diff options
author | Con Kolivas <kernel@kolivas.org> | 2019-10-25 14:00:52 +1100 |
---|---|---|
committer | Con Kolivas <kernel@kolivas.org> | 2019-10-25 17:01:56 +1100 |
commit | 7523eb72b6b9f9289618231aab60efb5577d8f33 (patch) | |
tree | 95bb3c5dcb67fc38d32839dd78aaf59451216ca9 /arch | |
parent | 4d856f72c10ecb060868ed10ff1b1453943fc6c8 (diff) |
MultiQueue Skiplist Scheduler v0.195.5.3-muqss-195
Diffstat (limited to 'arch')
-rw-r--r-- | arch/alpha/Kconfig | 2 | ||||
-rw-r--r-- | arch/arm/Kconfig | 2 | ||||
-rw-r--r-- | arch/arm64/Kconfig | 2 | ||||
-rw-r--r-- | arch/powerpc/Kconfig | 2 | ||||
-rw-r--r-- | arch/powerpc/platforms/cell/spufs/sched.c | 5 | ||||
-rw-r--r-- | arch/x86/Kconfig | 18 |
6 files changed, 26 insertions, 5 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index f7b19b813a70..df503f68a2a2 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -664,6 +664,8 @@ config HZ default 1200 if HZ_1200 default 1024 +source "kernel/Kconfig.MuQSS" + config SRM_ENV tristate "SRM environment through procfs" depends on PROC_FS diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 24360211534a..73e9db695b86 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1333,6 +1333,8 @@ config SCHED_SMT MultiThreading at a cost of slightly increased overhead in some places. If unsure say N here. +source "kernel/Kconfig.MuQSS" + config HAVE_ARM_SCU bool help diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 3adcec05b1f6..d3d1c50feb92 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -830,6 +830,8 @@ config SCHED_SMT MultiThreading at a cost of slightly increased overhead in some places. If unsure say N here. +source "kernel/Kconfig.MuQSS" + config NR_CPUS int "Maximum number of CPUs (2-4096)" range 2 4096 diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index d8dcd8820369..d8224081f24c 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -830,6 +830,8 @@ config SCHED_SMT when dealing with POWER5 cpus at a cost of slightly increased overhead in some places. If unsure say N here. +source "kernel/Kconfig.MuQSS" + config PPC_DENORMALISATION bool "PowerPC denormalisation exception handling" depends on PPC_BOOK3S_64 diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index f18d5067cd0f..fe489fc01c73 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -52,11 +52,6 @@ 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 222855cc0158..9d382fa9951c 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1025,6 +1025,22 @@ config NR_CPUS config SCHED_SMT def_bool y if SMP +config SMT_NICE + bool "SMT (Hyperthreading) aware nice priority and policy support" + depends on SCHED_MUQSS && 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" @@ -1055,6 +1071,8 @@ config SCHED_MC_PRIO If unsure say Y here. +source "kernel/Kconfig.MuQSS" + config UP_LATE_INIT def_bool y depends on !SMP && X86_LOCAL_APIC |