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Re: [PATCH 06/24] XSM: make .kexec() hook dependent upon KEXEC=y

To: Jan Beulich <jbeulich@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>

From: "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>

Date: Sun, 2 Aug 2026 10:57:30 -0400

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Delivery-date: Sun, 02 Aug 2026 14:57:34 +0000

List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 7/28/26 9:15 AM, Jan Beulich wrote:

It's unreachable / dead otherwise.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

--- a/xen/include/xsm/dummy.h
+++ b/xen/include/xsm/dummy.h
@@ -271,11 +271,13 @@ static XSM_INLINE int cf_check xsm_conso
      return xsm_default_action(XSM_PRIV, d, NULL);
  }

+#ifdef CONFIG_KEXEC

  static XSM_INLINE int cf_check xsm_kexec(XSM_DEFAULT_VOID)
  {
      XSM_ASSERT_ACTION(XSM_PRIV);
      return xsm_default_action(action, current->domain, NULL);
  }
+#endif

static XSM_INLINE int cf_check xsm_schedop_shutdown(

      XSM_DEFAULT_ARG struct domain *d1, struct domain *d2)
--- a/xen/include/xsm/hooks.h
+++ b/xen/include/xsm/hooks.h
@@ -61,7 +61,9 @@ XSM_HOOK(int, claim_pages, struct domain

XSM_HOOK(int, console_io, struct domain *, int)+#ifdef CONFIG_KEXEC

  XSM_HOOK(int, kexec)
+#endif

XSM_HOOK(int, schedop_shutdown, struct domain *, struct domain *)--- a/xen/xsm/flask/hooks.c

+++ b/xen/xsm/flask/hooks.c
@@ -536,10 +536,12 @@ static int cf_check flask_console_io(str
      return domain_has_xen(d, perm);
  }

+#ifdef CONFIG_KEXEC

  static int cf_check flask_kexec(void)
  {
      return domain_has_xen(current->domain, XEN__KEXEC);
  }
+#endif

static int cf_check flask_schedop_shutdown(struct domain *d1, struct domain *d2)

Acked-by: Daniel P. Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx>

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