Re: [PATCH] iommu/amd: Add workaround to propery clearing IOMMUstatus register

[Joerg Roedel]

On Wed, Apr 03, 2013 at 06:19:04PM -0500, Suthikulpanit, Suravee wrote:
> In the system with multiple IOMMU,this handling scheme complicates the
> synchronization of the IOMMU data structures and status registers as
> there could be multiple threads competing for the same IOMMU while
> the other IOMMU could be left unhandled.

I really like that change in the interrupt handling code to pull the
different IOMMUs independently. But its problematic to change that in
the same patch that adds an erratum workaround.

Please move that erratum fix into a seperate small patch that we can
backport to -stable and resend.


	Joerg


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