On Thu 2020-05-21 09:37:44, root wrote: > From: 汪勇10269566 <wang.yon...@zte.com.cn> > > 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.yon...@zte.com.cn> > --- > kernel/printk/printk.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c > index 0605a74..d898f50 100644 > --- a/kernel/printk/printk.c > +++ b/kernel/printk/printk.c > @@ -1871,6 +1871,7 @@ static void cont_add(int ctx, int cpu, u32 caller_id, > int facility, int level, > // but later continuations can add a newline. > if (flags & LOG_NEWLINE) { > c->flags |= LOG_NEWLINE; > + cont_flush(ctx);
What kernel sources is this patch against, please? The console_flush() call is in the current Linus' tree. It does not have any parameter there. And there is no printk_kthread_func. Is this against RT patchset? Best Regards, Petr