On Mon, Jan 4, 2021 at 11:36 PM Nathan Chancellor <natechancellor@xxxxxxxxx> wrote: > > I am in agreement with Vlastimil, I would rather see the BUILD_BUG() > dropped or converted into BUG() instead of papering over with > __always_inline. I see your point, but I also generally prefer build-time checks over runtime ones wherever possible, and would prefer a way to keep it in a form that allows that, at least if the check is considered useful at all. > For what it's worth, I only see this build failure > with CONFIG_UBSAN_UNSIGNED_OVERFLOW, which you proposed disabling: > > https://lore.kernel.org/lkml/20201230154749.746641-1-arnd@xxxxxxxxxx/ I'm building more randconfig kernels without this patch but with the __always_inline reverted now, will see if it comes back. If not, let's just drop this patch. Arnd