linux-kernel - RE: [PATCH v2 13/16] x86/mce: Unify AMD DFR handler with MCA Polling

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Message-ID: <CY8PR11MB7134D8A672FE9F10305546DB89C42@CY8PR11MB7134.namprd11.prod.outlook.com>
Date: Thu, 20 Feb 2025 01:41:21 +0000
From: "Zhuo, Qiuxu" <qiuxu.zhuo@...el.com>
To: Yazen Ghannam <yazen.ghannam@....com>
CC: "x86@...nel.org" <x86@...nel.org>, "Luck, Tony" <tony.luck@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
	"Smita.KoralahalliChannabasappa@....com"
	<Smita.KoralahalliChannabasappa@....com>
Subject: RE: [PATCH v2 13/16] x86/mce: Unify AMD DFR handler with MCA Polling

> From: Yazen Ghannam <yazen.ghannam@....com>
> [...]
> > Is the following check in machine_check_poll() needed before
> > queuing/logging AMD's deferred error?
> >
> >        if (mca_cfg.dont_log_ce && !mce_usable_address(m))
> >              //Just clear MCA_STATUS, but not queue/log errors.
> >
> 
> Good question. Deferred errors are uncorrectable errors that don't need
> immediate action. They are not correctable errors, so the 'dont_log_ce'
> flag shouldn't apply.

Thanks for the explanation. 
How about the 2nd check "mce_usable_address(m)"?

-Qiuxu