Works for me (applied to current -tip). I suspended and resumed just
fine, with no errors logged and all hardware apparently still working.
Tested-by: Andy Lutomirski <[email protected]>
Thanks for the patch!
Andy
On Fri, Mar 27, 2009 at 5:22 PM, Fenghua Yu <[email protected]> wrote:
> Current Intel IOMMU does not support suspend and resume. In S3 event, kernel
> crashes when DMAR or interrupt remapping is running.
>
> The attached patch set implements the suspend and resume feature for Intel
> IOMMU. It hooks to kernel suspend and resume interface. When suspend happens, itsaves necessary hardware registers. When resume happens, it restores the
> registers and restarts IOMMU.
>
> This patch set can be applied on the tip tree.
>
> --
>
>