Re: [PATCH v3 17/37] KVM: SVM: Wire up ->tlb_flush_guest() directly to svm_flush_tlb()
From: Vitaly Kuznetsov
Date: Wed Mar 25 2020 - 07:23:52 EST
Sean Christopherson <sean.j.christopherson@xxxxxxxxx> writes:
> Use svm_flush_tlb() directly for kvm_x86_ops->tlb_flush_guest() now that
> the @invalidate_gpa param to ->tlb_flush() is gone, i.e. the wrapper for
> ->tlb_flush_guest() is no longer necessary.
>
> No functional change intended.
>
> Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
> ---
> arch/x86/kvm/svm.c | 7 +------
> 1 file changed, 1 insertion(+), 6 deletions(-)
>
> diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
> index 62fa45dcb6a4..dfa3b53f8437 100644
> --- a/arch/x86/kvm/svm.c
> +++ b/arch/x86/kvm/svm.c
> @@ -5643,11 +5643,6 @@ static void svm_flush_tlb_gva(struct kvm_vcpu *vcpu, gva_t gva)
> invlpga(gva, svm->vmcb->control.asid);
> }
>
> -static void svm_flush_tlb_guest(struct kvm_vcpu *vcpu)
> -{
> - svm_flush_tlb(vcpu);
> -}
> -
> static void svm_prepare_guest_switch(struct kvm_vcpu *vcpu)
> {
> }
> @@ -7405,7 +7400,7 @@ static struct kvm_x86_ops svm_x86_ops __ro_after_init = {
>
> .tlb_flush = svm_flush_tlb,
> .tlb_flush_gva = svm_flush_tlb_gva,
> - .tlb_flush_guest = svm_flush_tlb_guest,
> + .tlb_flush_guest = svm_flush_tlb,
>
> .run = svm_vcpu_run,
> .handle_exit = handle_exit,
Reviewed-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
--
Vitaly