Function iommu_do_domctl() is the main entry for all iommu-related domctl-op,
and shall be wrapped with CONFIG_MGMT_HYPERCALLS.
Otherwise it will become unreachable when MGMT_HYPERCALLS=n, and hence
violating Misra rule 2.1

Signed-off-by: Penny Zheng <Penny.Zheng@amd.com>
---
v3 -> v4:
- new commit
---
v4 -> v5:
- fix typo
---
 xen/drivers/passthrough/iommu.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xen/drivers/passthrough/iommu.c b/xen/drivers/passthrough/iommu.c
index c9425d6971..8812e38174 100644
--- a/xen/drivers/passthrough/iommu.c
+++ b/xen/drivers/passthrough/iommu.c
@@ -625,6 +625,7 @@ void iommu_resume(void)
         iommu_vcall(iommu_get_ops(), resume);
 }
 
+#ifdef CONFIG_MGMT_HYPERCALLS
 int iommu_do_domctl(
     struct xen_domctl *domctl, struct domain *d,
     XEN_GUEST_HANDLE_PARAM(xen_domctl_t) u_domctl)
@@ -645,6 +646,7 @@ int iommu_do_domctl(
 
     return ret;
 }
+#endif /* CONFIG_MGMT_HYPERCALLS */
 
 void iommu_crash_shutdown(void)
 {
-- 
2.34.1