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Subject[PATCH 4.19 87/97] 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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