From: Borislav Petkov <bp@alien8.de>
To: Chen Yucong <slaoub@gmail.com>
Cc: tony.luck@intel.com, tglx@linutronix.de, hpa@zytor.com,
linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86, MCE, AMD: detect the threshold at the initialization period
Date: Tue, 30 Sep 2014 13:52:29 +0200 [thread overview]
Message-ID: <20140930115229.GE4639@pd.tnic> (raw)
In-Reply-To: <1411616289-28684-1-git-send-email-slaoub@gmail.com>
On Thu, Sep 25, 2014 at 11:38:09AM +0800, Chen Yucong wrote:
> ADM64 APM Volume 2 (9.3.2 Error-Reporting Register Banks)documents
> that the size of threshold counter is implementation-dependent, and
> the implementations with less than 16 bits fill the most significant
> unimplemented bits with zeros. So THRESHOLD_MAX should be detected
> at the initialization period rather than a constant.
>
> On the other hand, Error Counter (ERRCT) is bits 47:32, and accordingly
> MASK_ERR_COUNT_HI should be 0x0000FFFF instead of 0x00000FFF.
All the families currently use 12 bits only, i.e. slice [43:32] so
there's no need for changing the current code. We'll address it when it
is actually needed.
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
prev parent reply other threads:[~2014-09-30 11:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-25 3:38 Chen Yucong
2014-09-30 11:52 ` Borislav Petkov [this message]
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