Re: [PATCH v2 1/2] RDMA/rxe: Improve newline in printing messages

[Zhu Yanjun]

Very helpful. Thanks a lot for your explanation.

Zhu Yanjun

On Mon, Aug 28, 2023 at 6:51 PM John Ogness <john.ogness@xxxxxxxxxxxxx> wrote:
>
> On 2023-08-28, Zhu Yanjun <zyjzyj2000@xxxxxxxxx> wrote:
> > Do you mean "a newline can help flushing messages out"?
> > That is, in printk, the message will be buffered until it is full or
> > it meets a newline?
>
> Correct. A trailing newline is needed for the record to become
> "finalized". Only finalized records are pushed out to consoles.
>
> If there is no trailing newline, the message will be buffered until
> printk is called using a message with a trailing newline.
>
> There are some other reasons why it may be flushed. But for sure the
> flushing will be delayed if there is no trailing newline.
>
> John Ogness