route timer init

[Alexander Bluhm]

Hi,

Instead of using a MP unsafe global variable, just call rt_timer_init()
from route_init().

ok?

bluhm

Index: net/route.c
===================================================================
RCS file: /data/mirror/openbsd/cvs/src/sys/net/route.c,v
retrieving revision 1.402
diff -u -p -r1.402 route.c
--- net/route.c 22 Feb 2022 01:15:02 -0000      1.402
+++ net/route.c 18 Apr 2022 22:00:37 -0000
@@ -190,6 +190,8 @@ route_init(void)
        while (rt_hashjitter == 0)
                rt_hashjitter = arc4random();
 
+       rt_timer_init();
+
 #ifdef BFD
        bfdinit();
 #endif
@@ -1362,7 +1364,6 @@ rt_ifa_purge_walker(struct rtentry *rt, 
  */
 
 LIST_HEAD(, rttimer_queue)     rttimer_queue_head;
-static int                     rt_init_done = 0;
 
 #define RTTIMER_CALLOUT(r)     {                                       \
        if (r->rtt_func != NULL) {                                      \
@@ -1389,25 +1390,18 @@ rt_timer_init(void)
 {
        static struct timeout   rt_timer_timeout;
 
-       if (rt_init_done)
-               panic("rt_timer_init: already initialized");
-
        pool_init(&rttimer_pool, sizeof(struct rttimer), 0, IPL_SOFTNET, 0,
            "rttmr", NULL);
 
        LIST_INIT(&rttimer_queue_head);
        timeout_set_proc(&rt_timer_timeout, rt_timer_timer, &rt_timer_timeout);
        timeout_add_sec(&rt_timer_timeout, 1);
-       rt_init_done = 1;
 }
 
 struct rttimer_queue *
 rt_timer_queue_create(u_int timeout)
 {
        struct rttimer_queue    *rtq;
-
-       if (rt_init_done == 0)
-               rt_timer_init();
 
        if ((rtq = malloc(sizeof(*rtq), M_RTABLE, M_NOWAIT|M_ZERO)) == NULL)
                return (NULL);