linux-kernel - Re: [PATCH] IB/mlx5:: pr_err() and mlx5_ib_dbg() strings should end with newlines

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Message-ID: <20170927144644.GE2297@mtr-leonro.local>
Date:   Wed, 27 Sep 2017 17:46:44 +0300
From:   Leon Romanovsky <leonro@...lanox.com>
To:     Doug Ledford <dledford@...hat.com>
Cc:     Joe Perches <joe@...ches.com>,
        Arvind Yadav <arvind.yadav.cs@...il.com>, matanb@...lanox.com,
        sean.hefty@...el.com, hal.rosenstock@...il.com,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] IB/mlx5:: pr_err() and mlx5_ib_dbg() strings should end
 with newlines

On Wed, Sep 27, 2017 at 10:20:39AM -0400, Doug Ledford wrote:
> On Tue, 2017-09-26 at 12:11 -0700, Joe Perches wrote:
> > On Tue, 2017-09-26 at 18:50 +0300, Leon Romanovsky wrote:
> > > So how can I reproduce the different output before and after this
> > > change?
> >
> > Try lib/test_module.c with and without the newline
> > on "Hello, World" on a quiescent system.
>
> I agree here.  The newlines are still worthwhile as they remove any
> unnecessary stalls in the printk output while the printk engine decides
> whether or not you are going to do a KERN_CONT print next.
>
> Thanks, applied.

Thanks

>
> --
> Doug Ledford <dledford@...hat.com>
>     GPG KeyID: B826A3330E572FDD
>     Key fingerprint = AE6B 1BDA 122B 23B4 265B  1274 B826 A333 0E57 2FDD
>

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