Messages in this thread | | | Date | Wed, 21 Apr 2010 12:41:38 +0200 | From | Joerg Roedel <> | Subject | Re: pci_get_dev_by_id() from interrupt handlers |
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On Wed, Apr 21, 2010 at 12:21:11PM +0200, Peter Zijlstra wrote: > 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.
Ah right. Thanks for pointing this out. I couldn't find much about the interrupt tasks. Is it about the request_threaded_irq interface? And this would be run in the context of a kernel thread, right?
Joerg
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