On Mon, Dec 07, 2020 at 09:37:54PM +0100, Andrey Konovalov wrote: > Hi, > > I'm getting a crash when trying to load a module into a kernel that > uses __ro_after_init static labels, see the crash below. The label is > defined and initialized in the main kernel binary, and is used in the > module. Is this not supported?
Clearly not, but also, the whole RO thing never went past the maintainers (it also seems to be missing a MAINTAINERs entry). > static_key_set_linked kernel/jump_label.c:368 > jump_label_add_module+0x1ec/0x2dc kernel/jump_label.c:658 > jump_label_module_notify+0x40/0xa4 kernel/jump_label.c:736 This, it needs to modify the key, which is RO, to add a list of sites from the module. It could probably be fixed..
