diff options
| author | Uladzislau Rezki (Sony) <urezki@gmail.com> | 2020-12-09 21:27:31 +0100 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2020-12-14 15:31:13 -0800 |
| commit | 1b04fa9900263b4e217ca2509fd778b32c2b4eb2 (patch) | |
| tree | 9d5e4a413b1e641955514dc16b4b2ba4a7924c5e /init | |
| parent | 0477e92881850d44910a7e94fc2c46f96faa131f (diff) | |
| download | lwn-1b04fa9900263b4e217ca2509fd778b32c2b4eb2.tar.gz lwn-1b04fa9900263b4e217ca2509fd778b32c2b4eb2.zip | |
rcu-tasks: Move RCU-tasks initialization to before early_initcall()
PowerPC testing encountered boot failures due to RCU Tasks not being
fully initialized until core_initcall() time. This commit therefore
initializes RCU Tasks (along with Rude RCU and RCU Tasks Trace) just
before early_initcall() time, thus allowing waiting on RCU Tasks grace
periods from early_initcall() handlers.
Link: https://lore.kernel.org/rcu/87eekfh80a.fsf@dja-thinkpad.axtens.net/
Fixes: 36dadef23fcc ("kprobes: Init kprobes in early_initcall")
Tested-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'init')
| -rw-r--r-- | init/main.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/init/main.c b/init/main.c index 32b2a8affafd..9d964511fe0c 100644 --- a/init/main.c +++ b/init/main.c @@ -1512,6 +1512,7 @@ static noinline void __init kernel_init_freeable(void) init_mm_internals(); + rcu_init_tasks_generic(); do_pre_smp_initcalls(); lockup_detector_init(); |