diff options
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 13 | ||||
| -rw-r--r-- | init/main.c | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig index f5dbc6d4261b..9a0592516f48 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -791,6 +791,19 @@ config RCU_NOCB_CPU_ALL endchoice +config RCU_EXPEDITE_BOOT + bool + default n + help + This option enables expedited grace periods at boot time, + as if rcu_expedite_gp() had been invoked early in boot. + The corresponding rcu_unexpedite_gp() is invoked from + rcu_end_inkernel_boot(), which is intended to be invoked + at the end of the kernel-only boot sequence, just before + init is exec'ed. + + Accept the default if unsure. + endmenu # "RCU Subsystem" config BUILD_BIN2C diff --git a/init/main.c b/init/main.c index 54565bf57beb..e82171b99874 100644 --- a/init/main.c +++ b/init/main.c @@ -384,6 +384,7 @@ static noinline void __init_refok rest_init(void) int pid; rcu_scheduler_starting(); + smpboot_thread_init(); /* * We need to spawn init first so that it obtains pid 1, however * the init task will end up wanting to create kthreads, which, if |