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Message-Id: <20090721.201855.32703627.davem@davemloft.net> Date: Tue, 21 Jul 2009 20:18:55 -0700 (PDT) From: David Miller <davem@...emloft.net> To: peterz@...radead.org Cc: torvalds@...ux-foundation.org, tglx@...utronix.de, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, kaber@...sh.net Subject: Re: [patch 1/3] net: serialize hrtimer callback in sched_cbq From: Peter Zijlstra <peterz@...radead.org> Date: Fri, 17 Jul 2009 14:14:52 +0200 > On Tue, 2009-07-14 at 09:42 -0700, Linus Torvalds wrote: >> >> On Tue, 14 Jul 2009, Peter Zijlstra wrote: >> > >> > Linus really hated the softirq mode, which is what prompted me to change >> > that. >> > >> > Now, it might be he only hated the particular interface and the >> > resulting code, but I think to remember he simply thought the whole >> > thing daft. >> >> Yes. And I hated the bugs it had. >> >> Don't make something as core as timers any more complicated. Don't take >> locks in timers and then complain about deadlocks. If your locking is >> broken, don't make the core timers be idiotically broken. >> >> Because it was. The code was a total mess to follow, and had bugs. > > How would something like the below work for people? I like it, but like Linus said it probably belongs in kernel/softirq.c -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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