Messages in this thread | | | Date | Fri, 12 Mar 2021 17:24:01 +0000 | From | Qais Yousef <> | Subject | Re: [PATCH v7 2/2] ARM: ftrace: Add MODULE_PLTS support |
| |
Hi Alexander
On 03/10/21 18:17, Alexander Sverdlin wrote: > 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
I am testing with your module. I can't reproduce the problem you describe with it as I stated.
I will try to spend more time on it on the weekend.
Thanks
-- Qais Yousef
| |