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From: Andy Lutomirski <luto@kernel.org>
Date: Sat, 30 Sep 2017 09:04:15 -0700
Message-ID: <CALCETrXqf29VgwUhJznmrz0jpHkppVhB=eg5dSrZ6TFH2dtGvQ@mail.gmail.com>
Subject: Re: random insta-reboots on AMD Phenom II
To: Borislav Petkov <bp@alien8.de>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>,
        Adam Borowski <kilobyte@angband.pl>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Andy Lutomirski <luto@kernel.org>, x86-ml <x86@kernel.org>
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On Sat, Sep 30, 2017 at 8:50 AM, Borislav Petkov <bp@alien8.de> wrote:
> On Sat, Sep 30, 2017 at 02:47:11PM +0200, Markus Trippelsdorf wrote:
>> Changing the TLB code so late might not be a good idea...
>
> The new lazy code is too risky to keep as we don't know what else will
> break. The conservative and thus safe thing to do is to revert to the
> old behavior for old machines.

Agreed.

The only problem is that the code has changed so much on top of the
problematic commit that just reverting it won't work.

>
> --
> Regards/Gruss,
>     Boris.
>
> Good mailing practices for 400: avoid top-posting and trim the reply.