linux-kernel - Re: [PATCH 06/11] asmlinkage: Make trace

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Message-ID: <20131022201848.GC2490@laptop.programming.kicks-ass.net>
Date:	Tue, 22 Oct 2013 22:18:48 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	Andi Kleen <ak@...ux.intel.com>, mingo@...nel.org
Subject: Re: [PATCH 06/11] asmlinkage: Make trace_hardirq visible

On Tue, Oct 22, 2013 at 09:12:21AM -0700, Andi Kleen wrote:
> From: Andi Kleen <ak@...ux.intel.com>
> 
> Can be called from assembler code.
> 
> Cc: peterz@...radead.org
> Cc: mingo@...nel.org
> Signed-off-by: Andi Kleen <ak@...ux.intel.com>
> ---
>  kernel/lockdep.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/lockdep.c b/kernel/lockdep.c
> index d3749fe..d1a047d 100644
> --- a/kernel/lockdep.c
> +++ b/kernel/lockdep.c
> @@ -2555,7 +2555,7 @@ static void __trace_hardirqs_on_caller(unsigned long ip)
>  	debug_atomic_inc(hardirqs_on_events);
>  }
>  
> -void trace_hardirqs_on_caller(unsigned long ip)
> +__visible void trace_hardirqs_on_caller(unsigned long ip)
>  {
>  	time_hardirqs_on(CALLER_ADDR0, ip);
>  

$sub talks about asmlinkage, yet here you insert __visible; 'sup?
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