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    SubjectRe: [GIT PULL] AMD IOMMU updates for 2.6.28-rc5

    * Joerg Roedel <joerg.roedel@amd.com> wrote:

    > (sorry for resend, forgot to add the mailing lists)
    >
    > Hi Ingo,
    >
    >
    > The following changes since commit 4e14e833ac3b97a4aa8803eea49f899adc5bb5f4:
    > Linus Torvalds (1):
    > Merge git://git.kernel.org/.../sfrench/cifs-2.6
    >
    > are available in the git repository at:
    >
    > git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu.git iommu-fixes-2.6.28
    >
    > Joerg Roedel (4):
    > AMD IOMMU: add parameter to disable device isolation
    > AMD IOMMU: enable device isolation per default
    > AMD IOMMU: fix fullflush comparison length
    > AMD IOMMU: check for next_bit also in unmapped area
    >
    > Documentation/kernel-parameters.txt | 4 +++-
    > arch/x86/kernel/amd_iommu.c | 2 +-
    > arch/x86/kernel/amd_iommu_init.c | 6 ++++--
    > 3 files changed, 8 insertions(+), 4 deletions(-)
    >
    > As the most important change these patches enable device isolation
    > per default. Tests have shown that there are drivers which have bugs
    > and do double-freeing of DMA memory. This can lead to data
    > corruption with a hardware IOMMU when multiple devices share the
    > same protection domain. Therefore device isolation should be enabled
    > by default. The full diff of these changes is appended. Please pull.

    pulled into tip/x86/urgent, thanks Joerg!

    Ingo


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