RE: "rcu: React to callback overload by aggressively seeking quiescent states" hangs on boot

From: Dexuan Cui
Date: Sun Dec 15 2019 - 15:20:04 EST


> From: Qian Cai <cai@xxxxxx>
> Sent: Sunday, December 15, 2019 11:54 AM
> Subject: Re: "rcu: React to callback overload by aggressively seeking
> quiescent states" hangs on boot
>
>
> On Dec 15, 2019, at 2:18 PM, Dexuan-Linux Cui <mailto:dexuan.linux@xxxxxxxxx> wrote:
> We're seeing the same hang issue with a recent Linux next-20191213
> kernel. If we revert the same commit 82150cb53dcb ("rcu: React to
> callback overload by aggressively seeking quiescent statesâ), the
> issue will go away.
>
> Does this patch work for you?
> https://lore.kernel.org/rcu/20191215065242.7155-1-cai@xxxxxx/#r

Yes, this can work for me. Thanks!