Commit 087acc4e authored by Jue Wang's avatar Jue Wang Committed by Paolo Bonzini
Browse files

KVM: x86: Use kcalloc to allocate the mce_banks array. 



This patch updates the allocation of mce_banks with the array allocation
API (kcalloc) as a precedent for the later mci_ctl2_banks to implement
per-bank control of Corrected Machine Check Interrupt (CMCI).

Suggested-by: default avatarSean Christopherson <seanjc@google.com>
Signed-off-by: default avatarJue Wang <juew@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220610171134.772566-6-juew@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 4b903561

arch/x86/kvm/x86.c

+1 −1
Original line number Diff line number Diff line
@@ -11447,7 +11447,7 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu) 
		goto fail_free_lapic;

	vcpu->arch.pio_data = page_address(page);



	vcpu->arch.mce_banks = kzalloc(KVM_MAX_MCE_BANKS * sizeof(u64) * 4,

	vcpu->arch.mce_banks = kcalloc(KVM_MAX_MCE_BANKS * 4, sizeof(u64),

				       GFP_KERNEL_ACCOUNT);

	if (!vcpu->arch.mce_banks)

		goto fail_free_pio_data;