diff options
author | Con Kolivas <kernel@kolivas.org> | 2016-10-20 15:38:45 +1100 |
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committer | Con Kolivas <kernel@kolivas.org> | 2016-10-20 15:38:45 +1100 |
commit | a287ece385d06d9eaa0c771316a9e582a5871a2c (patch) | |
tree | 26d1593abfbc0c08fe40ce9ab7576cfbd62e213a /arch | |
parent | 3d1519e3f8501adff16566dbc3c2151d997aafce (diff) |
Revert BFS 512
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/platforms/cell/spufs/sched.c | 5 | ||||
-rw-r--r-- | arch/x86/Kconfig | 22 |
2 files changed, 8 insertions, 19 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index eeb3e32d6c86..460f5f31d5cb 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -64,6 +64,11 @@ static struct timer_list spusched_timer; static struct timer_list spuloadavg_timer; /* + * Priority of a normal, non-rt, non-niced'd process (aka nice level 0). + */ +#define NORMAL_PRIO 120 + +/* * Frequency of the spu scheduler tick. By default we do one SPU scheduler * tick for every 10 CPU scheduler ticks. */ diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index f35684dfffc1..333593f0126f 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -914,26 +914,10 @@ config SCHED_SMT depends on SMP ---help--- SMT scheduler support improves the CPU scheduler's decision making - when dealing with Intel P4/Core 2 chips with HyperThreading at a + when dealing with Intel Pentium 4 chips with HyperThreading at a cost of slightly increased overhead in some places. If unsure say N here. -config SMT_NICE - bool "SMT (Hyperthreading) aware nice priority and policy support" - depends on SCHED_BFS && SCHED_SMT - default y - ---help--- - Enabling Hyperthreading on Intel CPUs decreases the effectiveness - of the use of 'nice' levels and different scheduling policies - (e.g. realtime) due to sharing of CPU power between hyperthreads. - SMT nice support makes each logical CPU aware of what is running on - its hyperthread siblings, maintaining appropriate distribution of - CPU according to nice levels and scheduling policies at the expense - of slightly increased overhead. - - If unsure say Y here. - - config SCHED_MC def_bool y prompt "Multi-core scheduler support" @@ -2052,7 +2036,7 @@ config HOTPLUG_CPU config BOOTPARAM_HOTPLUG_CPU0 bool "Set default setting of cpu0_hotpluggable" default n - depends on HOTPLUG_CPU && !SCHED_BFS + depends on HOTPLUG_CPU ---help--- Set whether default state of cpu0_hotpluggable is on or off. @@ -2081,7 +2065,7 @@ config BOOTPARAM_HOTPLUG_CPU0 config DEBUG_HOTPLUG_CPU0 def_bool n prompt "Debug CPU0 hotplug" - depends on HOTPLUG_CPU && !SCHED_BFS + depends on HOTPLUG_CPU ---help--- Enabling this option offlines CPU0 (if CPU0 can be offlined) as soon as possible and boots up userspace with CPU0 offlined. User |