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Message-ID: <X8DzctH5tYpM2/sd@alley>
Date: Fri, 27 Nov 2020 13:39:14 +0100
From: Petr Mladek <pmladek@...e.com>
To: Kefeng Wang <wangkefeng.wang@...wei.com>
Cc: John Ogness <john.ogness@...utronix.de>,
Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
Steven Rostedt <rostedt@...dmis.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Atish Patra <atishp@...shpatra.org>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] printk: finalize records with trailing newlines
On Thu 2020-11-26 20:32:18, Kefeng Wang wrote:
>
> On 2020/11/26 19:48, John Ogness wrote:
> > Any record with a trailing newline (LOG_NEWLINE flag) cannot
> > be continued because the newline has been stripped and will
> > not be visible if the message is appended. This was already
> > handled correctly when committing in log_output() but was
> > not handled correctly when committing in log_store().
> >
> > Fixes: f5f022e53b87 ("printk: reimplement log_cont using record extension")
> > Signed-off-by: John Ogness <john.ogness@...utronix.de>
> > ---
> > This is an important bugfix for continuous messages and should
> > be part of the 5.10 release.
> >
> > If not applied, newlines will vanish when concatenating
> > continuous with trailing newlines.
> Thanks for you quick fix.
>
> Reported-and-tested-by: Kefeng Wang <wangkefeng.wang@...wei.com>
The patch is committed in printk/linux.git, branch
for-5.10-pr_cont-fixup.
I do not have much experience with pushing fixes this late in the
release cycle.
Normally, I would prefer to give it few days in linux-next. But
the fix is quite trivial. And it would be better to have it
in 10-rc6 rather than in rc7 that might be the last rc before
release.
Thanks a lot for report, fix, and testing.
Best Regards,
Petr
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