Re: [PATCH 06/11] asmlinkage: Make trace_hardirq visible

From: Peter Zijlstra
Date: Tue Oct 22 2013 - 16:19:11 EST


On Tue, Oct 22, 2013 at 09:12:21AM -0700, Andi Kleen wrote:
> From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
>
> Can be called from assembler code.
>
> Cc: peterz@xxxxxxxxxxxxx
> Cc: mingo@xxxxxxxxxx
> Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
> ---
> 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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