diff options
Diffstat (limited to 'arch/Kconfig')
-rw-r--r-- | arch/Kconfig | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 366ec06a5185..cc74aaea116c 100644 --- a/arch/Kconfig +++ b/arch/Kconfig | |||
@@ -300,15 +300,16 @@ config SECCOMP_FILTER | |||
300 | 300 | ||
301 | See Documentation/prctl/seccomp_filter.txt for details. | 301 | See Documentation/prctl/seccomp_filter.txt for details. |
302 | 302 | ||
303 | config HAVE_RCU_USER_QS | 303 | config HAVE_CONTEXT_TRACKING |
304 | bool | 304 | bool |
305 | help | 305 | help |
306 | Provide kernel entry/exit hooks necessary for userspace | 306 | Provide kernel/user boundaries probes necessary for subsystems |
307 | RCU extended quiescent state. Syscalls need to be wrapped inside | 307 | that need it, such as userspace RCU extended quiescent state. |
308 | rcu_user_exit()-rcu_user_enter() through the slow path using | 308 | Syscalls need to be wrapped inside user_exit()-user_enter() through |
309 | TIF_NOHZ flag. Exceptions handlers must be wrapped as well. Irqs | 309 | the slow path using TIF_NOHZ flag. Exceptions handlers must be |
310 | are already protected inside rcu_irq_enter/rcu_irq_exit() but | 310 | wrapped as well. Irqs are already protected inside |
311 | preemption or signal handling on irq exit still need to be protected. | 311 | rcu_irq_enter/rcu_irq_exit() but preemption or signal handling on |
312 | irq exit still need to be protected. | ||
312 | 313 | ||
313 | config HAVE_VIRT_CPU_ACCOUNTING | 314 | config HAVE_VIRT_CPU_ACCOUNTING |
314 | bool | 315 | bool |