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    SubjectRe: [PATCH v2 0/9] x86: handle HW IOMMU initialization failure gracefully

    * FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> wrote:

    > This patchset is against tip/master.
    >
    > The first version is:
    >
    > http://marc.info/?l=linux-kernel&m=125671300920411&w=2
    >
    > The changes since v1 are:
    >
    > - replaced Chris' bootmem patches with the 6/9 patch to implement
    > free_bootmem_late in a simple way (thanks to Pekka).
    >
    > - fixed the bug to break 'iommu=soft' boot opiton (found by Joerg).
    >
    > - moved iommu_init_noop() to x86_init.c
    >
    > - added Muli's Acked-by to Calgary patch.
    >
    >
    > ==
    > arch/ia64/kernel/pci-swiotlb.c | 4 +-
    > arch/powerpc/kernel/setup_32.c | 2 +-
    > arch/powerpc/kernel/setup_64.c | 2 +-
    > arch/x86/include/asm/amd_iommu.h | 2 -
    > arch/x86/include/asm/calgary.h | 2 -
    > arch/x86/include/asm/gart.h | 5 +---
    > arch/x86/include/asm/iommu.h | 1 -
    > arch/x86/include/asm/x86_init.h | 9 +++++++
    > arch/x86/kernel/amd_iommu.c | 2 +-
    > arch/x86/kernel/amd_iommu_init.c | 19 +++-----------
    > arch/x86/kernel/aperture_64.c | 4 ++-
    > arch/x86/kernel/pci-calgary_64.c | 19 ++++-----------
    > arch/x86/kernel/pci-dma.c | 27 ++++++++++-----------
    > arch/x86/kernel/pci-gart_64.c | 16 ++++-------
    > arch/x86/kernel/pci-nommu.c | 9 -------
    > arch/x86/kernel/pci-swiotlb.c | 10 +++----
    > arch/x86/kernel/x86_init.c | 5 ++++
    > drivers/pci/dmar.c | 7 ++++-
    > drivers/pci/intel-iommu.c | 4 +-
    > include/linux/bootmem.h | 1 +
    > include/linux/dmar.h | 10 -------
    > include/linux/swiotlb.h | 5 ++-
    > lib/swiotlb.c | 49 +++++++++++++++++++++++++++++++------
    > mm/bootmem.c | 24 ++++++++++++++++++
    > 24 files changed, 131 insertions(+), 107 deletions(-)

    Nice changes! I've applied them to tip:core/iommu (with the small build
    fix i mentioned in the previous mail) and will push them out later
    today.

    Thanks,

    Ingo


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