linux-kernel - Re: [RFC PATCH 0/3] x86/RAS: Dump error record to dmesg if no consumers

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Message-ID: <20161107073731.GA3963@gmail.com>
Date:   Mon, 7 Nov 2016 08:37:31 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Tony Luck <tony.luck@...el.com>,
        linux-edac <linux-edac@...r.kernel.org>, X86 ML <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [RFC PATCH 0/3] x86/RAS: Dump error record to dmesg if no
 consumers


* Borislav Petkov <bp@...en8.de> wrote:

> From: Borislav Petkov <bp@...e.de>
> 
> Right,
> 
> so this is not a good thing: systems may not have any error record
> consumers registered and in such cases, any logged MCEs disappear into
> the void. And this shouldn't happen.
> 
> So let's dump them to dmesg as a last resort.
> 
> Borislav Petkov (3):
>   notifiers: Document notifier priority
>   x86/RAS: Add TSC to the injected MCE
>   x86/MCE: Dump MCE to dmesg if no consumers
> 
>  arch/x86/kernel/cpu/mcheck/mce.c | 52 +++++++++++++++++++++++++++++++++++-----
>  arch/x86/ras/mce_amd_inj.c       |  2 ++
>  include/linux/notifier.h         |  1 +
>  3 files changed, 49 insertions(+), 6 deletions(-)

Sounds good to me!

Thanks,

	Ingo