linux-kernel - Re: [PATCH] nohz: Make tick_nohz_irq

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Message-ID: <CA+55aFwj0bVS0H1YBMq9EHbkYrU7-so8S6onCKs2M1Q+g4AmNA@mail.gmail.com>
Date:	Thu, 21 Feb 2013 10:28:04 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	stable <stable@...r.kernel.org>
Subject: Re: [PATCH] nohz: Make tick_nohz_irq_exit() irq safe

On Thu, Feb 21, 2013 at 10:21 AM, Thomas Gleixner <tglx@...utronix.de> wrote:
>
> This was a draft patch. I made it a WARN_ON_ONCE() already.

Ok, good.

I really wish we could just get rid of BUG_ON(). It was a bad idea,
and it makes it easy for people to do the wrong thing. Sadly, we have
tons of them.

                        Linus
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