linux-kernel - RE: [regression] Latest git has WARN

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Message-ID: <36D9DB17C6DE9E40B059440DB8D95F520655F9A0@orsmsx418.amr.corp.intel.com>
Date:	Fri, 3 Oct 2008 09:25:06 -0700
From:	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>
To:	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	"Christian Borntraeger" <borntraeger@...ibm.com>
Cc:	"Thomas Gleixner" <tglx@...utronix.de>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Arjan van de Ven" <arjan@...radead.org>
Subject: RE: [regression] Latest git has WARN_ON storm with e1000e driver

Linus Torvalds wrote:
> So this whole bug is actually because that debug test is just
> _broken_. It shouldn't be WARN_ON(preempt_count()), it should be
> 'might_sleep()', which does it right.
> 
> The right thing to check is "in_atomic() || irqs_disabled()".

okay, do you want me to post a patch?  I think Thomas is probably
offline due to fridaynightitis.  Change the code to:?

WARN_ON(in_atomic() || irqs_disabled);
 
> Duh. That was wasted effort for a buggy test.

Apologies for not catching it.
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