linux-kernel - Re: [PATCH] EDAC/sb_edac: Fix top-of-high-memory value for Broadwell/Haswell

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Date:   Mon, 11 Oct 2021 08:34:37 -0700
From:   "Luck, Tony" <tony.luck@...el.com>
To:     Eric Badger <ebadger@...estorage.com>
Cc:     Meeta Saggi <msaggi@...estorage.com>,
        Qiuxu Zhuo <qiuxu.zhuo@...el.com>,
        Borislav Petkov <bp@...en8.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        James Morse <james.morse@....com>,
        Robert Richter <rric@...nel.org>,
        "open list:EDAC-SBRIDGE" <linux-edac@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] EDAC/sb_edac: Fix top-of-high-memory value for
 Broadwell/Haswell

On Sun, Oct 10, 2021 at 10:06:56AM -0700, Eric Badger wrote:
> The computation of TOHM is off by one bit. This missed bit results in
> too low a value for TOHM, which can cause errors in regular memory to
> incorrectly report:
> 
>   EDAC MC0: 1 CE Error at MMIOH area, on addr 0x000000207fffa680 on any memory
> 
> Reported-by: Meeta Saggi <msaggi@...estorage.com>
> Signed-off-by: Eric Badger <ebadger@...estorage.com>

Applied (with added Fixes: tag and Cc: stable).

Thanks

-Tony