Hello,

On 08/06/16 09:58, Xu, Quan wrote:
From: Quan Xu <quan...@intel.com>

Signed-off-by: Quan Xu <quan...@intel.com>
Acked-by: Kevin Tian <kevin.t...@intel.com>

CC: Suravee Suthikulpanit <suravee.suthikulpa...@amd.com>
CC: Stefano Stabellini <sstabell...@kernel.org>
CC: Julien Grall <julien.gr...@arm.com>
CC: Kevin Tian <kevin.t...@intel.com>
CC: Feng Wu <feng...@intel.com>
CC: Jan Beulich <jbeul...@suse.com>

v7: drop the amd_iommu_hwdom_init() fix, which has been added in
     patch 2 in this v7.
---
  xen/drivers/passthrough/arm/smmu.c            | 4 ++--
  xen/drivers/passthrough/vtd/iommu.c           | 7 ++++---
  xen/include/asm-x86/hvm/svm/amd-iommu-proto.h | 4 ++--
  xen/include/xen/iommu.h                       | 4 ++--
  4 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/xen/drivers/passthrough/arm/smmu.c 
b/xen/drivers/passthrough/arm/smmu.c
index 1ce4ddf..ee5c89d 100644
--- a/xen/drivers/passthrough/arm/smmu.c
+++ b/xen/drivers/passthrough/arm/smmu.c
@@ -2745,8 +2745,8 @@ static void arm_smmu_iommu_domain_teardown(struct domain 
*d)
        xfree(xen_domain);
  }

-static int arm_smmu_map_page(struct domain *d, unsigned long gfn,
-                            unsigned long mfn, unsigned int flags)
+static int __must_check arm_smmu_map_page(struct domain *d, unsigned long gfn,
+                                          unsigned long mfn, unsigned int 
flags)

This file is using the Linux coding style. So you should use hard tab here.

  {
        p2m_type_t t;

Regards,

--
Julien Grall

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