On Mon, Mar 12, 2018 at 2:03 PM, Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> wrote: > vmx_save_host_state() is only called from kvm_arch_vcpu_ioctl_run() so > the context is pretty well defined and as we're past 'swapgs' MSR_GS_BASE > should contain kernel's GS base which we point to irq_stack_union. > > Add new kernelmode_gs_base() API, irq_stack_union needs to be exported > as KVM can be build as module. > Acked-by: Andy Lutomirski <luto@xxxxxxxxxx>
