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[PATCH 08/24] XSM: make .hvm_altp2mhvm_op() hook dependent upon ALTP2M=y
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 28 Jul 2026 15:16:12 +0200
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- Cc: Daniel Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Tue, 28 Jul 2026 13:16:21 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
It's unreachable / dead otherwise.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
--- a/xen/include/xsm/dummy.h
+++ b/xen/include/xsm/dummy.h
@@ -583,6 +583,7 @@ static XSM_INLINE int cf_check xsm_hvm_p
return xsm_default_action(action, current->domain, d);
}
+#ifdef CONFIG_ALTP2M
static XSM_INLINE int cf_check xsm_hvm_altp2mhvm_op(
XSM_DEFAULT_ARG struct domain *d, uint64_t mode, uint32_t op)
{
@@ -602,6 +603,7 @@ static XSM_INLINE int cf_check xsm_hvm_a
return -EPERM;
}
}
+#endif /* CONFIG_ALTP2M */
#ifdef CONFIG_VM_EVENT
static XSM_INLINE int cf_check xsm_mem_access(XSM_DEFAULT_ARG struct domain *d)
--- a/xen/include/xsm/hooks.h
+++ b/xen/include/xsm/hooks.h
@@ -106,7 +106,11 @@ XSM_HOOK(int, hypfs_op)
XSM_HOOK(int, hvm_param, struct domain *, unsigned long)
XSM_HOOK(int, hvm_param_altp2mhvm, struct domain *)
+
+#ifdef CONFIG_ALTP2M
XSM_HOOK(int, hvm_altp2mhvm_op, struct domain *, uint64_t, uint32_t)
+#endif
+
XSM_HOOK(int, get_vnumainfo, struct domain *)
#ifdef CONFIG_VM_EVENT
--- a/xen/xsm/flask/hooks.c
+++ b/xen/xsm/flask/hooks.c
@@ -1393,6 +1393,7 @@ static int cf_check flask_hvm_param_altp
return current_has_perm(d, SECCLASS_HVM, HVM__ALTP2MHVM);
}
+#ifdef CONFIG_ALTP2M
static int cf_check flask_hvm_altp2mhvm_op(struct domain *d, uint64_t mode,
uint32_t op)
{
/*
@@ -1416,6 +1417,7 @@ static int cf_check flask_hvm_altp2mhvm_
return current_has_perm(d, SECCLASS_HVM, HVM__ALTP2MHVM_OP);
}
+#endif /* CONFIG_ALTP2M */
#ifdef CONFIG_VM_EVENT
static int cf_check flask_mem_access(struct domain *d)
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