Hi! On 10/03/2021 17:14, Florian Fainelli wrote: >>>>> I tried on 5.12-rc2 and 5.11 but couldn't reproduce the problem using your >>> I still can't reproduce on 5.12-rc2. >>> >>> I do have CONFIG_ARM_MODULE_PLTS=y. Do you need to do something else after >>> loading the module? I tried starting ftrace, but maybe there's a particular >>> combination required? >> You need to load a BIG module, so big that it has no place in the modules >> area >> any more and goes to vmalloc area. > You absolutely need a very big module maybe more than one. When I tested > this, I could use the two proprietary modules (*sigh*) that I needed to > exercise against and loading one but not the other was not enough to > make the second module loading spill into vmalloc space.
Here is what I use instead of these real world "proprietary" modules (which of course were the real trigger for the patch): https://www.spinics.net/lists/arm-kernel/msg878599.html -- Best regards, Alexander Sverdlin.