On Mon, 27 Feb 2023 10:47:27 +0100 Marco Elver <elver@xxxxxxxxxx> wrote: > With appropriate compiler support [1], KASAN builds use __asan prefixed > meminstrinsics, and KASAN no longer overrides memcpy/memset/memmove. > > If compiler support is detected (CC_HAS_KASAN_MEMINTRINSIC_PREFIX), > define memintrinsics normally (do not prefix '__'). > > On powerpc, KASAN is the only user of __mem functions, which are used to > define instrumented memintrinsics. Alias the normal versions for KASAN > to use in its implementation. > > Link: https://lore.kernel.org/all/20230224085942.1791837-1-elver@xxxxxxxxxx/ [1] > Link: https://lore.kernel.org/oe-kbuild-all/202302271348.U5lvmo0S-lkp@xxxxxxxxx/ > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Signed-off-by: Marco Elver <elver@xxxxxxxxxx> Seems this is a fix against "kasan: treat meminstrinsic as builtins in uninstrumented files", so I'll plan to fold this patch into that patch.
