[PATCH 3/4] ARM: CPU hotplug: pass in proper affinity mask on IRQ migration

[Santosh Shilimkar]

On 7/21/2011 8:55 PM, Russell King - ARM Linux wrote:
> Now that the GIC takes care of selecting a target interrupt from the
> affinity mask, we don't need all this complexity in the core code
> anymore.  Just detect when we need to break affinity.
>
> Signed-off-by: Russell King<rmk+kernel at arm.linux.org.uk>
> ---
>   arch/arm/kernel/irq.c |   10 ++++------
>   1 files changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
> index d7aa5c9..ab63c05 100644
> --- a/arch/arm/kernel/irq.c
> +++ b/arch/arm/kernel/irq.c
> @@ -133,17 +133,15 @@ int __init arch_probe_nr_irqs(void)
>
>   static bool migrate_one_irq(struct irq_data *d)
>   {
> -	unsigned int cpu = cpumask_any_and(d->affinity, cpu_online_mask);
> +	const struct cpumask *affinity = d->affinity;
>   	bool ret = false;
>
> -	if (cpu>= nr_cpu_ids) {
> -		cpu = cpumask_any(cpu_online_mask);
> +	if (cpumask_any_and(affinity, cpu_online_mask)>= nr_cpu_ids) {
> +		affinity cpu_online_mask;

I noticed, you missed '=' above and same is corrected in PATCH 4/4.
Should be fixed in this patch itself to avoid git-bisect breakage.

Regards
Santosh