linux-kernel - Re: [PATCH 2/2] x86/mce/amd: Ensure quirks are applied in resume path as well

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Message-ID: <20190114103312.GG2773@zn.tnic>
Date:   Mon, 14 Jan 2019 11:33:12 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     "S, Shirish" <Shirish.S@....com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H . Peter Anvin" <hpa@...or.com>,
        "maintainer : X86 ARCHITECTURE" <x86@...nel.org>,
        Tony Luck <tony.luck@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        "open list : X86 ARCHITECTURE" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] x86/mce/amd: Ensure quirks are applied in resume
 path as well

On Thu, Jan 10, 2019 at 08:04:49AM +0000, S wrote:
> Perhaps no need to check the model altogether, this is applicable to 
> entire family 15, since there is no 8th Gen.

I wouldn't be so sure. At the time I did this, we excluded models >=
0x10 but I don't remember why anymore. You need to check with hw folks
whether you can really do this for the whole family.

> I have summarized this sequence after capturing the call trace in both 
> scenarios.
> 
> Its clear that the quirks are not applied during S3-> S0 transition, 
> hence the patch.

Ok.

Btw, fix your mailer: It has an empty from:

From: S

which, when I do "reply-to-all" here, generates an empty To: too.

Thx.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.