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Date: Fri, 22 Feb 2013 16:06:55 +0100 (CET)
From: Thomas Gleixner <tglx@linutronix.de>
To: Frederic Weisbecker <fweisbec@gmail.com>
cc: LKML <linux-kernel@vger.kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Ingo Molnar <mingo@kernel.org>, Peter Zijlstra <peterz@infradead.org>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: Re: [PATCH 2/2] irq: Cleanup context state transitions in
 irq_exit()
In-Reply-To: <20130222150444.GD18149@somewhere.redhat.com>
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On Fri, 22 Feb 2013, Frederic Weisbecker wrote:
> On Fri, Feb 22, 2013 at 03:33:51PM +0100, Thomas Gleixner wrote:
> > The minimal extra check at the end of irq_exit() is way better than
> > any other special cased workaround and the softirq stuff is really the
> > only thing which needs to be taken care of. Anything else just works.
> 
> Yeah that's indeed a point in favour of this patch.
> 
> I prefer to let you guys have the final word on this patch. Whether you
> apply it or not, I fear I'll never be entirely happy either way :)
> That's the sad fate of dealing with circular dependencies...

plus the butt ugly softirq semantics or the lack thereof ...