diff options
author | Fenghua Yu <fenghua.yu@intel.com> | 2020-09-15 19:30:06 +0300 |
---|---|---|
committer | Borislav Petkov <bp@suse.de> | 2020-09-17 20:21:30 +0300 |
commit | 2a5054c6e7b16906984ac36a7363ca46b8d99ade (patch) | |
tree | c995540e3d0edd5db3288509c95d5a81b676167e | |
parent | c7b6bac9c72c5fcbd6e9e12545bd3022c7f21860 (diff) | |
download | linux-2a5054c6e7b16906984ac36a7363ca46b8d99ade.tar.xz |
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
-rw-r--r-- | drivers/iommu/intel/svm.c | 7 | ||||
-rw-r--r-- | include/linux/intel-iommu.h | 2 |
2 files changed, 5 insertions, 4 deletions
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index e78a74a9c1cf..fc90a079e228 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -446,7 +446,8 @@ out: /* Caller must hold pasid_mutex, mm reference */ static int -intel_svm_bind_mm(struct device *dev, int flags, struct svm_dev_ops *ops, +intel_svm_bind_mm(struct device *dev, unsigned int flags, + struct svm_dev_ops *ops, struct mm_struct *mm, struct intel_svm_dev **sd) { struct intel_iommu *iommu = device_to_iommu(dev, NULL, NULL); @@ -1033,7 +1034,7 @@ intel_svm_bind(struct device *dev, struct mm_struct *mm, void *drvdata) { struct iommu_sva *sva = ERR_PTR(-EINVAL); struct intel_svm_dev *sdev = NULL; - int flags = 0; + unsigned int flags = 0; int ret; /* @@ -1042,7 +1043,7 @@ intel_svm_bind(struct device *dev, struct mm_struct *mm, void *drvdata) * and intel_svm etc. */ if (drvdata) - flags = *(int *)drvdata; + flags = *(unsigned int *)drvdata; mutex_lock(&pasid_mutex); ret = intel_svm_bind_mm(dev, flags, NULL, mm, &sdev); if (ret) diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 7322073f62d0..9c3e8337442a 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -765,7 +765,7 @@ struct intel_svm { struct mm_struct *mm; struct intel_iommu *iommu; - int flags; + unsigned int flags; u32 pasid; int gpasid; /* In case that guest PASID is different from host PASID */ struct list_head devs; |