linux-kernel - Re: [PATCH] x86/mce: fix mce_restart() race with CPU hotplug operation

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Message-ID: <20150503093757.GD18048@pd.tnic>
Date:	Sun, 3 May 2015 11:37:57 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Ethan Zhao <ethan.kernel@...il.com>
Cc:	Ethan Zhao <ethan.zhao@...cle.com>, tony.luck@...el.com,
	Thomas Gleixner <tglx@...utronix.de>, mingo@...hat.com,
	hpa@...or.com, x86@...nel.org, linux-edac@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>, tim.uglow@...cle.com
Subject: Re: [PATCH] x86/mce: fix mce_restart() race with CPU hotplug
 operation

On Fri, May 01, 2015 at 02:03:48PM +0800, Ethan Zhao wrote:
> > For the record, it is a public secret that CPU hotplug is broken. IOW,
> > you're wasting your time with those senseless pounder tests but ok.
> 
>   :<,  Someone else is stressing the CPU hotplug, seems it is fragile.
> My job is holding the system, not panic to the ground.

Please forward my message to that someone else then. The whole world
knows CPU hotplug is fragile and there are people working on improving
that. There's no need for you guys to pound on it, we know it is broken.
I'm sure you can find a lot other things in the kernel to pound on.
Things which make a lot more sense than CPU hotplug.

Thanks.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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