> @@ -740,6 +809,14 @@ int klp_register_patch(struct klp_patch *patch) > return -ENODEV; > > /* > + * Architectures without reliable stack traces have to set > + * patch->immediate because there's currently no way to patch kthreads > + * with the consistency model. > + */ > + if (!klp_have_reliable_stack() && !patch->immediate) > + return -ENOSYS; > + I think an error message (pr_err) would be appropriate here. $ insmod patch_1.ko insmod: ERROR: could not insert module patch_1.ko: Function not implemented is not helpful much :) Miroslav -- To unsubscribe from this list: send the line "unsubscribe live-patching" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
