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[PATCH 07/24] XSM: make .hypfs() hook dependent upon HYPFS=y
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 28 Jul 2026 15:15:48 +0200
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- Cc: Daniel Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Tue, 28 Jul 2026 13:15:54 +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
@@ -437,11 +437,13 @@ static XSM_INLINE int cf_check xsm_resou
return xsm_default_action(action, current->domain, NULL);
}
+#ifdef CONFIG_HYPFS
static XSM_INLINE int cf_check xsm_hypfs_op(XSM_DEFAULT_VOID)
{
XSM_ASSERT_ACTION(XSM_PRIV);
return xsm_default_action(action, current->domain, NULL);
}
+#endif
static XSM_INLINE long cf_check xsm_do_xsm_op(XEN_GUEST_HANDLE_PARAM(void) op)
{
--- a/xen/include/xsm/hooks.h
+++ b/xen/include/xsm/hooks.h
@@ -100,7 +100,9 @@ XSM_HOOK(int, pci_config_permission, str
uint16_t, uint8_t)
#endif
+#ifdef CONFIG_HYPFS
XSM_HOOK(int, hypfs_op)
+#endif
XSM_HOOK(int, hvm_param, struct domain *, unsigned long)
XSM_HOOK(int, hvm_param_altp2mhvm, struct domain *)
--- a/xen/xsm/flask/hooks.c
+++ b/xen/xsm/flask/hooks.c
@@ -1345,10 +1345,12 @@ static int cf_check flask_resource_setup
return avc_current_has_perm(SECINITSID_XEN, SECCLASS_RESOURCE,
RESOURCE__SETUP, NULL);
}
+#ifdef CONFIG_HYPFS
static inline int cf_check flask_hypfs_op(void)
{
return domain_has_xen(current->domain, XEN__HYPFS_OP);
}
+#endif
static int cf_check flask_add_to_physmap(struct domain *d1, struct domain *d2)
{
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