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    Subject[PATCH 23/23] swiotlb-xen: On x86-32 builts, select SWIOTLB instead of depending on it.
    Date
    We used to depend on CONFIG_SWIOTLB, but that is disabled by default.
    So when compiling we get this compile error:

    arch/x86/xen/pci-swiotlb-xen.c: In function 'pci_xen_swiotlb_detect':
    arch/x86/xen/pci-swiotlb-xen.c:48: error: lvalue required as left operand of assignment

    Fix it by actually activating the SWIOTLB library.

    Reported-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
    Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
    ---
    drivers/xen/Kconfig | 3 ++-
    1 files changed, 2 insertions(+), 1 deletions(-)

    diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
    index f70a627..6e6180c 100644
    --- a/drivers/xen/Kconfig
    +++ b/drivers/xen/Kconfig
    @@ -74,6 +74,7 @@ config XEN_PLATFORM_PCI

    config SWIOTLB_XEN
    def_bool y
    - depends on PCI && SWIOTLB
    + depends on PCI
    + select SWIOTLB

    endmenu
    --
    1.7.0.4


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