On Tue, Aug 26, 2008 at 01:00:44PM -0700, Harvey Harrison wrote:
quoted text
> kernel/rcuclassic.c:564:18: warning: symbol 'flags' shadows an earlier one
> kernel/rcuclassic.c:527:16: originally declared here

Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

quoted text
> Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
> ---
> It would be safe in this case to just remove the second declaration of flags
> and reuse it as it is outside the local_irq_save/restore pair.  I did it this
> way in case there are future changes that might mix up the use of flags.
> 
> Feel free to just remove the second flags declaration if you'd rather do it
> that way.
> 
>  kernel/rcuclassic.c |    6 +++---
>  1 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c
> index 743cf05..ed15128 100644
> --- a/kernel/rcuclassic.c
> +++ b/kernel/rcuclassic.c
> @@ -561,15 +561,15 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp,
>  		local_irq_restore(flags);
> 
>  		if (rcu_batch_after(rdp->batch, rcp->pending)) {
> -			unsigned long flags;
> +			unsigned long flags2;
> 
>  			/* and start it/schedule start if it's a new batch */
> -			spin_lock_irqsave(&rcp->lock, flags);
> +			spin_lock_irqsave(&rcp->lock, flags2);
>  			if (rcu_batch_after(rdp->batch, rcp->pending)) {
>  				rcp->pending = rdp->batch;
>  				rcu_start_batch(rcp);
>  			}
> -			spin_unlock_irqrestore(&rcp->lock, flags);
> +			spin_unlock_irqrestore(&rcp->lock, flags2);
>  		}
>  	}
> 
> -- 
> 1.6.0.340.g84854
> 
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