Re: [PATCH] tick/broadcast: Remove redundant code in tick_check_new_device()

From: Thomas Gleixner
Date: Mon Nov 13 2017 - 11:54:43 EST


On Wed, 8 Nov 2017, Zhenzhong Duan wrote:

> There is no way a timer used as broadcast clockevent device is also used as
> percpu tick clockevent device currently.

Correct.

> It's better to put related code in tick_install_broadcast_device(), but I feel
> it's harmless to give it back to the clockevents layer. Pls correct me if I'm
> wrong.

You already established, that it _cannot_ be the broadcast device and the
per cpu device at the same time. So that condition can never be true. What
do you want to put into tick_install_broadcast_device()? This second
paragraph doesn't make sense, unless I'm missing something.

Thanks,

tglx