Hi Marco, On Tue, Jun 16, 2020 at 1:15 AM Marco Elver <[email protected]> wrote: > > UBSAN is supported since GCC 4.9, which unfortunately did not yet have > __has_attribute(). To work around, the __GCC4_has_attribute workaround > requires defining which compiler version supports the given attribute. > > In the case of no_sanitize_undefined, it is the first version that > supports UBSAN, which is GCC 4.9. > > Reported-by: kernel test robot <[email protected]> > Signed-off-by: Marco Elver <[email protected]> > ---
I am happy to see the `__GCC4_has_attribute` workaround is useful outside the file, too (originally the list was meant to be used inside the file itself, but I see it is good to reuse it). Reviewed-by: Miguel Ojeda <[email protected]> Cheers, Miguel
