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From:   "Suthikulpanit, Suravee" <Suravee.Suthikulpanit@amd.com>
To:     "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "kvm@vger.kernel.org" <kvm@vger.kernel.org>
CC:     "pbonzini@redhat.com" <pbonzini@redhat.com>,
        "rkrcmar@redhat.com" <rkrcmar@redhat.com>,
        "joro@8bytes.org" <joro@8bytes.org>,
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        "karahmed@amazon.de" <karahmed@amazon.de>,
        "rimasluk@amazon.com" <rimasluk@amazon.com>,
        "Grimm, Jon" <Jon.Grimm@amd.com>,
        "Suthikulpanit, Suravee" <Suravee.Suthikulpanit@amd.com>
Subject: [PATCH v2 01/15] kvm: x86: Modify kvm_x86_ops.get_enable_apicv() to
 use struct kvm parameter
Thread-Topic: [PATCH v2 01/15] kvm: x86: Modify kvm_x86_ops.get_enable_apicv()
 to use struct kvm parameter
Thread-Index: AQHVU4X979h9sz28mUWWvZbn+U2MiQ==
Date:   Thu, 15 Aug 2019 16:25:02 +0000
Message-ID: <1565886293-115836-2-git-send-email-suravee.suthikulpanit@amd.com>
References: <1565886293-115836-1-git-send-email-suravee.suthikulpanit@amd.com>
In-Reply-To: <1565886293-115836-1-git-send-email-suravee.suthikulpanit@amd.com>
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Generally, APICv for all vcpus in the VM are enable/disable in the same
manner. So, get_enable_apicv() should represent APICv status of the VM
instead of each VCPU.

Modify kvm_x86_ops.get_enable_apicv() to take struct kvm as parameter
instead of struct kvm_vcpu.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
---
 arch/x86/include/asm/kvm_host.h | 2 +-
 arch/x86/kvm/svm.c              | 5 +++--
 arch/x86/kvm/vmx/vmx.c          | 2 +-
 arch/x86/kvm/x86.c              | 2 +-
 4 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_hos=
t.h
index 26d1eb8..56bc702 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1077,7 +1077,7 @@ struct kvm_x86_ops {
 	void (*enable_nmi_window)(struct kvm_vcpu *vcpu);
 	void (*enable_irq_window)(struct kvm_vcpu *vcpu);
 	void (*update_cr8_intercept)(struct kvm_vcpu *vcpu, int tpr, int irr);
-	bool (*get_enable_apicv)(struct kvm_vcpu *vcpu);
+	bool (*get_enable_apicv)(struct kvm *kvm);
 	void (*refresh_apicv_exec_ctrl)(struct kvm_vcpu *vcpu);
 	void (*hwapic_irr_update)(struct kvm_vcpu *vcpu, int max_irr);
 	void (*hwapic_isr_update)(struct kvm_vcpu *vcpu, int isr);
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index ccd5aa6..6851bce 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -384,6 +384,7 @@ struct amd_svm_iommu_ir {
 static void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
 static void svm_flush_tlb(struct kvm_vcpu *vcpu, bool invalidate_gpa);
 static void svm_complete_interrupts(struct vcpu_svm *svm);
+static bool svm_get_enable_apicv(struct kvm *kvm);
=20
 static int nested_svm_exit_handled(struct vcpu_svm *svm);
 static int nested_svm_intercept(struct vcpu_svm *svm);
@@ -5124,9 +5125,9 @@ static void svm_set_virtual_apic_mode(struct kvm_vcpu=
 *vcpu)
 	return;
 }
=20
-static bool svm_get_enable_apicv(struct kvm_vcpu *vcpu)
+static bool svm_get_enable_apicv(struct kvm *kvm)
 {
-	return avic && irqchip_split(vcpu->kvm);
+	return avic && irqchip_split(kvm);
 }
=20
 static void svm_hwapic_irr_update(struct kvm_vcpu *vcpu, int max_irr)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index d98eac3..18a4b94 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -3610,7 +3610,7 @@ void pt_update_intercept_for_msr(struct vcpu_vmx *vmx=
)
 	}
 }
=20
-static bool vmx_get_enable_apicv(struct kvm_vcpu *vcpu)
+static bool vmx_get_enable_apicv(struct kvm *kvm)
 {
 	return enable_apicv;
 }
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index fafd81d..7daf0dd 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -9150,7 +9150,7 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
 		goto fail_free_pio_data;
=20
 	if (irqchip_in_kernel(vcpu->kvm)) {
-		vcpu->arch.apicv_active =3D kvm_x86_ops->get_enable_apicv(vcpu);
+		vcpu->arch.apicv_active =3D kvm_x86_ops->get_enable_apicv(vcpu->kvm);
 		r =3D kvm_create_lapic(vcpu, lapic_timer_advance_ns);
 		if (r < 0)
 			goto fail_mmu_destroy;
--=20
1.8.3.1