diff -Naur --no-dereference a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c --- a/arch/x86/kvm/vmx/vmx.c 2024-07-01 21:03:34.000000000 +0300 +++ b/arch/x86/kvm/vmx/vmx.c 2024-07-01 20:24:05.000000000 +0300 @@ -6137,6 +6137,10 @@ [EXIT_REASON_ENCLS] = handle_encls, [EXIT_REASON_BUS_LOCK] = handle_bus_lock_vmexit, [EXIT_REASON_NOTIFY] = handle_notify, + [EXIT_REASON_RDTSC] = handle_rdtsc, + [EXIT_REASON_RDTSCP] = handle_rdtscp, + [EXIT_REASON_UMWAIT] = handle_umwait, + [EXIT_REASON_TPAUSE] = handle_tpause, }; static const int kvm_vmx_max_exit_handlers = diff -Naur --no-dereference a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c --- a/arch/x86/kvm/vmx/vmx.c 2024-07-01 21:03:34.000000000 +0300 +++ b/arch/x86/kvm/vmx/vmx.c 2024-07-01 20:24:05.000000000 +0300 @@ -6079,6 +6079,36 @@ return 1; } +static int handle_rdtsc(struct kvm_vcpu *vcpu) +{ + u64 _rdtsc = rdtsc(); + printk_once("[HookEntry] hook entry function handle_rdtsc is working, return the rdtsc() if no hook , you can hook here!\n"); + vcpu->arch.regs[VCPU_REGS_RAX] = _rdtsc & -1u; + vcpu->arch.regs[VCPU_REGS_RDX] = (_rdtsc >> 32) & -1u; + return kvm_skip_emulated_instruction(vcpu); +} + +static int handle_rdtscp(struct kvm_vcpu *vcpu) +{ + u64 _rdtsc = rdtsc(); + printk_once("[HookEntry] hook entry function handle_rdtscp is working, return the rdtsc() if no hook , you can hook here!\n"); + vcpu->arch.regs[VCPU_REGS_RAX] = _rdtsc & -1u; + vcpu->arch.regs[VCPU_REGS_RDX] = (_rdtsc >> 32) & -1u; + return kvm_skip_emulated_instruction(vcpu); +} + +static int handle_umwait(struct kvm_vcpu *vcpu) +{ + kvm_skip_emulated_instruction(vcpu); + return 1; +} + +static int handle_tpause(struct kvm_vcpu *vcpu) +{ + kvm_skip_emulated_instruction(vcpu); + return 1; +} + /* * The exit handlers return 1 if the exit was handled fully and guest execution * may resume. Otherwise they set the kvm_run parameter to indicate what needs