Re: pci_get_dev_by_id() from interrupt handlers

From: Peter Zijlstra
Date: Wed Apr 21 2010 - 06:21:21 EST


On Wed, 2010-04-21 at 12:05 +0200, Joerg Roedel wrote:
>
> > Why not do the whole thing in an interrupt task as the whole thing
> > sounds like something that shouldn't be done in interrupt context,
> > right? Now that we have this type of functionality, we should take
> > advantage of it :)
>
> Ok, I think I move the IOMMU interrupt handling to a tasklet.
>
tasklet is softirq context, and is not what gregkh was talking about.

You'd still need to change the klist spinlock to be softirq-safe.

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