KVM: x86: Uncondtionally skip MMU sync/TLB flush in MOV CR3's PGD switch

Stop leveraging the MMU sync and TLB flush requested by the fast PGD
switch helper now that kvm_set_cr3() manually handles the necessary sync,
frees, and TLB flush.  This will allow dropping the params from the fast
PGD helpers since nested SVM is now the odd blob out.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210609234235.1244004-6-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8ed5f32..7d2c7a3 100644 (file)
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1115,7 +1115,7 @@ int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3)
                return 1;
 
        if (cr3 != kvm_read_cr3(vcpu))
-               kvm_mmu_new_pgd(vcpu, cr3, skip_tlb_flush, skip_tlb_flush);
+               kvm_mmu_new_pgd(vcpu, cr3, true, true);
 
        vcpu->arch.cr3 = cr3;
        kvm_register_mark_available(vcpu, VCPU_EXREG_CR3);