On Sun, 18 Apr 2021 23:54:13 +1000, Michael Ellerman wrote:
> RCU complains about us calling printk() from an offline CPU:
>
> =============================
> WARNING: suspicious RCU usage
> 5.12.0-rc7-02874-g7cf90e481cb8 #1 Not tainted
> -----------------------------
> kernel/locking/lockdep.c:3568 RCU-list traversed in non-reader section!!
>
> [...]
Applied to powerpc/next.
[1/1] powerpc/pseries: Stop calling printk in rtas_stop_self()
https://git.kernel.org/powerpc/c/ed8029d7b472369a010a1901358567ca3b6dbb0d
cheers
