* Re: [RT PATCH] Fixed: line break of pr_cont not take effect
[not found] <202005231419598080913@zte.com.cn>
@ 2020-05-23 10:41 ` John Ogness
2020-05-26 16:44 ` Sebastian Andrzej Siewior
0 siblings, 1 reply; 2+ messages in thread
From: John Ogness @ 2020-05-23 10:41 UTC (permalink / raw)
To: Sebastian Andrzej Siewior
Cc: wang.yi59, pmladek, sergey.senozhatsky, rostedt, linux-kernel,
xue.zhihong, jiang.xuexin, wang.yong12, linux-rt-users
Thank you. I added Sebastian Siewior and linux-rt-users to the addresses
since this is a patch against PREEMPT_RT.
On 2020-05-23, <wang.yi59@zte.com.cn> wrote:
> Line break of pr_cont not take effect.
> Use several pr_cont to print continuous paragraph, it is expected to
> have line break when line ends up with '\n', however the paragraph
> does not have line break
> -printk_kthread_func will not print info before log_store insert msg
> into printk_rb, and pr_cont calls cont_add to keep data in buffer.
> cont_add only when the following conditions are met insert msg to
> printk_rb
> 1.cpu != c->cpu_owner || !(flags & LOG_CONT)
> 2.c->len + len > sizeof(c->buf)
>
> Signed-off-by: 汪勇10269566 <wang.yong12@zte.com.cn>
Acked-by: John Ogness <john.ogness@linutronix.de>
@Sebastian: The original patch submission is here[0].
Thanks,
John Ogness
[0] https://lkml.kernel.org/r/1590025064-14433-1-git-send-email-wang.yi59@zte.com.cn
^ permalink raw reply [flat|nested] 2+ messages in thread