[Xen-devel] [PATCH] x86/mem-sharing: statically initialize audit list head and lock

["Jan Beulich" <JBeulich@xxxxxxxx>]

There's no need to execute any instructions for doing so.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
---
I wonder whether mem_sharing_init() shouldn't go away altogether then.

--- a/xen/arch/x86/mm/mem_sharing.c
+++ b/xen/arch/x86/mm/mem_sharing.c
@@ -65,8 +65,8 @@ static DEFINE_PER_CPU(pg_lock_data_t, __
 
 #if MEM_SHARING_AUDIT
 
-static struct list_head shr_audit_list;
-static spinlock_t shr_audit_lock;
+static LIST_HEAD(shr_audit_list);
+static DEFINE_SPINLOCK(shr_audit_lock);
 static DEFINE_RCU_READ_LOCK(shr_audit_read_lock);
 
 /* RCU delayed free of audit list entry */
@@ -1654,9 +1654,5 @@ int mem_sharing_domctl(struct domain *d,
 void __init mem_sharing_init(void)
 {
     printk("Initing memory sharing.\n");
-#if MEM_SHARING_AUDIT
-    spin_lock_init(&shr_audit_lock);
-    INIT_LIST_HEAD(&shr_audit_list);
-#endif
 }
 




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