Re: [GIT PULL] AMD IOMMU updates for 2.6.37

From: Ingo Molnar
Date: Wed Oct 13 2010 - 09:45:18 EST



* Joerg Roedel <joerg.roedel@xxxxxxx> wrote:

> Hi Ingo,
>
> The following changes since commit 899611ee7d373e5eeda08e9a8632684e1ebbbf00:
> Linus Torvalds (1):
> Linux 2.6.36-rc6
>
> are available in the git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu.git amd-iommu/2.6.37
>
> Joerg Roedel (1):
> x86/amd-iommu: Update copyright headers
>
> Matthew Garrett (1):
> x86/amd-iommu: Reenable AMD IOMMU if it's mysteriously vanished over suspend
>
> arch/x86/include/asm/amd_iommu.h | 2 +-
> arch/x86/include/asm/amd_iommu_proto.h | 2 +-
> arch/x86/include/asm/amd_iommu_types.h | 23 ++++--
> arch/x86/kernel/amd_iommu.c | 2 +-
> arch/x86/kernel/amd_iommu_init.c | 124 ++++++++++++++++++++++++++++----
> 5 files changed, 128 insertions(+), 25 deletions(-)
>
> This update is mostly about a workaround for BIOS problems with AMD
> IOMMU when resuming from S3. The BIOS on an AMD IOMMU capable machine
> might be buggy so that the IOMMU device is not re-enabled on resume.
> The patch from Matthew implement a workaround for this problem by
> manually re-enabling an re-programming the IOMMU device on resume.
> Please pull.

Pulled, thanks a lot Joerg!

Ingo
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