linux-kernel - Re: [PATCH] Export irq tracepoints for use by kernel modules

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Message-ID: <20140422150345.GA19099@infradead.org>
Date:	Tue, 22 Apr 2014 08:03:45 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Drew Richardson <drew.richardson@....com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Joe Perches <joe@...ches.com>,
	Ben Greear <greearb@...delatech.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Pawel Moll <Pawel.Moll@....com>
Subject: Re: [PATCH] Export irq tracepoints for use by kernel modules

On Tue, Apr 22, 2014 at 08:00:31AM -0700, Drew Richardson wrote:
> Gator (http://git.linaro.org/arm/ds5/gator.git), an out of tree kernel
> module, uses irq_handler_exit and softirq_exit. I thought it would be
> helpful to export the other tracepoints from trace/events/irq.h in
> case other users encountered a similar issue.

None of them should be exported unless we have in-tree modular users.
And I don't think adding modular users for either of them is a good idea
to start with.

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