From: John Ogness <john.ogness@linutronix.de>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
xu xin <xu.xin.sc@gmail.com>
Cc: xu.xin16@zte.com.cn, linux-kernel@vger.kernel.org,
linux-rt-users@vger.kernel.org, liu.chun2@zte.com.cn,
rostedt@goodmis.org, si.hao@zte.com.cn, yang.yang29@zte.com.cn,
zhang.yunkai@zte.com.cn
Subject: Re: [PATCH 5.10-rt] printk: ignore that console preempted by irq/softirq
Date: Mon, 03 Jun 2024 22:17:35 +0206 [thread overview]
Message-ID: <87cyoxeqh4.fsf@jogness.linutronix.de> (raw)
In-Reply-To: <20240528152933.ns7uyFSD@linutronix.de>
On 2024-05-28, Sebastian Andrzej Siewior <bigeasy@linutronix.de> wrote:
> There is a `may_sleep` variable set earlier. Couldn't that be re-used?
Since the printing thread cannot preempt the softirq context and since
the printing threads are not started before @system_state is
SYSTEM_RUNNING, using @may_sleep is OK.
if (!may_sleep &&
con->thread &&
task_cpu(con->thread) == smp_processor_id()) {
continue;
}
John Ogness
next prev parent reply other threads:[~2024-06-03 20:11 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-23 15:55 [PATCH 5.10-rt] printk: ignore that console preempted by irq/softirq xu.xin16
2024-05-26 17:46 ` John Ogness
2024-05-27 9:24 ` Sebastian Andrzej Siewior
2024-05-28 6:40 ` xu xin
2024-05-28 15:29 ` Sebastian Andrzej Siewior
2024-06-03 20:11 ` John Ogness [this message]
2024-06-12 14:33 ` Sebastian Andrzej Siewior
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87cyoxeqh4.fsf@jogness.linutronix.de \
--to=john.ogness@linutronix.de \
--cc=bigeasy@linutronix.de \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rt-users@vger.kernel.org \
--cc=liu.chun2@zte.com.cn \
--cc=rostedt@goodmis.org \
--cc=si.hao@zte.com.cn \
--cc=xu.xin.sc@gmail.com \
--cc=xu.xin16@zte.com.cn \
--cc=yang.yang29@zte.com.cn \
--cc=zhang.yunkai@zte.com.cn \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox