diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c index bbc440c93e0881..1123ef3ccf9011 100644 --- a/arch/x86/kernel/tsc_sync.c +++ b/arch/x86/kernel/tsc_sync.c @@ -15,6 +15,7 @@ * ( The serial nature of the boot logic and the CPU hotplug lock * protects against more than 2 CPUs entering this code. ) */ +#include #include #include #include @@ -342,6 +343,13 @@ static inline unsigned int loop_timeout(int cpu) return (cpumask_weight(topology_core_cpumask(cpu)) > 1) ? 2 : 20; } +static void tsc_sync_mark_tsc_unstable(struct work_struct *work) +{ + mark_tsc_unstable("check_tsc_sync_source failed"); +} + +static DECLARE_WORK(tsc_sync_work, tsc_sync_mark_tsc_unstable); + /* * The freshly booted CPU initiates this via an async SMP function call. */ @@ -395,7 +403,7 @@ static void check_tsc_sync_source(void *__cpu) "turning off TSC clock.\n", max_warp); if (random_warps) pr_warn("TSC warped randomly between CPUs\n"); - mark_tsc_unstable("check_tsc_sync_source failed"); + schedule_work(&tsc_sync_work); } /*