Re: [PATCH] x86_64 irq: check remote IRR bit before migrating level triggered irq (v2)

[Ingo Molnar <mingo@elte.hu>]

looks good to me:

  Acked-by: Ingo Molnar <mingo@elte.hu>

with a few minor style nits:

> +static int io_apic_level_ack_pending(unsigned int irq)
> +{
> +	struct irq_pin_list *entry;
> +	unsigned long flags;
> +	int pending = 0;
> +	spin_lock_irqsave(&ioapic_lock, flags);

newline after variable sections please.

> +	entry = irq_2_pin + irq;
> +	for (;;) {
> +		unsigned int reg;
> +		int pin;
> +		pin = entry->pin;

ditto.

> +		if (pin == -1)
> +			break;
> +		reg = io_apic_read(entry->apic, 0x10 + pin*2);
> +		/* Is the remote IRR bit set? */
> +		pending |= (reg >> 14) & 1;
> +		if (!entry->next)
> +			break;
> +		entry = irq_2_pin + entry->next;
> +	}
> +	spin_unlock_irqrestore(&ioapic_lock, flags);
> +	return pending;

optional: it looks a bit better with a newline before the 'return' 
statement.

> +}
> +
> +

and here there's one too much newline :-)

	Ingo