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@xxxxxxxxxx> 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@xxxxxxxxxx> Acked-by: John Ogness <john.ogness@xxxxxxxxxxxxx> @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@xxxxxxxxxx
