linux-kernel - Re: [PATCH v9 3/3] printk: fix double printing with earlycon

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Date:   Tue, 11 Apr 2017 10:54:26 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Aleksey Makarov <aleksey.makarov@...aro.org>
Cc:     Petr Mladek <pmladek@...e.com>, linux-serial@...r.kernel.org,
        linux-kernel@...r.kernel.org, Sudeep Holla <sudeep.holla@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Peter Hurley <peter@...leysoftware.com>,
        Jiri Slaby <jslaby@...e.com>,
        Robin Murphy <robin.murphy@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        "Nair, Jayachandran" <Jayachandran.Nair@...ium.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: [PATCH v9 3/3] printk: fix double printing with earlycon

On (04/10/17 21:00), Aleksey Makarov wrote:
> On 04/10/2017 05:22 PM, Petr Mladek wrote:
> > On Wed 2017-04-05 23:20:00, Aleksey Makarov wrote:
[..]
> > > To fix that, introduce an invariant "The last non-braille console
> > > is always the preferred one" on the entries of the console_cmdline
> > > array.  Then traverse it in reverse order to be sure that if
> > > the console is preferred then it will be the first matching entry.
> > > Introduce variable console_cmdline_cnt that keeps the number
> > > of elements of the console_cmdline array (Petr Mladek).  It helps
> > > to get rid of the loop that searches for the end of this array.
> > > 
> > > Reported-by: Sudeep Holla <sudeep.holla@....com>
> > > Signed-off-by: Aleksey Makarov <aleksey.makarov@...aro.org>
> > 
> > This version looks fine to me. Just a small nitpick below.
> > Anyway:
> > 
> > Reviewed-by: Petr Mladek <pmladek@...e.com>
> 
> Thank you for review.  Can you (or anybody else) ACK it?
> I am going to resend the whole series without those empty lines.
> May I add your Acked-by:?

Acked-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>

feel free to resend. I know some setups that have repeating (double)
lines on the serial console, I'll ask people to test the patches.

	-ss