iommu/vt-d: Change flags type to unsigned int in binding mm
"flags" passed to intel_svm_bind_mm() is a bit mask and should be defined as "unsigned int" instead of "int". Change its type to "unsigned int". Suggested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Tony Luck <tony.luck@intel.com> Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Acked-by: Joerg Roedel <jroedel@suse.de> Link: https://lkml.kernel.org/r/1600187413-163670-3-git-send-email-fenghua.yu@intel.com
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@ -446,7 +446,8 @@ out:
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/* Caller must hold pasid_mutex, mm reference */
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static int
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intel_svm_bind_mm(struct device *dev, int flags, struct svm_dev_ops *ops,
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intel_svm_bind_mm(struct device *dev, unsigned int flags,
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struct svm_dev_ops *ops,
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struct mm_struct *mm, struct intel_svm_dev **sd)
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{
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struct intel_iommu *iommu = device_to_iommu(dev, NULL, NULL);
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@ -1033,7 +1034,7 @@ intel_svm_bind(struct device *dev, struct mm_struct *mm, void *drvdata)
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{
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struct iommu_sva *sva = ERR_PTR(-EINVAL);
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struct intel_svm_dev *sdev = NULL;
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int flags = 0;
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unsigned int flags = 0;
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int ret;
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/*
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@ -1042,7 +1043,7 @@ intel_svm_bind(struct device *dev, struct mm_struct *mm, void *drvdata)
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* and intel_svm etc.
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*/
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if (drvdata)
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flags = *(int *)drvdata;
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flags = *(unsigned int *)drvdata;
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mutex_lock(&pasid_mutex);
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ret = intel_svm_bind_mm(dev, flags, NULL, mm, &sdev);
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if (ret)
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@ -765,7 +765,7 @@ struct intel_svm {
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struct mm_struct *mm;
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struct intel_iommu *iommu;
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int flags;
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unsigned int flags;
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u32 pasid;
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int gpasid; /* In case that guest PASID is different from host PASID */
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struct list_head devs;
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