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    Subject[PATCH 4.14 229/237] iommu/vt-d: Fix compile warning from intel-svm.h
    Date
    From: Joerg Roedel <jroedel@suse.de>

    commit e7598fac323aad0e502415edeffd567315994dd6 upstream.

    The intel_svm_is_pasid_valid() needs to be marked inline, otherwise it
    causes the compile warning below:

    CC [M] drivers/dma/idxd/cdev.o
    In file included from drivers/dma/idxd/cdev.c:9:0:
    ./include/linux/intel-svm.h:125:12: warning: ‘intel_svm_is_pasid_valid’ defined but not used [-Wunused-function]
    static int intel_svm_is_pasid_valid(struct device *dev, int pasid)
    ^~~~~~~~~~~~~~~~~~~~~~~~

    Reported-by: Borislav Petkov <bp@alien8.de>
    Fixes: 15060aba71711 ('iommu/vt-d: Helper function to query if a pasid has any active users')
    Signed-off-by: Joerg Roedel <jroedel@suse.de>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    include/linux/intel-svm.h | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/include/linux/intel-svm.h
    +++ b/include/linux/intel-svm.h
    @@ -130,7 +130,7 @@ static inline int intel_svm_unbind_mm(st
    BUG();
    }

    -static int intel_svm_is_pasid_valid(struct device *dev, int pasid)
    +static inline int intel_svm_is_pasid_valid(struct device *dev, int pasid)
    {
    return -EINVAL;
    }

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