Hi Antonios, On Tue, Sep 23, 2014 at 03:46:00PM +0100, Antonios Motakis wrote: > 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 <[email protected]> > --- > drivers/iommu/arm-smmu.c | 9 +++++---- > include/linux/iommu.h | 2 +- > 2 files changed, 6 insertions(+), 5 deletions(-)
[...] > diff --git a/include/linux/iommu.h b/include/linux/iommu.h > index 20f9a52..e1a644c 100644 > --- a/include/linux/iommu.h > +++ b/include/linux/iommu.h > @@ -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) This hunk needs to be a separate patch merged by Joerg before I can take the arm-smmu part (which looks fine). Will -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
