kern/turnstile: very early initialization

2 files changed, 14 insertions, 1 deletions

diff --git a/kern/turnstile.c b/kern/turnstile.c
index 43629376..f5e94db5 100644
--- a/kern/turnstile.c
+++ b/kern/turnstile.c
@@ -500,14 +500,18 @@ turnstile_ctor(void *ptr)
 }
 
 void __init
-turnstile_setup(void)
+turnstile_bootstrap(void)
 {
     unsigned int i;
 
     for (i = 0; i < ARRAY_SIZE(turnstile_htable); i++) {
         turnstile_bucket_init(&turnstile_htable[i]);
     }
+}
 
+void __init
+turnstile_setup(void)
+{
     kmem_cache_init(&turnstile_cache, "turnstile", sizeof(struct turnstile),
                     CPU_L1_SIZE, turnstile_ctor, 0);
 }
diff --git a/kern/turnstile.h b/kern/turnstile.h
index 21a5a1a9..4bc8f74d 100644
--- a/kern/turnstile.h
+++ b/kern/turnstile.h
@@ -101,6 +101,15 @@ turnstile_td_get_turnstile(const struct turnstile_td *td)
 void turnstile_td_propagate_priority(struct turnstile_td *td);
 
 /*
+ * Early initialization of the turnstile module.
+ *
+ * This module is initialized by architecture-specific code. It should
+ * be one of the first modules to be initialized since it's used by
+ * synchronization objects that may be accessed very early.
+ */
+void turnstile_bootstrap(void);
+
+/*
  * Initialize the turnstile module.
  */
 void turnstile_setup(void);