linux-kernel - Re: [PATCH] jump label: close race in jump_label_inc() vs. jump_label

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Message-ID: <20120105153859.GB10850@redhat.com>
Date:	Thu, 5 Jan 2012 10:38:59 -0500
From:	Jason Baron <jbaron@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	gleb@...hat.com, a.p.zijlstra@...llo.nl,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] jump label: close race in jump_label_inc() vs.
 jump_label_dec()

On Thu, Jan 05, 2012 at 10:34:24AM -0500, Steven Rostedt wrote:
> On Thu, 2012-01-05 at 10:30 -0500, Jason Baron wrote:
> 
> > That said, until we have a use-case that would excercise this race,
> > I'm ok with having it be a higher level bug as Gleb pointed out. So how about a
> > WARN() for this case. I'll send as a separate patch, if people are ok
> > with it.
> 
> You mean a WARN_ON(key->enabled < 0) ?
> 

yes.

> for that, yeah I'm fine with it.
> 
> -- Steve

Ok, I'll post a patch for that.

Thanks,

-Jason
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