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    Subject[PATCH 1/6] AMD IOMMU: more verbose Kconfig description text
    Date
    This patch replaces the short description text for AMD IOMMU in Kconfig with a
    more verbose one.

    Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
    ---
    arch/x86/Kconfig | 10 +++++++++-
    1 files changed, 9 insertions(+), 1 deletions(-)

    diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
    index dc6425e..c31047a 100644
    --- a/arch/x86/Kconfig
    +++ b/arch/x86/Kconfig
    @@ -568,7 +568,15 @@ config AMD_IOMMU
    select SWIOTLB
    depends on X86_64 && PCI && ACPI
    help
    - Select this to get support for AMD IOMMU hardware in your system.
    + With this option you can enable support for AMD IOMMU hardware in
    + your system. An IOMMU is a hardware component which provides
    + remapping of DMA memory accesses from devices. With an AMD IOMMU you
    + can isolate the the DMA memory of different devices and protect the
    + system from misbehaving device drivers or hardware.
    +
    + You can find out if your system has an AMD IOMMU if you look into
    + your BIOS for an option to enable it or if you have an IVRS ACPI
    + table.

    # need this always selected by IOMMU for the VIA workaround
    config SWIOTLB
    --
    1.5.3.7



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