Commit b9997e38 authored Oct 18, 2015 by Sudeep Dutt Committed by David Woodhouse Oct 19, 2015

iommu/vt-d: Use dev_err(..) in intel_svm_device_to_iommu(..)



This will give a little bit of assistance to those developing drivers
using SVM. It might cause a slight annoyance to end-users whose kernel
disables the IOMMU when drivers are trying to use it. But the fix there
is to fix the kernel to enable the IOMMU.

Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

parent 3c7c2f32

drivers/iommu/intel-iommu.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -5042,12 +5042,12 @@ struct intel_iommu intel_svm_device_to_iommu(struct device dev)

		iommu = device_to_iommu(dev, &bus, &devfn);
		if ((!iommu)) {
		dev_dbg(dev, "No IOMMU for device; cannot enable SVM\n");
		dev_err(dev, "No IOMMU for device; cannot enable SVM\n");
		return NULL;
		}

		if (!iommu->pasid_table) {
		dev_dbg(dev, "PASID not enabled on IOMMU; cannot enable SVM\n");
		dev_err(dev, "PASID not enabled on IOMMU; cannot enable SVM\n");
		return NULL;
		}

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