[PATCH 12/21] Staging: hv: Cleanup irq management
tglx at linutronix.de
Thu Mar 10 14:46:08 PST 2011
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
> - 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
Btw, are you going to replace that DPRINT_* stuff as well ?
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