Miao Xie <[email protected]> writes:
> Hi everyone,
> I think we need a check in the function add_timer_on() to avoid adding a
> timer into the timer list of an offline cpu.
>
> This patch fixes this problem in add_timer_on().
No it doesn't -- it will just crash if a caller does that. If it's a real
problem then you either need to fix the callers or change add_timer_on()
to transparently put it onto another CPU.
I don't think it's a real problem though because CPU offlining does
a stop machine and that should take care of most such races.
-Andi
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