Re: [Xen-devel] [PATCHv1 3/4] spinlock: shrink struct lock_debug

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 18.12.15 at 15:09, <david.vrabel@xxxxxxxxxx> wrote:

> --- a/xen/common/spinlock.c
> +++ b/xen/common/spinlock.c
> @@ -16,7 +16,7 @@ static atomic_t spin_debug __read_mostly = ATOMIC_INIT(0);
>  
>  static void check_lock(struct lock_debug *debug)
>  {
> -    int irq_safe = !local_irq_is_enabled();
> +    s16 irq_safe = !local_irq_is_enabled();
>  
>      if ( unlikely(atomic_read(&spin_debug) <= 0) )
>          return;

I can't figure out why this odd looking change is needed. 

Jan


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