From b8982a225a5515bc1c3d09e7c6cc6c8f93ebff0a Mon Sep 17 00:00:00 2001 From: Stefan Lankes Date: Mon, 1 May 2017 12:10:43 +0200 Subject: [PATCH] restore also the time stamp counter --- tools/uhyve.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/uhyve.c b/tools/uhyve.c index 419be653d..7264f8e00 100644 --- a/tools/uhyve.c +++ b/tools/uhyve.c @@ -951,6 +951,7 @@ static void save_cpu_state(void) msrs[n++].index = MSR_IA32_SYSENTER_EIP; msrs[n++].index = MSR_IA32_CR_PAT; msrs[n++].index = MSR_IA32_MISC_ENABLE; + msrs[n++].index = MSR_IA32_TSC; msrs[n++].index = MSR_CSTAR; msrs[n++].index = MSR_STAR; msrs[n++].index = MSR_EFER; @@ -1165,7 +1166,9 @@ int uhyve_init(char *path) // try to detect KVM extensions cap_tsc_deadline = kvm_ioctl(vmfd, KVM_CHECK_EXTENSION, KVM_CAP_TSC_DEADLINE_TIMER) <= 0 ? false : true; cap_irqchip = kvm_ioctl(vmfd, KVM_CHECK_EXTENSION, KVM_CAP_IRQCHIP) <= 0 ? false : true; +#ifdef KVM_CLOCK_TSC_STABLE cap_adjust_clock_stable = kvm_ioctl(vmfd, KVM_CHECK_EXTENSION, KVM_CAP_ADJUST_CLOCK) == KVM_CLOCK_TSC_STABLE ? true : false; +#endif if (restart) { if (load_checkpoint(guest_mem, path) != 0)