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DateMon, 29 May 2006 18:35:56 -0700
FromAndrew Morton <>
SubjectRe: [patch 50/61] lock validator: special locking: hrtimer.c
On Mon, 29 May 2006 23:27:09 +0200
Ingo Molnar <mingo@elte.hu> wrote:

> From: Ingo Molnar <mingo@elte.hu>
> 
> teach special (recursive) locking code to the lock validator. Has no
> effect on non-lockdep kernels.
> 
> Signed-off-by: Ingo Molnar <mingo@elte.hu>
> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
> ---
>  kernel/hrtimer.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Index: linux/kernel/hrtimer.c
> ===================================================================
> --- linux.orig/kernel/hrtimer.c
> +++ linux/kernel/hrtimer.c
> @@ -786,7 +786,7 @@ static void __devinit init_hrtimers_cpu(
>  	int i;
> 
>  	for (i = 0; i < MAX_HRTIMER_BASES; i++, base++)
> -		spin_lock_init(&base->lock);
> +		spin_lock_init_static(&base->lock);
>  }
> 

Perhaps the validator core's implementation of spin_lock_init() could look
at the address and work out if it's within the static storage sections.

-
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