From 49b424fedaf88d0fa9913082b8c1ccd012a8a972 Mon Sep 17 00:00:00 2001 From: Max Filippov Date: Thu, 17 Oct 2013 02:42:28 +0400 Subject: xtensa: implement CPU hotplug Signed-off-by: Max Filippov Signed-off-by: Chris Zankel --- arch/xtensa/Kconfig | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'arch/xtensa/Kconfig') diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 4b09c60b6b30..70a160be3464 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -140,6 +140,15 @@ config NR_CPUS range 2 32 default "4" +config HOTPLUG_CPU + bool "Enable CPU hotplug support" + depends on SMP + help + Say Y here to allow turning CPUs off and on. CPUs can be + controlled through /sys/devices/system/cpu. + + Say N if you want to disable CPU hotplug. + config MATH_EMULATION bool "Math emulation" help -- cgit