On Tue, 16 Feb 2016, Jessica Yu wrote: > Remove the ftrace module notifier in favor of directly calling > ftrace_module_enable() and ftrace_release_mod() in the module loader. > Hard-coding the function calls directly in the module loader removes > dependence on the module notifier call chain and provides better > visibility and control over what gets called when, which is important > to kernel utilities such as livepatch. > > This fixes a notifier ordering issue in which the ftrace module notifier > (and hence ftrace_module_enable()) for coming modules was being called > after klp_module_notify(), which caused livepatch modules to initialize > incorrectly. This patch removes dependence on the module notifier call > chain in favor of hard coding the corresponding function calls in the > module loader. This ensures that ftrace and livepatch code get called in > the correct order on patch module load and unload. Applied to for-4.5/upstream-fixes. Thanks, -- Jiri Kosina SUSE Labs -- 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
