> -Original Message-
> From: Sean Anderson
> Sent: Friday, March 31, 2023 18:14
> To: Leo Li ; linuxppc-dev@lists.ozlabs.org; linux-arm-
> ker...@lists.infradead.org
> Cc: Scott Wood ; Camelia Alexandra Groza
> ; linux-ker...@vger.kernel.org; Roy Pledge
> ; David S . Miller ; Claudiu
>
On Fri, Mar 31, 2023 at 11:14:13AM -0400, Sean Anderson wrote:
> cgr_lock may be locked with interrupts already disabled by
> smp_call_function_single. As such, we must use a raw spinlock to avoid
> problems on PREEMPT_RT kernels. Although this bug has existed for a
> while, it was not apparent
