diff -Nupr src.orig/arch/x86/kvm/x86.c src/arch/x86/kvm/x86.c --- src.orig/arch/x86/kvm/x86.c 2017-09-22 15:27:20.852052672 -0400 +++ src/arch/x86/kvm/x86.c 2017-09-22 15:27:51.744180596 -0400 @@ -2093,12 +2093,20 @@ static void record_steal_time(struct kvm &vcpu->arch.st.steal, sizeof(struct kvm_steal_time)); } +void kpatch_kvm_x86_foo(void) +{ + if (!jiffies) + printk("kpatch kvm x86 foo\n"); +} + int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) { bool pr = false; u32 msr = msr_info->index; u64 data = msr_info->data; + kpatch_kvm_x86_foo(); + switch (msr) { case MSR_AMD64_NB_CFG: case MSR_IA32_UCODE_REV: