diff options
Diffstat (limited to 'arch/x86_64/Kconfig')
| -rw-r--r-- | arch/x86_64/Kconfig | 29 |
1 files changed, 2 insertions, 27 deletions
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index 92f5a526602..a853d87ff7e 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig @@ -207,33 +207,6 @@ config SMP If you don't know what to do here, say N. -config PREEMPT - bool "Preemptible Kernel" - ---help--- - This option reduces the latency of the kernel when reacting to - real-time or interactive events by allowing a low priority process to - be preempted even if it is in kernel mode executing a system call. - This allows applications to run more reliably even when the system is - under load. On contrary it may also break your drivers and add - priority inheritance problems to your system. Don't select it if - you rely on a stable system or have slightly obscure hardware. - It's also not very well tested on x86-64 currently. - You have been warned. - - Say Y here if you are feeling brave and building a kernel for a - desktop, embedded or real-time system. Say N if you are unsure. - -config PREEMPT_BKL - bool "Preempt The Big Kernel Lock" - depends on PREEMPT - default y - help - This option reduces the latency of the kernel by making the - big kernel lock preemptible. - - Say Y here if you are building a kernel for a desktop system. - Say N if you are unsure. - config SCHED_SMT bool "SMT (Hyperthreading) scheduler support" depends on SMP @@ -244,6 +217,8 @@ config SCHED_SMT cost of slightly increased overhead in some places. If unsure say N here. +source "kernel/Kconfig.preempt" + config K8_NUMA bool "K8 NUMA support" select NUMA |