vmx_save_host_state() is only called from kvm_arch_vcpu_ioctl_run() so the context is pretty well defined and MSR_FS_BASE should always be equal to current->thread.fsbase. Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> --- arch/x86/kvm/vmx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index cab6ea1f8be5..ddefb7aeb96d 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2157,7 +2157,7 @@ static void vmx_save_host_state(struct kvm_vcpu *vcpu) #endif #ifdef CONFIG_X86_64 - vmcs_writel(HOST_FS_BASE, read_msr(MSR_FS_BASE)); + vmcs_writel(HOST_FS_BASE, current->thread.fsbase); vmcs_writel(HOST_GS_BASE, read_msr(MSR_GS_BASE)); #else vmcs_writel(HOST_FS_BASE, segment_base(vmx->host_state.fs_sel)); -- 2.14.3