I suggested a similar patch on the linux-arm-kernel ML. (That patch is a bit more conservative because it changes kernel/Kconfig.preempt not to modify the available options.) Anyhow, to get the definition of PREEMPT_RT this patch is fine for the -rt series. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> Cc: Tim Sander <tim01@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- arch/arm/Kconfig | 13 +------------ 1 files changed, 1 insertions(+), 12 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index dbfdf87..ceb2e01 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -838,18 +838,7 @@ config LOCAL_TIMERS accounting to be spread across the timer interval, preventing a "thundering herd" at every timer tick. -config PREEMPT - bool "Preemptible Kernel (EXPERIMENTAL)" - depends on EXPERIMENTAL - 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. - - Say Y here if you are building a kernel for a desktop, embedded - or real-time system. Say N if you are unsure. +source kernel/Kconfig.preempt config HZ int -- tg: (ff0b86d..) t/rt/source_kernel_Kconfig.preempt (depends on: rt-base) -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
