From 144cdeafa2160519ac3644da119f69d4d189fa84 Mon Sep 17 00:00:00 2001 From: Jiufei Xue Date: Mon, 14 Jan 2019 12:56:30 +0800 Subject: [PATCH] kconfig: Disable x86 clocksource watchdog Unstable tsc will trigger clocksource watchdog and disable itself, as a result other clocksource will be elected as the current clocksource which will result in performace issue on our servers. RHEL7 also disabled this feature for some issues, see changelog: [x86] disable clocksource watchdog (Prarit Bhargava) [914709] Signed-off-by: Jiufei Xue Acked-by: Joseph Qi --- arch/x86/Kconfig | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 44c6a82b7ce5..e48b2eb72c69 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -87,7 +87,6 @@ config X86 select BUILDTIME_EXTABLE_SORT select CLKEVT_I8253 select CLOCKSOURCE_VALIDATE_LAST_CYCLE - select CLOCKSOURCE_WATCHDOG select DCACHE_WORD_ACCESS select DMA_DIRECT_OPS select EDAC_ATOMIC_SCRUB -- GitLab