aboutsummaryrefslogtreecommitdiffstats
path: root/init/main.c
diff options
context:
space:
mode:
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2010-02-22 17:04:50 -0800
committerIngo Molnar <mingo@elte.hu>2010-02-25 10:34:26 +0100
commitd11c563dd20ff35da5652c3e1c989d9e10e1d6d0 (patch)
treeb189f50de7a01d7603935d4da7e755d764dfe67e /init/main.c
parenta898def29e4119bc01ebe7ca97423181f4c0ea2d (diff)
downloadmrst-s0i3-test-d11c563dd20ff35da5652c3e1c989d9e10e1d6d0.tar.gz
mrst-s0i3-test-d11c563dd20ff35da5652c3e1c989d9e10e1d6d0.tar.xz
mrst-s0i3-test-d11c563dd20ff35da5652c3e1c989d9e10e1d6d0.zip
sched: Use lockdep-based checking on rcu_dereference()
Update the rcu_dereference() usages to take advantage of the new lockdep-based checking. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: laijs@cn.fujitsu.com Cc: dipankar@in.ibm.com Cc: mathieu.desnoyers@polymtl.ca Cc: josh@joshtriplett.org Cc: dvhltc@us.ibm.com Cc: niv@us.ibm.com Cc: peterz@infradead.org Cc: rostedt@goodmis.org Cc: Valdis.Kletnieks@vt.edu Cc: dhowells@redhat.com LKML-Reference: <1266887105-1528-6-git-send-email-paulmck@linux.vnet.ibm.com> [ -v2: fix allmodconfig missing symbol export build failure on x86 ] Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'init/main.c')
-rw-r--r--init/main.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/init/main.c b/init/main.c
index 4cb47a159f0..c75dcd6eef0 100644
--- a/init/main.c
+++ b/init/main.c
@@ -416,7 +416,9 @@ static noinline void __init_refok rest_init(void)
kernel_thread(kernel_init, NULL, CLONE_FS | CLONE_SIGHAND);
numa_default_policy();
pid = kernel_thread(kthreadd, NULL, CLONE_FS | CLONE_FILES);
+ rcu_read_lock();
kthreadd_task = find_task_by_pid_ns(pid, &init_pid_ns);
+ rcu_read_unlock();
unlock_kernel();
/*