Messages in this thread | | | From | Namhyung Kim <> | Subject | Re: modules, add_kallsyms() && DEFINE_PER_CPU | Date | Wed, 27 Nov 2013 17:20:47 +0900 |
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Hi Masami,
On Wed, 27 Nov 2013 11:23:43 +0900, Masami Hiramatsu wrote: > (2013/11/27 2:50), Oleg Nesterov wrote: >> On 11/26, Oleg Nesterov wrote: >>> >>> Note: this doesn't work for modules, but module's per-cpu data is >>> not visible for kallsyms_lookup_name() anyway. >> >> Rusty, I am just curious if it makes sense to change this or not... >> >> But DEFINE_PER_CPU'ed symbols are ignored by add_kallsyms(). I guess >> this is because is_core_symbol() requires "sh_flags & SHF_ALLOC". >> And probably because of INIT_OFFSET_MASK. > > Oleg, I think you can do it by using is_module_percpu_address(). :)
It seems the function only works for a translated address like is_kernel_percpu_address() does. But we want to check a not-yet- translated symbol address, right?
Thanks, Namhyung
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