Re: [PATCH 4/4] xen/spinlock: Fix check from greater than to be alsobe greater or equal to.

From: Stefano Stabellini
Date: Mon May 06 2013 - 10:58:10 EST


On Mon, 6 May 2013, Konrad Rzeszutek Wilk wrote:
> During review of git commit cb9c6f15f318aa3aeb62fe525aa5c6dcf6eee159
> ("xen/spinlock: Check against default value of -1 for IRQ line.")
> Stefano pointed out a bug in the patch. Unfortunatly due to vacation
> timing the fix was not applied and this patch fixes it up.
>
> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>


> arch/x86/xen/spinlock.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
> index 8b54603..3002ec1 100644
> --- a/arch/x86/xen/spinlock.c
> +++ b/arch/x86/xen/spinlock.c
> @@ -364,7 +364,7 @@ void __cpuinit xen_init_lock_cpu(int cpu)
> int irq;
> const char *name;
>
> - WARN(per_cpu(lock_kicker_irq, cpu) > 0, "spinlock on CPU%d exists on IRQ%d!\n",
> + WARN(per_cpu(lock_kicker_irq, cpu) >= 0, "spinlock on CPU%d exists on IRQ%d!\n",
> cpu, per_cpu(lock_kicker_irq, cpu));
>
> /*
> --
> 1.8.1.4
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/