[PATCH v2 4/4] livepatch: adjust a stale comment

[Jan Beulich <jbeulich@xxxxxxxx>]

As of 005de45c887e ("xen: do live patching only from main idle loop")
the comment ahead of livepatch_do_action() has been stale.

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

--- a/xen/common/livepatch.c
+++ b/xen/common/livepatch.c
@@ -1392,8 +1392,8 @@ static inline bool was_action_consistent
 }
 
 /*
- * This function is executed having all other CPUs with no deep stack (we may
- * have cpu_idle on it) and IRQs disabled.
+ * This function is executed having all other CPUs with no deep stack (when
+ * idle) and IRQs disabled.
  */
 static void livepatch_do_action(void)
 {