Messages in this thread | | | Date | Thu, 10 Jan 2013 18:09:43 +0100 | From | Joerg Roedel <> | Subject | Re: [PATCH] iommu: moving initialization earlier |
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On Mon, Jan 07, 2013 at 06:51:52PM +1100, Alexey Kardashevskiy wrote: > The iommu_init() initializes IOMMU internal structures and data > required for the IOMMU API as iommu_group_alloc(). > It is registered as a subsys_initcall now. > > One of the IOMMU users is going to be a PCI subsystem on POWER. > It discovers new IOMMU tables during the PCI scan so the logical > place to call iommu_group_alloc() is the moment when a new group > is discovered. However PCI scan is done from subsys_initcall hook > as IOMMU does so PCI hook can be (and is) called before the IOMMU one. > > The patch moves IOMMU subsystem initialization one step earlier > to make sure that IOMMU is initialized before PCI scan begins. > > Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Applied, thanks.
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