linux-kernel - [PATCH v3 19/37] KVM: nVMX: Move nested_get

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Date:   Fri, 20 Mar 2020 14:28:15 -0700
From:   Sean Christopherson <sean.j.christopherson@...el.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Sean Christopherson <sean.j.christopherson@...el.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Ben Gardon <bgardon@...gle.com>,
        Junaid Shahid <junaids@...gle.com>,
        Liran Alon <liran.alon@...cle.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        John Haxby <john.haxby@...cle.com>,
        Miaohe Lin <linmiaohe@...wei.com>,
        Tom Lendacky <thomas.lendacky@....com>
Subject: [PATCH v3 19/37] KVM: nVMX: Move nested_get_vpid02() to vmx/nested.h

Move nested_get_vpid02() to vmx/nested.h so that a future patch can
reference it from vmx.c to implement context-specific TLB flushing.

No functional change intended.

Signed-off-by: Sean Christopherson <sean.j.christopherson@...el.com>
---
 arch/x86/kvm/vmx/nested.c | 7 -------
 arch/x86/kvm/vmx/nested.h | 7 +++++++
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index 0c71db6fec5a..77819d890088 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -1154,13 +1154,6 @@ static bool nested_has_guest_tlb_tag(struct kvm_vcpu *vcpu)
 	       (nested_cpu_has_vpid(vmcs12) && to_vmx(vcpu)->nested.vpid02);
 }
 
-static u16 nested_get_vpid02(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-
-	return vmx->nested.vpid02 ? vmx->nested.vpid02 : vmx->vpid;
-}
-
 static bool is_bitwise_subset(u64 superset, u64 subset, u64 mask)
 {
 	superset &= mask;
diff --git a/arch/x86/kvm/vmx/nested.h b/arch/x86/kvm/vmx/nested.h
index 21d36652f213..debc5eeb5757 100644
--- a/arch/x86/kvm/vmx/nested.h
+++ b/arch/x86/kvm/vmx/nested.h
@@ -60,6 +60,13 @@ static inline int vmx_has_valid_vmcs12(struct kvm_vcpu *vcpu)
 		vmx->nested.hv_evmcs;
 }
 
+static inline u16 nested_get_vpid02(struct kvm_vcpu *vcpu)
+{
+	struct vcpu_vmx *vmx = to_vmx(vcpu);
+
+	return vmx->nested.vpid02 ? vmx->nested.vpid02 : vmx->vpid;
+}
+
 static inline unsigned long nested_ept_get_eptp(struct kvm_vcpu *vcpu)
 {
 	/* return the page table to be shadowed - in our case, EPT12 */
-- 
2.24.1