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Subject[PATCH 2/2] KVM: X86: Fix disable pv tlb flush when steal time is enabled
Date
From: Wanpeng Li <wanpengli@tencent.com>

PV TLB FLUSH can be turned on when steal time is enabled. The condition
reverse when the patch is sent out for several rounds review by mistake.
This patch fixes it.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
---
arch/x86/kernel/kvm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 31ac585..4f859cc 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -555,7 +555,7 @@ static void __init kvm_guest_init(void)

if (kvm_para_has_feature(KVM_FEATURE_PV_TLB_FLUSH) &&
!kvm_para_has_hint(KVM_HINTS_DEDICATED) &&
- !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))
@@ -651,7 +651,7 @@ static __init int kvm_setup_pv_tlb_flush(void)

if (kvm_para_has_feature(KVM_FEATURE_PV_TLB_FLUSH) &&
!kvm_para_has_hint(KVM_HINTS_DEDICATED) &&
- !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));
--
2.7.4
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