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The Linux kernel configuration item CONFIG_SCHED_SMT has multiple definitions:
arch/KconfigThe configuration item CONFIG_SCHED_SMT:
CONFIG_ARCH_SUPPORTS_SCHED_SMTImproves the CPU scheduler's decision making when dealing with MultiThreading at a cost of slightly increased overhead in some places. If unsure say N here.
arch/sparc/KconfigThe configuration item CONFIG_SCHED_SMT:
CONFIG_SPARC64 && CONFIG_SMPSMT scheduler support improves the CPU scheduler's decision making when dealing with SPARC cpus at a cost of slightly increased overhead in some places. If unsure say N here.
arch/powerpc/KconfigThe configuration item CONFIG_SCHED_SMT:
CONFIG_PPC64 && CONFIG_SMPSMT scheduler support improves the CPU scheduler's decision making when dealing with POWER5 cpus at a cost of slightly increased overhead in some places. If unsure say N here.
arch/mips/KconfigThe configuration item CONFIG_SCHED_SMT:
CONFIG_SYS_SUPPORTS_SCHED_SMTSMT scheduler support improves the CPU scheduler's decision making when dealing with MIPS MT enabled cores at a cost of slightly increased overhead in some places. If unsure say N here.
arch/loongarch/KconfigThe configuration item CONFIG_SCHED_SMT:
CONFIG_SMPImproves scheduler's performance when there are multiple threads in one physical core.
arch/arm64/KconfigThe configuration item CONFIG_SCHED_SMT:
(none)Improves the CPU scheduler's decision making when dealing with MultiThreading at a cost of slightly increased overhead in some places. If unsure say N here.
arch/arm/KconfigThe configuration item CONFIG_SCHED_SMT:
CONFIG_ARM_CPU_TOPOLOGYImproves the CPU scheduler's decision making when dealing with MultiThreading at a cost of slightly increased overhead in some places. If unsure say N here.
arch/x86/KconfigThe configuration item CONFIG_SCHED_SMT:
CONFIG_SMP(none)
arch/s390/KconfigThe configuration item CONFIG_SCHED_SMT:
(none)(none)
arch/ia64/KconfigThe configuration item CONFIG_SCHED_SMT:
CONFIG_SMPImproves the CPU scheduler's decision making when dealing with Intel IA64 chips with MultiThreading at a cost of slightly increased overhead in some places. If unsure say N here.
arch/x86/KconfigThe configuration item CONFIG_SCHED_SMT:
CONFIG_SMPSMT scheduler support improves the CPU scheduler's decision making when dealing with Intel Pentium 4 chips with HyperThreading at a cost of slightly increased overhead in some places. If unsure say N here.
arch/sparc64/KconfigThe configuration item CONFIG_SCHED_SMT:
CONFIG_SMPSMT scheduler support improves the CPU scheduler's decision making when dealing with SPARC cpus at a cost of slightly increased overhead in some places. If unsure say N here.
arch/x86_64/KconfigThe configuration item CONFIG_SCHED_SMT:
CONFIG_SMPSMT scheduler support improves the CPU scheduler's decision making when dealing with Intel Pentium 4 chips with HyperThreading at a cost of slightly increased overhead in some places. If unsure say N here.
arch/i386/KconfigThe configuration item CONFIG_SCHED_SMT:
CONFIG_X86_HTSMT scheduler support improves the CPU scheduler's decision making when dealing with Intel Pentium 4 chips with HyperThreading at a cost of slightly increased overhead in some places. If unsure say N here.
arch/ppc64/KconfigThe configuration item CONFIG_SCHED_SMT:
CONFIG_SMPSMT scheduler support improves the CPU scheduler's decision making when dealing with POWER5 cpus at a cost of slightly increased overhead in some places. If unsure say N here.
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