lkml.org 
[lkml]   [2014]   [Sep]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCHv7 03/26] iommu/arm-smmu: add IOMMU_CAP_NOEXEC to the ARM SMMU driver
Date
The ARM SMMU supports the IOMMU_NOEXEC protection flag. Add the
corresponding IOMMU capability.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
---
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 c7cbdda..7c0fa25 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1539,6 +1539,8 @@ static int arm_smmu_domain_has_cap(struct iommu_domain *domain,
return features & ARM_SMMU_FEAT_COHERENT_WALK;
case IOMMU_CAP_INTR_REMAP:
return 1; /* MSIs are just memory writes */
+ case IOMMU_CAP_NOEXEC:
+ return 1;
default:
return 0;
}
--
1.8.3.2


\
 
 \ /
  Last update: 2014-09-23 17:41    [W:0.055 / U:0.172 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site