diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index ebbc4d8ab170..a7d2db9a74fb 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -230,6 +230,15 @@ static inline unsigned long long paravirt_sched_clock(void) return PVOP_CALL0(unsigned long long, pv_time_ops.sched_clock); } +struct jump_label_key; +extern struct jump_label_key paravirt_steal_enabled; +extern struct jump_label_key paravirt_steal_rq_enabled; + +static inline u64 paravirt_steal_clock(int cpu) +{ + return PVOP_CALL1(u64, pv_time_ops.steal_clock, cpu); +} + static inline unsigned long long paravirt_read_pmc(int counter) { return PVOP_CALL1(u64, pv_cpu_ops.read_pmc, counter); diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index 82885099c869..2c7652163111 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -89,6 +89,7 @@ struct pv_lazy_ops { struct pv_time_ops { unsigned long long (*sched_clock)(void); + unsigned long long (*steal_clock)(int cpu); unsigned long (*get_tsc_khz)(void); }; diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index 869e1aeeb71b..613a7931ecc1 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -202,6 +202,14 @@ static void native_flush_tlb_single(unsigned long addr) __native_flush_tlb_single(addr); } +struct jump_label_key paravirt_steal_enabled; +struct jump_label_key paravirt_steal_rq_enabled; + +static u64 native_steal_clock(int cpu) +{ + return 0; +} + /* These are in entry.S */ extern void native_iret(void); extern void native_irq_enable_sysexit(void); @@ -307,6 +315,7 @@ struct pv_init_ops pv_init_ops = { struct pv_time_ops pv_time_ops = { .sched_clock = native_sched_clock, + .steal_clock = native_steal_clock, }; struct pv_irq_ops pv_irq_ops = {