diff options
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 40 | ||||
| -rw-r--r-- | init/main.c | 1 |
2 files changed, 41 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig index 322b1f8c21b..4e009fde4b6 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -475,13 +475,53 @@ config FUTEX support for "fast userspace mutexes". The resulting kernel may not run glibc-based applications correctly. +config ANON_INODES + bool "Enable anonymous inode source" if EMBEDDED + default y + help + Anonymous inode source for pseudo-files like epoll, signalfd, + timerfd and eventfd. + + If unsure, say Y. + config EPOLL bool "Enable eventpoll support" if EMBEDDED default y + depends on ANON_INODES help Disabling this option will cause the kernel to be built without support for epoll family of system calls. +config SIGNALFD + bool "Enable signalfd() system call" if EMBEDDED + depends on ANON_INODES + default y + help + Enable the signalfd() system call that allows to receive signals + on a file descriptor. + + If unsure, say Y. + +config TIMERFD + bool "Enable timerfd() system call" if EMBEDDED + depends on ANON_INODES + default y + help + Enable the timerfd() system call that allows to receive timer + events on a file descriptor. + + If unsure, say Y. + +config EVENTFD + bool "Enable eventfd() system call" if EMBEDDED + depends on ANON_INODES + default y + help + Enable the eventfd() system call that allows to receive both + kernel notification (ie. KAIO) or userspace notifications. + + If unsure, say Y. + config SHMEM bool "Use full shmem filesystem" if EMBEDDED default y diff --git a/init/main.c b/init/main.c index e8d080cab44..1940fa75e82 100644 --- a/init/main.c +++ b/init/main.c @@ -801,6 +801,7 @@ static int __init kernel_init(void * unused) */ init_pid_ns.child_reaper = current; + __set_special_pids(1, 1); cad_pid = task_pid(current); smp_prepare_cpus(max_cpus); |