linux-kernel - Re: [GIT PULL] trivial for 4.9

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Date:   Fri, 7 Oct 2016 16:09:51 -0700
From:   Tony Luck <tony.luck@...il.com>
To:     Joe Perches <joe@...ches.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Jiri Kosina <jikos@...nel.org>,
        Colin Ian King <colin.king@...onical.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] trivial for 4.9

On Fri, Oct 7, 2016 at 4:01 PM, Tony Luck <tony.luck@...il.com> wrote:
> What if there isn't a "next printk" call for hours, or days?
>
> That poor little message without a "\n" will sit in the kernel buffers,
> and the user who might want to see the message can't, until some
> unrelated thing happens to print something.

Retracted ... I'm sure that at some point in the past it happened like
that ... but
I just retested on 4.8 and the first message (with no "\n") showed up on the
serial port just fine without some other message to push it out. When the
next message came along, a "\n" was auto-inserted.

-Tony