Messages in this thread | | | Date | Wed, 25 Mar 2009 16:53:22 -0400 | Subject | Re: [patch 0/2] Intel IOMMU Suspend/Resume Support | From | Andrew Lutomirski <> |
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It looks like patch 1 calls dmar_reenable_qi but patch 2 defines it.
In 2.6.29, there's no dmar_disable_qi that I can see. Can you respin these against something a little less scary than -tip during a merge window? (Especially since -stable will need this soon.)
Thanks, Andy
On Wed, Mar 25, 2009 at 2:45 PM, <fenghua.yu@intel.com> wrote: > Current Intel IOMMU does not support suspend and resume. In S3 event, kernel > crashes when IOMMU is enabled. The attached patch set implements the suspend and > resume feature for Intel IOMMU. It hooks to kernel suspend and resume interface. > When suspend happens, it saves necessary hardware registers. When resume happens > it restores the registers and restarts IOMMU. > > This patch set is applied to the tip tree. > > -- > >
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