Commit 0681de1b authored by Maxim Levitsky's avatar Maxim Levitsky Committed by Paolo Bonzini
Browse files

KVM: SVM: use __GFP_ZERO instead of clear_page 



Another small refactoring.

Suggested-by: default avatarJim Mattson <jmattson@google.com>
Signed-off-by: default avatarMaxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20200827171145.374620-5-mlevitsk@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent f4c847a9

arch/x86/kvm/svm/svm.c

+2 −4
Original line number Diff line number Diff line
@@ -1190,11 +1190,11 @@ static int svm_create_vcpu(struct kvm_vcpu *vcpu) 
	svm = to_svm(vcpu);



	err = -ENOMEM;

	vmcb_page = alloc_page(GFP_KERNEL_ACCOUNT);

	vmcb_page = alloc_page(GFP_KERNEL_ACCOUNT | __GFP_ZERO);

	if (!vmcb_page)

		goto out;



	hsave_page = alloc_page(GFP_KERNEL_ACCOUNT);

	hsave_page = alloc_page(GFP_KERNEL_ACCOUNT | __GFP_ZERO);

	if (!hsave_page)

		goto free_page1;
@@ -1209,7 +1209,6 @@ static int svm_create_vcpu(struct kvm_vcpu *vcpu) 
		svm->avic_is_running = true;



	svm->nested.hsave = page_address(hsave_page);

	clear_page(svm->nested.hsave);



	svm->msrpm = svm_vcpu_init_msrpm();

	if (!svm->msrpm)
@@ -1220,7 +1219,6 @@ static int svm_create_vcpu(struct kvm_vcpu *vcpu) 
		goto free_page3;



	svm->vmcb = page_address(vmcb_page);

	clear_page(svm->vmcb);

	svm->vmcb_pa = __sme_set(page_to_pfn(vmcb_page) << PAGE_SHIFT);

	svm->asid_generation = 0;

	init_vmcb(svm);