Re: [RFC PATCH v6 03/20] iommu/arm-smmu: add IOMMU_CAP_NOEXEC to the ARM SMMU driver

[Will Deacon]

On Thu, Jun 05, 2014 at 06:03:11PM +0100, Antonios Motakis wrote:
> The ARM SMMU supports the IOMMU_NOEXEC protection flag. Add the
> corresponding IOMMU capability.
> 
> Signed-off-by: Antonios Motakis <a.motakis@xxxxxxxxxxxxxxxxxxxxxx>
> ---
>  drivers/iommu/arm-smmu.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
> index d5a2200..15ab2af 100644
> --- a/drivers/iommu/arm-smmu.c
> +++ b/drivers/iommu/arm-smmu.c
> @@ -1544,6 +1544,8 @@ static int arm_smmu_domain_has_cap(struct iommu_domain *domain,
>  	if (smmu_domain->root_cfg.smmu->features & ARM_SMMU_FEAT_COHERENT_WALK)
>  		caps |= IOMMU_CAP_CACHE_COHERENCY;
>  
> +	caps |= IOMMU_CAP_NOEXEC;
> +

Just initialise caps to IOMMU_CAP_NOEXEC.

Will
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/