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From: Borislav Petkov <bp@alien8.de>
To: Yazen Ghannam <yazen.ghannam@amd.com>
Cc: Mukul Joshi <mukul.joshi@amd.com>,
	linux-edac@vger.kernel.org, x86@kernel.org,
	linux-kernel@vger.kernel.org, mingo@redhat.com,
	mchehab@kernel.org, amd-gfx@lists.freedesktop.org
Subject: Re: [PATCHv3 2/2] drm/amdgpu: Register MCE notifier for Aldebaran RAS
Date: Thu, 23 Sep 2021 16:37:10 +0200	[thread overview]
Message-ID: <YUyRFl3oc2CwFxZz@zn.tnic> (raw)
In-Reply-To: <YUyPM7VfYFG/PJmu@yaz-ubuntu>

On Thu, Sep 23, 2021 at 02:29:07PM +0000, Yazen Ghannam wrote:
> > +	/*
> > +	 * If the error was generated in UMC_V2, which belongs to GPU UMCs,
> > +	 * and error occurred in DramECC (Extended error code = 0) then only
> > +	 * process the error, else bail out.
> > +	 */
> > +	if (!m || !((smca_get_bank_type(m->bank) == SMCA_UMC_V2) &&
> > +		    (XEC(m->status, 0x1f) == 0x0)))
> 
> The MCA_STATUS[ErrorCodeExt] field is bits [21:16], so the mask should be
> 0x3f.
> 
> > +		return NOTIFY_DONE;
> > +
> > +	/*
> > +	 * If it is correctable error, return.
> > +	 */
> > +	if (mce_is_correctable(m))
> > +		return NOTIFY_OK;
> 
> Shouldn't this be "NOTIFY_DONE" if "don't care" about this error?

I think the logic here is to stop calling any further consumers on the
notify chain because this is a GPU correctable error and they can't do
anything about it anyway, right?

Or am I misreading it?

-- 
Regards/Gruss,
    Boris.

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

  reply	other threads:[~2021-09-23 14:37 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-11 15:25 [PATCH 1/3] x86/MCE/AMD, EDAC/mce_amd: Add new SMCA bank types Naveen Krishna Chatradhi
2021-05-11 15:25 ` [PATCH 2/3] x86/MCE/AMD: Helper function to check UMC v2 Naveen Krishna Chatradhi
2021-05-11 17:34   ` Borislav Petkov
2021-05-12  1:40     ` Joshi, Mukul
2021-05-12  7:26       ` Borislav Petkov
2021-09-13  2:13   ` [PATCHv2 1/2] x86/MCE/AMD: Export smca_get_bank_type symbol Mukul Joshi
2021-09-13  2:13     ` [PATCHv2 2/2] drm/amdgpu: Register MCE notifier for Aldebaran RAS Mukul Joshi
2021-09-22 11:40       ` Borislav Petkov
2021-09-22 19:43         ` Joshi, Mukul
2021-09-22 19:36       ` [PATCHv3 " Mukul Joshi
2021-09-23 14:29         ` Yazen Ghannam
2021-09-23 14:37           ` Borislav Petkov [this message]
2021-09-23 15:31             ` Joshi, Mukul
2021-09-23 15:30           ` Joshi, Mukul
2021-09-23 17:23             ` Yazen Ghannam
2021-09-23 18:14               ` Borislav Petkov
2021-09-24 19:46                 ` Yazen Ghannam
2021-09-25 11:20                   ` Borislav Petkov
2021-09-27 18:37                     ` Yazen Ghannam
2021-09-23 18:34               ` Joshi, Mukul
2021-09-23 22:04         ` [PATCHv4 " Mukul Joshi
2021-09-24 19:53           ` Yazen Ghannam
2021-09-22 11:33     ` [PATCHv2 1/2] x86/MCE/AMD: Export smca_get_bank_type symbol Borislav Petkov
2021-09-22 16:27       ` Deucher, Alexander
2021-09-22 16:43         ` Borislav Petkov
2021-09-22 16:47           ` Joshi, Mukul
2021-05-11 15:25 ` [PATCH 3/3] x86/mce: Add MCE priority for Accelerator devices Naveen Krishna Chatradhi
2021-05-11 17:27 ` [PATCH 1/3] x86/MCE/AMD, EDAC/mce_amd: Add new SMCA bank types Borislav Petkov
2021-05-24 16:41   ` Chatradhi, Naveen Krishna
2021-05-25 18:02     ` Borislav Petkov
2021-05-25 20:03       ` Yazen Ghannam
2021-05-25 20:12         ` Borislav Petkov
2021-05-26 16:46 ` [PATCH v2] " Naveen Krishna Chatradhi

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