linux-kernel - Re: [PATCH RT] convert RCU Preempt tasklet into softirq.

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Message-Id: <1181331828.10408.34.camel@localhost.localdomain>
Date:	Fri, 08 Jun 2007 15:43:48 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	paulmck@...ux.vnet.ibm.com
Cc:	john stultz <johnstul@...ibm.com>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Oleg Nesterov <oleg@...sign.ru>,
	LKML <linux-kernel@...r.kernel.org>,
	Dipankar Sarma <dipankar@...ibm.com>,
	RT <linux-rt-users@...r.kernel.org>
Subject: Re: [PATCH RT] convert RCU Preempt tasklet into softirq.

On Fri, 2007-06-08 at 12:36 -0700, Paul E. McKenney wrote:
> On Fri, Jun 08, 2007 at 11:27:08AM -0400, Steven Rostedt wrote:

> > The first time I compiled it, I forgot the ';' and got a warning there.
> > But the warning also included "declaring structure softirq_action in
> > prototype", so I fixed both the ';' and added the struct. I can try
> > compile without it. But I also know that adding #include <interrupt.h>
> > in rcupreempt.h caused issues too.
> 
> If I leave out both the "struct softirq_action" and the
> rcu_process_callbacks() declaration,, it compiles for me.
> 
> So I guess the rcu_process_callbacks() should be declared static...

OK, I can update the patch to reflect that. Remember, I didn't learn
anything from doing this patch, so I have no idea why
rcu_procell_callbacks was global. I was just keeping to the norm. :-)

Actually, I'll make a separate patch for this change. This is a
different issue.

-- Steve


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