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From: John Ogness <john.ogness@linutronix.de>
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To: xu.xin16@zte.com.cn, bigeasy@linutronix.de, rostedt@goodmis.org
Cc: zhang.yunkai@zte.com.cn, yang.yang29@zte.com.cn, liu.chun2@zte.com.cn,
 si.hao@zte.com.cn, linux-kernel@vger.kernel.org,
 linux-rt-users@vger.kernel.org, rostedt@goodmis.org
Subject: Re: =?utf-8?B?wqBbUEFUQ0jCoA==?= 5.15-rt] printk: ignore that
 console preempted by
 irq/softirq.
In-Reply-To: <20240523235401355RFqSAGtIPwMKV39mUulN1@zte.com.cn>
References: <20240523235401355RFqSAGtIPwMKV39mUulN1@zte.com.cn>
Date: Sun, 26 May 2024 19:56:57 +0206
Message-ID: <87r0doo41q.fsf@jogness.linutronix.de>
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On 2024-05-23, <xu.xin16@zte.com.cn> wrote:
> From: xu xin <xu.xin16@zte.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@zte.com.cn>
> Cc: Zhang Yunkai <zhang.yunkai@zte.com.cn>

Reviewed-by: John Ogness <john.ogness@linutronix.de>