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    Subject[PATCH] ia64: Enable SWIOTLB only when needed
    Don't force CONFIG_SWIOTLB on when not actually needed (i.e. HP_ZX1 and
    SGI_SN2).

    Signed-off-by: Jan Beulich <jbeulich@novell.com>

    --- linux-2.6.20-rc3/arch/ia64/Kconfig 2007-01-02 15:41:38.000000000 +0100
    +++ 2.6.20-rc3-ia64-swiotlb-opt/arch/ia64/Kconfig 2006-12-22 16:44:57.000000000 +0100
    @@ -28,7 +28,6 @@ config MMU

    config SWIOTLB
    bool
    - default y

    config RWSEM_XCHGADD_ALGORITHM
    bool
    @@ -88,6 +87,7 @@ config IA64_GENERIC
    select PCI
    select NUMA
    select ACPI_NUMA
    + select SWIOTLB
    help
    This selects the system type of your hardware. A "generic" kernel
    will run on any supported IA-64 system. However, if you configure
    @@ -104,6 +104,7 @@ config IA64_GENERIC

    config IA64_DIG
    bool "DIG-compliant"
    + select SWIOTLB

    config IA64_HP_ZX1
    bool "HP-zx1/sx1000"
    @@ -113,6 +114,7 @@ config IA64_HP_ZX1

    config IA64_HP_ZX1_SWIOTLB
    bool "HP-zx1/sx1000 with software I/O TLB"
    + select SWIOTLB
    help
    Build a kernel that runs on HP zx1 and sx1000 systems even when they
    have broken PCI devices which cannot DMA to full 32 bits. Apart
    @@ -131,6 +133,7 @@ config IA64_SGI_SN2

    config IA64_HP_SIM
    bool "Ski-simulator"
    + select SWIOTLB

    endchoice

    -
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