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Subject: Re: [PATCH] tracing: Cleanup the convoluted softirq tracepoints
From: Steven Rostedt <rostedt@goodmis.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Thomas Gleixner <tglx@linutronix.de>,
        Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
        Koki Sanagi <sanagi.koki@jp.fujitsu.com>,
        Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@elte.hu>,
        Frederic Weisbecker <fweisbec@gmail.com>, nhorman@tuxdriver.com,
        scott.a.mcmillan@intel.com, laijs@cn.fujitsu.com,
        LKML <linux-kernel@vger.kernel.org>, eric.dumazet@gmail.com,
        kaneshige.kenji@jp.fujitsu.com, David Miller <davem@davemloft.net>,
        izumi.taku@jp.fujitsu.com, kosaki.motohiro@jp.fujitsu.com,
        Heiko Carstens <heiko.carstens@de.ibm.com>,
        "Luck, Tony" <tony.luck@intel.com>
In-Reply-To: <4CBE2C1B.6070500@zytor.com>
References: <tip-2bf2160d8805de64308e2e7c3cd97813cb58ed2f@git.kernel.org>
	 <20100908112529.GA25931@elte.hu> <1287395077.29097.1543.camel@twins>
	 <1287398936.29097.1548.camel@twins> <4CBD79CF.2060706@jp.fujitsu.com>
	 <alpine.LFD.2.00.1010191428560.6815@localhost6.localdomain6>
	 <20101019132236.GA19197@Krystal>
	 <alpine.LFD.2.00.1010191524160.6815@localhost6.localdomain6>
	 <1287496495.16971.372.camel@gandalf.stny.rr.com>
	 <alpine.LFD.2.00.1010191558250.6815@localhost6.localdomain6>
	 <20101019142820.GA14520@Krystal>
	 <alpine.LFD.2.00.1010191842270.6815@localhost6.localdomain6>
	 <1287521757.16971.397.camel@gandalf.stny.rr.com>
	 <alpine.LFD.2.00.1010192302000.6815@localhost6.localdomain6>
	 <1287523439.16971.433.camel@gandalf.stny.rr.com>
	 <4CBE122B.9020807@zytor.com>
	 <1287527005.16971.527.camel@gandalf.stny.rr.com>
	 <364b3c9b09b8b02f6804634a2fc927b4.squirrel@programming.kicks-ass.net>
	 <4CBE2C1B.6070500@zytor.com>
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Date: Tue, 19 Oct 2010 19:45:42 -0400
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On Tue, 2010-10-19 at 16:39 -0700, H. Peter Anvin wrote:

> The key here seems to be to not use the JUMP_LABEL macro as implemented;
> I have utterly failed to make JUMP_LABEL() do the right thing.

What happens if you remove the do { } while (0) from JUMP_LABEL, since
it now just makes it into a asm()

-- Steve