lib: add support for LZO-compressed kernels

[firefly-linux-kernel-4.4.55.git] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index cb5a57c610751cc58692cc80d1c8b24a29c7182b..73ae02a44cc2e79f23a8fb9d34735c8f5345caee 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -753,6 +753,17 @@ 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