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iommu/arm-smmu: change IOMMU_EXEC to IOMMU_NOEXEC

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Exposing the XN flag of the SMMU driver as IOMMU_NOEXEC instead of
IOMMU_EXEC makes it enforceable, since for IOMMUs that don't support
the XN flag pages will always be executable.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Acked-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Antonios Motakis
2014-10-13 14:06:16 +01:00
committed by Will Deacon
parent f114040e3e
commit a720b41c41
2 changed files with 6 additions and 5 deletions
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include/linux/iommu.h
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@@ -27,7 +27,7 @@
#define IOMMU_READ (1 << 0)
#define IOMMU_WRITE (1 << 1)
#define IOMMU_CACHE (1 << 2) /* DMA cache coherency */
#define IOMMU_EXEC (1 << 3)
#define IOMMU_NOEXEC (1 << 3)
struct iommu_ops;
struct iommu_group;