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    Subject[PATCH 06/12] select IOMMU_API when DMAR and/or AMD_IOMMU is selected
    Date
    These two IOMMUs can implement the current version of this API. So
    select the API if one or both of these IOMMU drivers is selected.

    Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
    ---
    arch/ia64/Kconfig | 3 +++
    arch/x86/Kconfig | 3 +++
    drivers/base/Makefile | 1 +
    3 files changed, 7 insertions(+), 0 deletions(-)

    diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
    index 6bd91ed..6a7b0c9 100644
    --- a/arch/ia64/Kconfig
    +++ b/arch/ia64/Kconfig
    @@ -687,3 +687,6 @@ config IRQ_PER_CPU

    config IOMMU_HELPER
    def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB)
    +
    +config IOMMU_API
    + def_bool (DMAR)
    diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
    index ac22bb7..b9f7187 100644
    --- a/arch/x86/Kconfig
    +++ b/arch/x86/Kconfig
    @@ -580,6 +580,9 @@ config SWIOTLB
    config IOMMU_HELPER
    def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU)

    +config IOMMU_API
    + def_bool (AMD_IOMMU || DMAR)
    +
    config MAXSMP
    bool "Configure Maximum number of SMP Processors and NUMA Nodes"
    depends on X86_64 && SMP && BROKEN
    diff --git a/drivers/base/Makefile b/drivers/base/Makefile
    index c666373..b5b8ba5 100644
    --- a/drivers/base/Makefile
    +++ b/drivers/base/Makefile
    @@ -11,6 +11,7 @@ obj-$(CONFIG_FW_LOADER) += firmware_class.o
    obj-$(CONFIG_NUMA) += node.o
    obj-$(CONFIG_MEMORY_HOTPLUG_SPARSE) += memory.o
    obj-$(CONFIG_SMP) += topology.o
    +obj-$(CONFIG_IOMMU_API) += iommu.o
    ifeq ($(CONFIG_SYSFS),y)
    obj-$(CONFIG_MODULES) += module.o
    endif
    --
    1.5.6.4



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