linux-kernel - Re: [RFC patch 08/18] cnt32_to_63 should use smp

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Message-ID: <alpine.LFD.2.00.0811071034520.3468@nehalem.linux-foundation.org>
Date:	Fri, 7 Nov 2008 10:36:27 -0800 (PST)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	dhowells@...hat.com, nico@....org, mingo@...e.hu,
	a.p.zijlstra@...llo.nl, linux-kernel@...r.kernel.org,
	ralf@...ux-mips.org, benh@...nel.crashing.org, paulus@...ba.org,
	davem@...emloft.net, mingo@...hat.com, tglx@...utronix.de,
	rostedt@...dmis.org, linux-arch@...r.kernel.org
Subject: Re: [RFC patch 08/18] cnt32_to_63 should use smp_rmb()



On Fri, 7 Nov 2008, Andrew Morton wrote:
> 
> Referring to include/linux/tracepoint.h:DEFINE_TRACE()?
> 
> It does look a bit fragile.  Does every .c file which included
> include/trace/block.h get a copy of __tracepoint_block_rq_issue,
> whether or not it used that tracepoint? Hopefully not.

Look at "ratelimit()" too. Broken, broken.  Of course, I don't think it's 
actually _used_ anywhere, so..

		Linus
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