linux-kernel - Re: [PATCH 1/2] x86, MCE: Do not taint when handling correctable errors

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Message-ID: <20110421093554.GB4262@elte.hu>
Date:	Thu, 21 Apr 2011 11:35:54 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	"Chumbalkar, Nagananda" <Nagananda.Chumbalkar@...com>
Cc:	Borislav Petkov <bp@...64.org>, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Prarit Bhargava <prarit@...hat.com>,
	Tony Luck <tony.luck@...el.com>, Russ Anderson <rja@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	EDAC devel <linux-edac@...r.kernel.org>,
	Borislav Petkov <borislav.petkov@....com>
Subject: Re: [PATCH 1/2] x86, MCE: Do not taint when handling correctable
 errors


* Chumbalkar, Nagananda <Nagananda.Chumbalkar@...com> wrote:

> Would it be okay to extend this reasoning and also remove the tainting 
> caused by TM1/TM2 thermal events:
> 
> diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c
> b/arch/x86/kernel/cpu/mcheck/therm_throt.c
> index 6f8c5e9..9f3b5ae 100644
> --- a/arch/x86/kernel/cpu/mcheck/therm_throt.c
> +++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c
> @@ -188,7 +188,6 @@ static int therm_throt_process(bool new_event, int event,
> int level)
>                                 level == CORE_LEVEL ? "Core" : "Package",
>                                 state->count);
> 
> -               add_taint(TAINT_MACHINE_CHECK);
>                 return 1;
>         }
>         if (old_event) {
> @@ -393,7 +392,6 @@ static void unexpected_thermal_interrupt(void)
> {
>         printk(KERN_ERR "CPU%d: Unexpected LVT thermal interrupt!\n",
>                         smp_processor_id());
> -       add_taint(TAINT_MACHINE_CHECK);
> }

Mind sending a proper patch, with changelog, signoff, acks, etc?

Thanks,

	Ingo
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