On Wed 2016-02-03 20:11:07, Jessica Yu wrote:
> diff --git a/kernel/module.c b/kernel/module.c
> index 71c77ed..9c16eb2 100644
> --- a/kernel/module.c
> +++ b/kernel/module.c
> @@ -2676,6 +2764,23 @@ static int copy_module_from_user(const void __user *umod, unsigned long len,
> return 0;
> }
>
> +#ifdef CONFIG_LIVEPATCH
> +static int find_livepatch_modinfo(struct module *mod, struct load_info *info)
> +{
> + mod->klp = get_modinfo(info, "livepatch") ? true : false;
> +
> + return 0;
> +}
> +#else /* !CONFIG_LIVEPATCH */
> +static int find_livepatch_modinfo(struct module *mod, struct load_info *info)
> +{
> + if (get_modinfo(info, "livepatch"))
One more thing. I suggest to write a friendly message here. For example:
pr_err("LifePatch support is not available. Rejecting the module: s\n",
mod->name);
It might safe some debugging a poor user or developer.
> + return -ENOEXEC;
> +
> + return 0;
> +}
> +#endif /* CONFIG_LIVEPATCH */
> +
Best Regards,
Petr
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