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    SubjectRe: [PATCH 00/34] AMD IOMMU driver

    -tip testing found a build failure with:

    arch/x86/kernel/amd_iommu_init.c:247: warning: 'struct acpi_table_header' declared inside parameter list
    arch/x86/kernel/amd_iommu_init.c:247: warning: its scope is only this definition or declaration, which is probably not what you want
    arch/x86/kernel/amd_iommu_init.c: In function 'find_last_devid_acpi':
    arch/x86/kernel/amd_iommu_init.c:257: error: dereferencing pointer to incomplete type

    http://redhat.com/~mingo/misc/config-Fri_Jun_27_10_29_06_CEST_2008.bad

    this is due to !CONFIG_ACPI.

    since AMD IOMMU discovery depends on ACPI anyway, i've fixed this in the
    Kconfig space. (Eventually, if you want to make it directly discoverable
    via the PCI space in the future, you might want to fix this dependency.)

    i've pushed out the fix below into -tip.

    Ingo


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