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Message-ID: <87r0doo41q.fsf@jogness.linutronix.de>
Date: Sun, 26 May 2024 19:56:57 +0206
From: John Ogness <john.ogness@...utronix.de>
To: xu.xin16@....com.cn, bigeasy@...utronix.de, rostedt@...dmis.org
Cc: zhang.yunkai@....com.cn, yang.yang29@....com.cn, liu.chun2@....com.cn,
si.hao@....com.cn, linux-kernel@...r.kernel.org,
linux-rt-users@...r.kernel.org, rostedt@...dmis.org
Subject: Re: [PATCH 5.15-rt] printk: ignore that
console preempted by
irq/softirq.
On 2024-05-23, <xu.xin16@....com.cn> wrote:
> From: xu xin <xu.xin16@....com.cn>
>
> When we're in the unpreemptible context on the same cpu with which the
> thread of console locates on, we should ignore this console for
> pr_flush, because it's a vain and always lead to timeout until the console
> thread get cpu resource.
>
> Fixes: e65be5f4dc3ed("printk: Update John Ogness' printk series")
> Signed-off-by: xu xin <xu.xin16@....com.cn>
> Cc: Zhang Yunkai <zhang.yunkai@....com.cn>
Reviewed-by: John Ogness <john.ogness@...utronix.de>
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