diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2011-06-17 12:39:57 +0200 |
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committer | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2016-12-23 17:13:36 +0100 |
commit | 8cb448b140de3fe746a6c9b5f8af860f72db1cfa (patch) | |
tree | 3cea58f015ef9e5ad5613d025c4a19d2b3bee13a /kernel/Kconfig.preempt | |
parent | 76fbba5feab4501a873248460c5f377f8e62e3d3 (diff) | |
download | linux-rt-8cb448b140de3fe746a6c9b5f8af860f72db1cfa.tar.gz |
rt: Provide PREEMPT_RT_BASE config switch
Introduce PREEMPT_RT_BASE which enables parts of
PREEMPT_RT_FULL. Forces interrupt threading and enables some of the RT
substitutions for testing.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/Kconfig.preempt')
-rw-r--r-- | kernel/Kconfig.preempt | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/kernel/Kconfig.preempt b/kernel/Kconfig.preempt index 3f9c97419f02..c669134982ec 100644 --- a/kernel/Kconfig.preempt +++ b/kernel/Kconfig.preempt @@ -1,3 +1,10 @@ +config PREEMPT + bool + select PREEMPT_COUNT + +config PREEMPT_RT_BASE + bool + select PREEMPT choice prompt "Preemption Model" @@ -33,9 +40,9 @@ config PREEMPT_VOLUNTARY Select this if you are building a kernel for a desktop system. -config PREEMPT +config PREEMPT__LL bool "Preemptible Kernel (Low-Latency Desktop)" - select PREEMPT_COUNT + select PREEMPT select UNINLINE_SPIN_UNLOCK if !ARCH_INLINE_SPIN_UNLOCK help This option reduces the latency of the kernel by making @@ -52,6 +59,14 @@ config PREEMPT embedded system with latency requirements in the milliseconds range. +config PREEMPT_RTB + bool "Preemptible Kernel (Basic RT)" + select PREEMPT_RT_BASE + help + This option is basically the same as (Low-Latency Desktop) but + enables changes which are preliminary for the full preemptible + RT kernel. + endchoice config PREEMPT_COUNT |