On Mon, 27 Feb 2023 10:47:27 +0100 Marco Elver <el...@google.com> 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-el...@google.com/ > [1] > Link: > https://lore.kernel.org/oe-kbuild-all/202302271348.u5lvmo0s-...@intel.com/ > Reported-by: kernel test robot <l...@intel.com> > Signed-off-by: Marco Elver <el...@google.com> 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.
