On Fri, 12 Feb 2021 21:21:39 +0100 Andrey Konovalov <andreyknvl@xxxxxxxxxx> wrote: > > > The wrappers aren't defined when tests aren't enabled to avoid misuse. > > > The mte_() functions aren't exported directly to avoid having low-level > > > KASAN ifdefs in the arch code. > > > > > > > Please confirm that this is applicable to current Linus mainline? > > It's not applicable. KUnit tests for HW_TAGS aren't supported there, > the patches for that are in mm only. So no need to put it into 5.11. So... which -mm patch does this patch fix?