
csrow0   csrow12  csrow23  dimm0   dimm12  dimm23  mc1
csrow11  csrow19  csrow4   dimm11  dimm19  dimm4

Thanks,
-Toshi


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