MIPS: KVM: Skip memory cleaning in kvm_mips_commpage_init()

The commpage is allocated using kzalloc(), so there's no need of cleaning
the memory of the kvm_mips_commpage struct and its internal mips_coproc.
Reviewed-by: NJames Hogan <james.hogan@imgtec.com>
Signed-off-by: NDeng-Cheng Zhu <dengcheng.zhu@imgtec.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

arch/mips/kvm/commpage.c

@@ -28,9 +28,6 @@ void kvm_mips_commpage_init(struct kvm_vcpu *vcpu)
 {
 	struct kvm_mips_commpage *page = vcpu->arch.kseg0_commpage;
 
-	memset(page, 0, sizeof(struct kvm_mips_commpage));
-
 	/* Specific init values for fields */
 	vcpu->arch.cop0 = &page->cop0;
-	memset(vcpu->arch.cop0, 0, sizeof(struct mips_coproc));
 }