diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index daa75ce..5a40cfe 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -690,12 +690,19 @@ config EFI kernel should continue to boot on existing non-EFI platforms. config IRQBALANCE - bool "Enable kernel irq balancing" + bool "Enable kernel irq balancing (obsolete)" depends on SMP && X86_IO_APIC - default y + default n help - The default yes will allow the kernel to do irq load balancing. - Saying no will keep the kernel from doing irq load balancing. + The kernel irq balance will migrate interrupts between cpu's + constantly, which may help reduce load in some cases. It is not + beneficial for latency however, and a user-space daemon is available + that does a much better job. + + The default no will keep the kernel from doing irq load balancing. + Say yes will allow the kernel to do irq load balancing. + + If unsure, say N. # turning this on wastes a bunch of space. # Summit needs it only when NUMA is on