Re: [PATCH] iommu/vt-d: fix race between free_irte() and get_irte()

[Joerg Roedel]

On Tue, Jul 22, 2014 at 08:27:19AM -0600, Greg Edwards wrote:
> get_irte() can race with free_irte() and dereference a NULL iommu
> pointer.

Have you seen any real occurance of this race? Get_irte is called in the
set_affinity path, how can that race with the irq being freed?


	Joerg

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