From: "Ghannam, Yazen" <Yazen.Ghannam@amd.com>
To: Borislav Petkov <bp@alien8.de>
Cc: "linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"tony.luck@intel.com" <tony.luck@intel.com>,
"x86@kernel.org" <x86@kernel.org>
Subject: RE: [PATCH 2/2] x86/MCE/AMD: Skip creating kobjects with NULL names
Date: Tue, 21 Aug 2018 18:27:34 +0000 [thread overview]
Message-ID: <BN7PR12MB2593D34AEBB6BFD8CAC381AEF8310@BN7PR12MB2593.namprd12.prod.outlook.com> (raw)
In-Reply-To: <20180821131541.GE30528@nazgul.tnic>
> -----Original Message-----
> From: Borislav Petkov <bp@alien8.de>
> Sent: Tuesday, August 21, 2018 8:16 AM
> To: Ghannam, Yazen <Yazen.Ghannam@amd.com>
> Cc: linux-edac@vger.kernel.org; linux-kernel@vger.kernel.org;
> tony.luck@intel.com; x86@kernel.org
> Subject: Re: [PATCH 2/2] x86/MCE/AMD: Skip creating kobjects with NULL
> names
>
> On Thu, Aug 16, 2018 at 06:46:33PM +0000, Ghannam, Yazen wrote:
> > Future SMCA systems may have banks whose MCA_IPID is not known so we
>
> You lost me here. How would the IPID not be known? Are you talking about
> an old kernel running on new HW and thus the HardwareID in its MCA_IPID
> to be unknown to the old kernel?
>
Yes, that's right: old kernel on new HW.
> > In the past, the sysfs entries were named something like "th_bank#" before
> > each bank was given a more descriptive name. We can go back to this format
> > as a fallback for unrecognized bank types. This will fix the issue with sysfs
> > failing and also the interface will still work on new hardware.
>
> You could do: th_bank#<HardwareID> so that we can find what it is by
> grepping the PPR.
>
Good idea. Will do.
Thanks,
Yazen
next prev parent reply other threads:[~2018-08-21 18:27 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-09 14:08 [PATCH 1/2] x86/MCE/AMD: Check for NULL banks in THR interrupt handler Yazen Ghannam
2018-08-09 14:08 ` [PATCH 2/2] x86/MCE/AMD: Skip creating kobjects with NULL names Yazen Ghannam
2018-08-09 16:18 ` Borislav Petkov
2018-08-09 18:46 ` Ghannam, Yazen
2018-08-15 15:54 ` Borislav Petkov
2018-08-16 18:46 ` Ghannam, Yazen
2018-08-21 13:15 ` Borislav Petkov
2018-08-21 18:27 ` Ghannam, Yazen [this message]
2018-08-09 16:15 ` [PATCH 1/2] x86/MCE/AMD: Check for NULL banks in THR interrupt handler Borislav Petkov
2018-08-09 18:18 ` Ghannam, Yazen
2018-08-16 19:00 ` Ghannam, Yazen
2018-08-21 13:21 ` Borislav Petkov
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