On Tue, Nov 09, 2021 at 05:45:43PM +0100, Ard Biesheuvel wrote:> static inline> void __static_call_update(struct static_call_key *key, void *tramp, void *func)> {> + WRITE_ONCE(key->func, func ?: (void *)&__static_call_nop);> }Ha, yes, I suppose that ought to work.