On 07/02/2018 02:43 PM, Kees Cook wrote: > On Sat, Jun 30, 2018 at 1:43 PM, Christoph von Recklinghausen > <crecklin@xxxxxxxxxx> wrote: >> The last issue I'm chasing is build failures on ARCH=m68k. The error is >> atomic_read and friends needed by the jump label code not being found. >> The config has CONFIG_BROKEN_ON_SMP=y, so the jump label calls I added >> will only be made #ifndef CONFIG_BROKEN_ON_SMP. Do you think that's >> worth a mention in the blurb that's added to >> Documentation/admin-guide/kernel-parameters.txt? > Uhm, that's weird -- I think the configs on m68k need fixing then? I > don't want to have to sprinkle that ifdef in generic code. > > How are other users of static keys and jump labels dealing with m68k weirdness? > > -Kees > There's also CONFIG_JUMP_LABEL which is defined in x86_64 but not defined in the m68k configs. I'll use that instead. In hindsight I should have spotted that but didn't. Thanks, Chris