On Fri, 16 Nov 2018, Tim Chen wrote: > +DEFINE_STATIC_KEY_FALSE(spectre_v2_app_lite); > +EXPORT_SYMBOL_GPL(spectre_v2_app_lite);
Why would this be exported? The only usage site outside of this code is in tlb.c which is hardly modular. > @@ -328,14 +411,19 @@ static bool stibp_needed(void) > /* > * Determine if STIBP should be always on. > * Using enhanced IBRS makes using STIBP unnecessary. > + * For lite option, STIBP is used only for task with > + * TIF_STIBP flag. STIBP is not always on for that case. Having the comment detached from the code is really not helpful. Thanks, tglx