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-rw-r--r--arch/x86/Kconfig12
1 files changed, 1 insertions, 11 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 8ec3a1aa4abd..b86833aed83c 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -97,6 +97,7 @@ config X86
97 select KTIME_SCALAR if X86_32 97 select KTIME_SCALAR if X86_32
98 select GENERIC_STRNCPY_FROM_USER 98 select GENERIC_STRNCPY_FROM_USER
99 select GENERIC_STRNLEN_USER 99 select GENERIC_STRNLEN_USER
100 select HAVE_IRQ_TIME_ACCOUNTING
100 101
101config INSTRUCTION_DECODER 102config INSTRUCTION_DECODER
102 def_bool (KPROBES || PERF_EVENTS || UPROBES) 103 def_bool (KPROBES || PERF_EVENTS || UPROBES)
@@ -796,17 +797,6 @@ config SCHED_MC
796 making when dealing with multi-core CPU chips at a cost of slightly 797 making when dealing with multi-core CPU chips at a cost of slightly
797 increased overhead in some places. If unsure say N here. 798 increased overhead in some places. If unsure say N here.
798 799
799config IRQ_TIME_ACCOUNTING
800 bool "Fine granularity task level IRQ time accounting"
801 default n
802 ---help---
803 Select this option to enable fine granularity task irq time
804 accounting. This is done by reading a timestamp on each
805 transitions between softirq and hardirq state, so there can be a
806 small performance impact.
807
808 If in doubt, say N here.
809
810source "kernel/Kconfig.preempt" 800source "kernel/Kconfig.preempt"
811 801
812config X86_UP_APIC 802config X86_UP_APIC