xen: Fix dispatching of event handlers on multi-CPU platforms

src/runtime/random.c

@@ -150,7 +150,7 @@ u64 random_early_u64(void)
 {
     u8 key[CHACHA20_KEYBYTES];
     get_seed_complete(key, CHACHA20_KEYBYTES);
-    u64 retval;
+    u64 retval = 0;
     chacha_keysetup(&chacha20inst.ctx, key, CHACHA20_KEYBYTES * 8);
     chacha_ivsetup(&chacha20inst.ctx, (u8 *)&retval, (u8 *)&retval);
     chacha_encrypt_bytes(&chacha20inst.ctx, chacha20inst.m_buffer, (u8 *)&retval, sizeof(retval));

src/runtime/vector.c

@@ -11,3 +11,18 @@ void init_vectors(heap h, heap init)
 {
     vheap = h;
 }
+
+boolean vector_init(vector v, heap h, int len)
+{
+    bytes s = len * sizeof(void *);
+    void *contents = allocate(h, s);
+    if (contents == INVALID_ADDRESS)
+        return false;
+    init_buffer(v, s, false, h, contents);
+    return true;
+}
+
+void vector_deinit(vector v)
+{
+    deallocate(v->h, v->contents, v->length);
+}

src/runtime/vector.h

@@ -1,4 +1,4 @@
-typedef buffer vector;
+#define vector buffer
 
 static inline void *vector_get(vector v, int offset)
 {
@@ -58,6 +58,9 @@ static inline int vector_delete_range(vector v, int start, int end)
     return (end_offset - start_offset) / sizeof(void *);
 }
 
+boolean vector_init(vector v, heap h, int len);
+void vector_deinit(vector v);
+
 static inline vector allocate_vector(heap h, int length)
 {
     return allocate_buffer(h, length * sizeof (void *));