Messages in this thread | | | Date | Fri, 18 Mar 2022 14:47:14 +0800 | Subject | Re: [PATCH] rcu: Use printk_deferred when holding rtp->cbs_gbl_lock | From | Zhang Qiao <> |
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在 2022/3/17 23:49, Steven Rostedt 写道: > On Thu, 17 Mar 2022 16:47:26 +0800 > Zhang Qiao <zhangqiao22@huawei.com> 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 > . >
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