On Mon, 8 Feb 2016, Jessica Yu wrote: > Remove the livepatch module notifier in favor of directly enabling and > disabling patches to modules in the module loader. Hard-coding the > function calls ensures that ftrace_module_enable() is run before > klp_module_coming() during module load, and that klp_module_going() is > run before ftrace_release_mod() during module unload. This way, ftrace > and livepatch code is run in the correct order during the module > load/unload sequence without dependence on the module notifier call chain. > > 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. > > Signed-off-by: Jessica Yu <[email protected]> > Reviewed-by: Petr Mladek <[email protected]> > Acked-by: Rusty Russell <[email protected]>
Reviewed-by: Miroslav Benes <[email protected]> Miroslav
