Re: modules, add_kallsyms() && DEFINE_PER_CPU

[Masami Hiramatsu]

(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(). :)

Thank you,

-- 
Masami HIRAMATSU
IT Management Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@xxxxxxxxxxx


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