Messages in this thread Patch in this message | | | Date | Fri, 18 Sep 2020 07:42:33 -0000 | From | "tip-bot2 for Fenghua Yu" <> | Subject | [tip: x86/pasid] iommu/vt-d: Change flags type to unsigned int in binding mm |
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The following commit has been merged into the x86/pasid branch of tip:
Commit-ID: 2a5054c6e7b16906984ac36a7363ca46b8d99ade Gitweb: https://git.kernel.org/tip/2a5054c6e7b16906984ac36a7363ca46b8d99ade Author: Fenghua Yu <fenghua.yu@intel.com> AuthorDate: Tue, 15 Sep 2020 09:30:06 -07:00 Committer: Borislav Petkov <bp@suse.de> CommitterDate: Thu, 17 Sep 2020 19:21:30 +02:00
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 --- drivers/iommu/intel/svm.c | 7 ++++--- 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 e78a74a..fc90a07 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 7322073..9c3e833 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;
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