linux-kernel - Re: [PATCH tip/core/rcu 06/23] rcu: Break up rcu_gp

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Message-ID: <1346958541.18408.67.camel@twins>
Date:	Thu, 06 Sep 2012 21:09:01 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Josh Triplett <josh@...htriplett.org>
Cc:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, mingo@...e.hu, laijs@...fujitsu.com,
	dipankar@...ibm.com, akpm@...ux-foundation.org,
	mathieu.desnoyers@...ymtl.ca, niv@...ibm.com, tglx@...utronix.de,
	rostedt@...dmis.org, Valdis.Kletnieks@...edu, dhowells@...hat.com,
	eric.dumazet@...il.com, darren@...art.com, fweisbec@...il.com,
	sbw@....edu, patches@...aro.org
Subject: Re: [PATCH tip/core/rcu 06/23] rcu: Break up rcu_gp_kthread() into
 subfunctions

On Thu, 2012-09-06 at 11:49 -0700, Josh Triplett wrote:
> 
> Huh, I thought GCC knew to not emit that warning unless it actually
> found control flow reaching the end of the function; since the
> infinite
> loop has no break in it, you shouldn't need the return.  Annoying. 

tag the function with __noreturn
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