Hi Laurent,
Thanks for your help.
But I'm still not sure how it is implemented.
I'll continue to do some research on the issue, and post my answer if I can.
Thanks
Larry
-- Original --
From: "Laurent Navet"<laurent.na...@gmail.com>;
Date: Sat, Mar 10, 2018 09:45 PM
To: "落痕"<losemyhea...@foxmail.com>;
Cc: "kernelnewbies"<kernelnewbies@kernelnewbies.org>;
Subject: Re: Where is the __per_cpu_offset array initialized??
Hi Larry,
> Does anyone can tell me where the array __per_cpu_offset is initialized on
> x86_64 arch,
> I remembered it was initialized in function setup_per_cpu_areas,
> but it seems that it is not the case on x86-64 arch.
It seems your memory is right and code is shared with x86.
https://elixir.bootlin.com/linux/latest/source/arch/x86/kernel/setup_percpu.c#L29
Laurent.
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