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From: Paolo Bonzini <pbonzini@redhat.com>
To: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: rkrcmar@redhat.com, joro@8bytes.org, vkuznets@redhat.com,
	rkagan@virtuozzo.com, graf@amazon.com, jschoenh@amazon.de,
	karahmed@amazon.de, rimasluk@amazon.com, jon.grimm@amd.com
Subject: Re: [PATCH v5 03/18] kvm: x86: Introduce APICv inhibit reason bits
Date: Wed, 22 Jan 2020 16:51:40 +0100	[thread overview]
Message-ID: <fcfb997f-ab6c-d7c3-2856-22470ce62329@redhat.com> (raw)
In-Reply-To: <1573762520-80328-4-git-send-email-suravee.suthikulpanit@amd.com>

A couple slight improvements, after which get_enable_apicv is unused.

Paolo

On 14/11/19 21:15, Suravee Suthikulpanit wrote:
> @@ -6848,6 +6848,7 @@ static int vmx_vm_init(struct kvm *kvm)
>  			break;
>  		}
>  	}
> +	kvm_apicv_init(kvm, vmx_get_enable_apicv(kvm));
>  	return 0;
>  }
>  

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 01f60d6cd881..d011ffaec7ee 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -6852,7 +6852,7 @@ static int vmx_vm_init(struct kvm *kvm)
 			break;
 		}
 	}
-	kvm_apicv_init(kvm, vmx_get_enable_apicv(kvm));
+	kvm_apicv_init(kvm, enable_apicv);
 	return 0;
 }
 
> @@ -9347,10 +9364,11 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
>  		goto fail_free_pio_data;
>  
>  	if (irqchip_in_kernel(vcpu->kvm)) {
> -		vcpu->arch.apicv_active = kvm_x86_ops->get_enable_apicv(vcpu->kvm);
>  		r = kvm_create_lapic(vcpu, lapic_timer_advance_ns);
>  		if (r < 0)
>  			goto fail_mmu_destroy;
> +		if (kvm_apicv_activated(vcpu->kvm))
> +			vcpu->arch.apicv_active = kvm_x86_ops->get_enable_apicv(vcpu->kvm);
>  	} else
>  		static_key_slow_inc(&kvm_no_apic_vcpu);
>  
> 

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 6c62abb4fdd9..cc9f84527a55 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -9236,7 +9236,7 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
 		if (r < 0)
 			goto fail_mmu_destroy;
 		if (kvm_apicv_activated(vcpu->kvm))
-			vcpu->arch.apicv_active = kvm_x86_ops->get_enable_apicv(vcpu->kvm);
+			vcpu->arch.apicv_active = true;
 	} else
 		static_key_slow_inc(&kvm_no_apic_vcpu);
 


  reply	other threads:[~2020-01-22 15:51 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-14 20:15 [PATCH v5 00/18] kvm: x86: Support AMD SVM AVIC w/ in-kernel irqchip mode Suravee Suthikulpanit
2019-11-14 20:15 ` [PATCH v5 01/18] kvm: x86: Modify kvm_x86_ops.get_enable_apicv() to use struct kvm parameter Suravee Suthikulpanit
2019-11-14 20:15 ` [PATCH v5 02/18] kvm: lapic: Introduce APICv update helper function Suravee Suthikulpanit
2019-11-14 20:15 ` [PATCH v5 03/18] kvm: x86: Introduce APICv inhibit reason bits Suravee Suthikulpanit
2020-01-22 15:51   ` Paolo Bonzini [this message]
2019-11-14 20:15 ` [PATCH v5 04/18] kvm: x86: Add support for dynamic APICv Suravee Suthikulpanit
2019-11-14 20:15 ` [PATCH v5 05/18] kvm: x86: Add APICv (de)activate request trace points Suravee Suthikulpanit
2019-11-14 20:15 ` [PATCH v5 06/18] kvm: x86: svm: Add support to (de)activate posted interrupts Suravee Suthikulpanit
2019-11-14 20:15 ` [PATCH v5 07/18] svm: Add support for setup/destroy virutal APIC backing page for AVIC Suravee Suthikulpanit
2019-11-14 20:15 ` [PATCH v5 08/18] kvm: x86: Introduce APICv x86 ops for checking APIC inhibit reasons Suravee Suthikulpanit
2019-11-14 20:15 ` [PATCH v5 09/18] kvm: x86: Introduce x86 ops hook for pre-update APICv Suravee Suthikulpanit
2019-11-14 20:15 ` [PATCH v5 10/18] svm: Add support for dynamic APICv Suravee Suthikulpanit
2019-11-14 20:15 ` [PATCH v5 11/18] kvm: x86: hyperv: Use APICv update request interface Suravee Suthikulpanit
2019-11-14 20:15 ` [PATCH v5 12/18] svm: Deactivate AVIC when launching guest with nested SVM support Suravee Suthikulpanit
2019-11-14 20:15 ` [PATCH v5 13/18] svm: Temporary deactivate AVIC during ExtINT handling Suravee Suthikulpanit
2020-01-22 16:32   ` Paolo Bonzini
2019-11-14 20:15 ` [PATCH v5 14/18] kvm: i8254: Deactivate APICv when using in-kernel PIT re-injection mode Suravee Suthikulpanit
2020-02-18 18:51   ` Alex Williamson
2020-02-21  2:27     ` Suravee Suthikulpanit
2019-11-14 20:15 ` [PATCH v5 15/18] kvm: lapic: Clean up APIC predefined macros Suravee Suthikulpanit
2019-11-14 20:15 ` [PATCH v5 16/18] kvm: ioapic: Refactor kvm_ioapic_update_eoi() Suravee Suthikulpanit
2019-11-14 20:15 ` [PATCH v5 17/18] kvm: ioapic: Lazy update IOAPIC EOI Suravee Suthikulpanit
2019-11-14 20:15 ` [PATCH v5 18/18] svm: Allow AVIC with in-kernel irqchip mode Suravee Suthikulpanit
2020-01-22 16:06   ` Paolo Bonzini
2020-01-02 10:17 ` [PATCH v5 00/18] kvm: x86: Support AMD SVM AVIC w/ " Suravee Suthikulpanit
2020-01-20  6:16   ` Suravee Suthikulpanit
2020-01-22 16:08     ` Paolo Bonzini

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