[src/trunk]: src/sys/rump/librump/rumpkern Do lwp0 initialisation as early as...

[njoly <njoly%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/de8dc247b52e
branches:  trunk
changeset: 791443:de8dc247b52e
user:      njoly <njoly%NetBSD.org@localhost>
date:      Mon Nov 18 18:45:29 2013 +0000

description:
Do lwp0 initialisation as early as possible, right after
rumpuser_init(). This makes rump applications work again when
RUMP_LOCKDEBUG is enabled.

ok pooka.

diffstat:

 sys/rump/librump/rumpkern/rump.c |  24 ++++++++++++------------
 1 files changed, 12 insertions(+), 12 deletions(-)

diffs (52 lines):

diff -r 801f0433f00e -r de8dc247b52e sys/rump/librump/rumpkern/rump.c
--- a/sys/rump/librump/rumpkern/rump.c  Mon Nov 18 18:17:19 2013 +0000
+++ b/sys/rump/librump/rumpkern/rump.c  Mon Nov 18 18:45:29 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rump.c,v 1.275 2013/09/09 19:18:08 pooka Exp $ */
+/*     $NetBSD: rump.c,v 1.276 2013/11/18 18:45:29 njoly Exp $ */
 
 /*
  * Copyright (c) 2007-2011 Antti Kantee.  All Rights Reserved.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rump.c,v 1.275 2013/09/09 19:18:08 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rump.c,v 1.276 2013/11/18 18:45:29 njoly Exp $");
 
 #include <sys/systm.h>
 #define ELFSIZE ARCH_ELFSIZE
@@ -268,6 +268,16 @@
                return EINVAL;
        }
 
+       /* init minimal lwp/cpu context */
+       l = &lwp0;
+       l->l_lid = 1;
+       l->l_cpu = l->l_target_cpu = rump_cpu;
+       l->l_fd = &filedesc0;
+
+       /* lwp0 isn't created like other threads, so notify hypervisor here */
+       rumpuser_curlwpop(RUMPUSER_LWP_CREATE, l);
+       rumpuser_curlwpop(RUMPUSER_LWP_SET, l);
+
        /* retrieve env vars which affect the early stage of bootstrap */
        if (rumpuser_getparam("RUMP_THREADS", buf, sizeof(buf)) == 0) {
                rump_threads = *buf != '0';
@@ -297,16 +307,6 @@
 
        rump_intr_init(numcpu);
 
-       /* init minimal lwp/cpu context */
-       l = &lwp0;
-       l->l_lid = 1;
-       l->l_cpu = l->l_target_cpu = rump_cpu;
-       l->l_fd = &filedesc0;
-
-       /* lwp0 isn't created like other threads, so notify hypervisor here */
-       rumpuser_curlwpop(RUMPUSER_LWP_CREATE, l);
-       rumpuser_curlwpop(RUMPUSER_LWP_SET, l);
-
        rump_tsleep_init();
 
        rumpuser_mutex_init(&rump_giantlock, RUMPUSER_MTX_SPIN);