[xen staging] vm_event: fix MISRA C 2012 Rule 8.7 violation

[patchbot@xxxxxxx]

commit 4f67f1cbb66e96769557863e1734fa465b73b6db
Author:     Xenia Ragiadakou <burzalodowa@xxxxxxxxx>
AuthorDate: Mon Jul 18 17:55:42 2022 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Jul 18 17:55:42 2022 +0200

    vm_event: fix MISRA C 2012 Rule 8.7 violation
    
    The function vm_event_wake() is referenced only in vm_event.c.
    Change the linkage of the function from external to internal by adding
    the storage-class specifier static to the function definition.
    
    Also, this patch aims to resolve indirectly a MISRA C 2012 Rule 8.4 
violation
    warning.
    
    Signed-off-by: Xenia Ragiadakou <burzalodowa@xxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/common/vm_event.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/common/vm_event.c b/xen/common/vm_event.c
index 0b99a6ea72..ecf49c38a9 100644
--- a/xen/common/vm_event.c
+++ b/xen/common/vm_event.c
@@ -173,7 +173,7 @@ static void vm_event_wake_queued(struct domain *d, struct 
vm_event_domain *ved)
  * call vm_event_wake() again, ensuring that any blocked vCPUs will get
  * unpaused once all the queued vCPUs have made it through.
  */
-void vm_event_wake(struct domain *d, struct vm_event_domain *ved)
+static void vm_event_wake(struct domain *d, struct vm_event_domain *ved)
 {
     if ( !list_empty(&ved->wq.list) )
         vm_event_wake_queued(d, ved);
--
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