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()
Date: Fri, 22 Feb 2013 16:06:55 +0100 (CET) [thread overview]
Message-ID: <alpine.LFD.2.02.1302221605520.22263@ionos> (raw)
In-Reply-To: <20130222150444.GD18149@somewhere.redhat.com>
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 ...
next prev parent reply other threads:[~2013-02-22 15:07 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-22 1:36 [PATCH 0/2] irq: Cleanups " Frederic Weisbecker
2013-02-22 1:36 ` [PATCH 1/2] irq: Remove IRQ_EXIT_OFFSET workaround Frederic Weisbecker
2013-02-22 1:36 ` [PATCH 2/2] irq: Cleanup context state transitions in irq_exit() Frederic Weisbecker
2013-02-22 14:33 ` Thomas Gleixner
2013-02-22 15:04 ` Frederic Weisbecker
2013-02-22 15:06 ` Thomas Gleixner [this message]
2013-02-22 21:08 ` Linus Torvalds
2013-02-23 18:21 ` Frederic Weisbecker
2013-02-23 19:24 ` Linus Torvalds
2013-02-26 12:15 ` Thomas Gleixner
2013-02-26 14:28 ` Frederic Weisbecker
2013-02-26 15:14 ` Thomas Gleixner
2013-02-26 16:27 ` Frederic Weisbecker
2013-02-26 16:39 ` Paul E. McKenney
2013-02-26 18:55 ` Thomas Gleixner
2013-02-26 19:17 ` Paul E. McKenney
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