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| author | Maxim Levitsky <mlevitsk@redhat.com> | 2020-08-27 20:11:41 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-09-28 07:57:11 -0400 |
| commit | 0681de1b83697bcbc06b843d0c8302da45855205 (patch) | |
| tree | 4f6160435a09bba94f8d1c7e55d1409e751f2c1f /arch/x86/kvm/svm/svm.c | |
| parent | f4c847a95654b898834ed513870a4fb01c27b29e (diff) | |
| download | lwn-0681de1b83697bcbc06b843d0c8302da45855205.tar.gz lwn-0681de1b83697bcbc06b843d0c8302da45855205.zip | |
KVM: SVM: use __GFP_ZERO instead of clear_page
Another small refactoring.
Suggested-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20200827171145.374620-5-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm/svm.c')
| -rw-r--r-- | arch/x86/kvm/svm/svm.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 535839cdcb56..22886b1d9af7 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -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); |