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Message-Id: <20200227132246.594078093@linuxfoundation.org>
Date:   Thu, 27 Feb 2020 14:37:36 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Borislav Petkov <bp@...en8.de>,
        Joerg Roedel <jroedel@...e.de>
Subject: [PATCH 5.4 116/135] iommu/vt-d: Fix compile warning from intel-svm.h

From: Joerg Roedel <jroedel@...e.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@...en8.de>
Fixes: 15060aba71711 ('iommu/vt-d: Helper function to query if a pasid has any active users')
Signed-off-by: Joerg Roedel <jroedel@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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
@@ -122,7 +122,7 @@ 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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