在 2022/3/17 23:49, Steven Rostedt 写道: > On Thu, 17 Mar 2022 16:47:26 +0800 > Zhang Qiao <zhangqiao22@xxxxxxxxxx> wrote: > >> This patch tries to avoid this issue by using printk_deferred(). > > Isn't the new printk work suppose to resolve this? > I think the printk_deferred() defer printing via a irq_work_queue and will not print immediately when holding the cbs_gbl_lock lock. > If so, can we have another way to quiet these splats if that work is not in > yet? > Or we can change type cbs_gbl_lock to spinlock_t for fix it. thanks. Zhang Qiao. > -- Steve > . >
