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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 8ff1f56a0188..488ba8da8fef 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -101,6 +101,7 @@ config X86
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
select HAVE_RCU_USER_QS if X86_64
+ select HAVE_IRQ_TIME_ACCOUNTING
config INSTRUCTION_DECODER
def_bool (KPROBES || PERF_EVENTS || UPROBES)
@@ -800,17 +801,6 @@ config SCHED_MC
making when dealing with multi-core CPU chips at a cost of slightly
increased overhead in some places. If unsure say N here.
-config IRQ_TIME_ACCOUNTING
- bool "Fine granularity task level IRQ time accounting"
- default n
- ---help---
- Select this option to enable fine granularity task irq time
- accounting. This is done by reading a timestamp on each
- transitions between softirq and hardirq state, so there can be a
- small performance impact.
-
- If in doubt, say N here.
-
source "kernel/Kconfig.preempt"
config X86_UP_APIC