Re: [PATCH 12/21] Staging: hv: Cleanup irq management

[Thomas Gleixner]

On Thu, 10 Mar 2011, K. Y. Srinivasan wrote:
> Now that vmbus_driver is a platform pci driver,
> cleanup the irq allocation mess by using the standard
> irq allocation mechanisms.
> 
> Note that this patch generates an error when the checkpatch
> script is run because of the IRQF_SAMPLE_RANDOM flag used in
> request_irq() function. This interrupt is the only
> external event this VM will get and consequently if this
> flag (IRQF_SAMPLE_RANDOM) is not  specified, experimentally
> we have shown that the entropy in the VM will very very low.

Fair enough. We need to come up with some way to work around
this though.
 
>  	}
> -	vector = VMBUS_IRQ_VECTOR;
>  
> -	DPRINT_INFO(VMBUS_DRV, "irq 0x%x vector 0x%x", vmbus_irq, vector);
> +	vector = IRQ0_VECTOR + pdev->irq;
> +	DPRINT_INFO(VMBUS_DRV, "irq 0x%x vector 0x%x", pdev->irq,
> +			IRQ0_VECTOR + pdev->irq);

Why evaluating vector first and then not using it for that debug print
thingy?

Btw, are you going to replace that DPRINT_* stuff as well ?

Thanks,

	tglx
--
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/