On 2022/3/16 2:53, Jason Gunthorpe wrote: > You'll also need to do something about the 32 bit compatability that > kbuild detected - I suppose this can't work on 32 bit platforms? So > IS_ENABLED() it off or something? Hi Jason, Is it possible to fix the issue by atomic64_set_release()? If not, we may need to add a check for __native_word(*dst) and return an unsupported error when __native_word(*dst) is false. Best Regards, Xiao Yang