Re: [PATCH v10 4/4] x86: Create a new synthetic cpu capability for machine check recovery

From	"Luck, Tony" <tony.luck@intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v10 4/4] x86: Create a new synthetic cpu capability for machine check recovery
Date	2016-02-10 00:40 +0100
Message-ID	<r0q2Z-2zi-1@gated-at.bofh.it> (permalink)
References	<qYzaq-74b-7@gated-at.bofh.it> <qYzaq-74b-9@gated-at.bofh.it> <qZBaa-O0-17@gated-at.bofh.it>
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> > +	if (mca_cfg.recovery || (mca_cfg.ser &&
> > +		!strncmp(c->x86_model_id, "Intel(R) Xeon(R) CPU E7-", 24)))
> 
> Eeww, a model string check :-(
> 
> Lemme guess: those E7s can't be represented by a range of
> model/steppings, can they?

We use the same model number for E5 and E7 series. E.g. 63 for Haswell.
The model_id string seems to be the only way to tell ahead of time
whether you will get a recoverable machine check or die when you
touch uncorrected memory.

-Tony

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Re: [PATCH v10 4/4] x86: Create a new synthetic cpu capability for  machine check recovery "Luck, Tony" <tony.luck@intel.com> - 2016-02-10 00:40 +0100
  Re: [PATCH v10 4/4] x86: Create a new synthetic cpu capability for  machine check recovery Borislav Petkov <bp@alien8.de> - 2016-02-10 12:10 +0100
    Re: [PATCH v10 4/4] x86: Create a new synthetic cpu capability for  machine check recovery "Luck, Tony" <tony.luck@intel.com> - 2016-02-10 20:30 +0100
      Re: [PATCH v10 4/4] x86: Create a new synthetic cpu capability for  machine check recovery Borislav Petkov <bp@alien8.de> - 2016-02-11 13:00 +0100

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