From ee11ab6bb04e1093d3cc5f5bea9779799ce1d2c7 Mon Sep 17 00:00:00 2001 From: Peng Hao Date: Tue, 5 Sep 2023 09:07:09 +0800 Subject: KVM: X86: Reduce size of kvm_vcpu_arch structure when CONFIG_KVM_XEN=n When CONFIG_KVM_XEN=n, the size of kvm_vcpu_arch can be reduced from 5100+ to 4400+ by adding macro control. Signed-off-by: Peng Hao Link: https://lore.kernel.org/all/CAPm50aKwbZGeXPK5uig18Br8CF1hOS71CE2j_dLX+ub7oJdpGg@mail.gmail.com [sean: fix whitespace damage] Signed-off-by: Sean Christopherson --- arch/x86/kvm/cpuid.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/x86/kvm/cpuid.c') diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 0544e30b4946..48f5308c4556 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -456,7 +456,9 @@ static int kvm_set_cpuid(struct kvm_vcpu *vcpu, struct kvm_cpuid_entry2 *e2, vcpu->arch.cpuid_nent = nent; vcpu->arch.kvm_cpuid = kvm_get_hypervisor_cpuid(vcpu, KVM_SIGNATURE); +#ifdef CONFIG_KVM_XEN vcpu->arch.xen.cpuid = kvm_get_hypervisor_cpuid(vcpu, XEN_SIGNATURE); +#endif kvm_vcpu_after_set_cpuid(vcpu); return 0; -- cgit