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[PATCH v5 17/24] xen/domctl: wrap iommu-related domctl op with CONFIG_MGMT_HYPERCALLS
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Penny Zheng <Penny.Zheng@xxxxxxx>
- Date: Fri, 12 Dec 2025 12:02:02 +0800
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- Cc: <ray.huang@xxxxxxx>, <grygorii_strashko@xxxxxxxx>, Penny Zheng <Penny.Zheng@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Fri, 12 Dec 2025 04:21:42 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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@xxxxxxx>
---
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
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