diff options
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 15 | ||||
| -rw-r--r-- | init/main.c | 3 |
2 files changed, 16 insertions, 2 deletions
diff --git a/init/Kconfig b/init/Kconfig index f5dbc6d4261b..a905b7301e10 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 @@ -1513,7 +1526,7 @@ config EVENTFD # syscall, maps, verifier config BPF_SYSCALL - bool "Enable bpf() system call" if EXPERT + bool "Enable bpf() system call" select ANON_INODES select BPF default n diff --git a/init/main.c b/init/main.c index f6dd8fe1f22c..a7e969d12f51 100644 --- a/init/main.c +++ b/init/main.c @@ -144,7 +144,7 @@ EXPORT_SYMBOL_GPL(static_key_initialized); * rely on the BIOS and skip the reset operation. * * This is useful if kernel is booting in an unreliable environment. - * For ex. kdump situaiton where previous kernel has crashed, BIOS has been + * For ex. kdump situation where previous kernel has crashed, BIOS has been * skipped and devices will be in unknown state. */ unsigned int reset_devices; @@ -385,6 +385,7 @@ 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 |