diff options
Diffstat (limited to 'arch/x86/kernel/kvm.c')
| -rw-r--r-- | arch/x86/kernel/kvm.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index 172c947240b9..5d32fa477a62 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -613,7 +613,7 @@ static int kvm_cpu_down_prepare(unsigned int cpu) } #endif -static void kvm_flush_tlb_others(const struct cpumask *cpumask, +static void kvm_flush_tlb_multi(const struct cpumask *cpumask, const struct flush_tlb_info *info) { u8 state; @@ -627,6 +627,11 @@ static void kvm_flush_tlb_others(const struct cpumask *cpumask, * queue flush_on_enter for pre-empted vCPUs */ for_each_cpu(cpu, flushmask) { + /* + * The local vCPU is never preempted, so we do not explicitly + * skip check for local vCPU - it will never be cleared from + * flushmask. + */ src = &per_cpu(steal_time, cpu); state = READ_ONCE(src->preempted); if ((state & KVM_VCPU_PREEMPTED)) { @@ -636,7 +641,7 @@ static void kvm_flush_tlb_others(const struct cpumask *cpumask, } } - native_flush_tlb_others(flushmask, info); + native_flush_tlb_multi(flushmask, info); } static void __init kvm_guest_init(void) @@ -654,7 +659,7 @@ static void __init kvm_guest_init(void) } if (pv_tlb_flush_supported()) { - pv_ops.mmu.flush_tlb_others = kvm_flush_tlb_others; + pv_ops.mmu.flush_tlb_multi = kvm_flush_tlb_multi; pv_ops.mmu.tlb_remove_table = tlb_remove_table; pr_info("KVM setup pv remote TLB flush\n"); } |