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| author | Wanpeng Li <wanpengli@tencent.com> | 2018-03-25 06:18:35 +0200 |
|---|---|---|
| committer | Radim Krčmář <rkrcmar@redhat.com> | 2018-03-28 15:53:34 +0200 |
| commit | 17a1079d9c63579d6e392a526405b8888e9ede37 (patch) | |
| tree | 45a51ab7dd342614895bcaf790ba223744d4d519 /arch | |
| parent | KVM: nVMX: sync vmcs02 segment regs prior to vmx_set_cr0 (diff) | |
| download | linux-17a1079d9c63579d6e392a526405b8888e9ede37.tar.xz linux-17a1079d9c63579d6e392a526405b8888e9ede37.zip | |
KVM: x86: Fix pv tlb flush dependencies
PV TLB FLUSH can only be turned on when steal time is enabled.
The condition got reversed during conflict resolution.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Fixes: 4f2f61fc5071 ("KVM: X86: Avoid traversing all the cpus for pv tlb flush when steal time is disabled")
[Rebased on top of kvm/master and reworded the commit message. - Radim]
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/kvm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index bc1a27280c4b..fae86e36e399 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -546,7 +546,7 @@ static void __init kvm_guest_init(void) } if (kvm_para_has_feature(KVM_FEATURE_PV_TLB_FLUSH) && - !kvm_para_has_feature(KVM_FEATURE_STEAL_TIME)) + kvm_para_has_feature(KVM_FEATURE_STEAL_TIME)) pv_mmu_ops.flush_tlb_others = kvm_flush_tlb_others; if (kvm_para_has_feature(KVM_FEATURE_PV_EOI)) @@ -635,7 +635,7 @@ static __init int kvm_setup_pv_tlb_flush(void) int cpu; if (kvm_para_has_feature(KVM_FEATURE_PV_TLB_FLUSH) && - !kvm_para_has_feature(KVM_FEATURE_STEAL_TIME)) { + kvm_para_has_feature(KVM_FEATURE_STEAL_TIME)) { for_each_possible_cpu(cpu) { zalloc_cpumask_var_node(per_cpu_ptr(&__pv_tlb_mask, cpu), GFP_KERNEL, cpu_to_node(cpu)); |