Re: [PATCH v8 3/3] printk: fix double printing with earlycon

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On Thu 2017-03-30 14:55:46, Sergey Senozhatsky wrote:
> On (03/28/17 14:56), Petr Mladek wrote:
> [..]
> > > > Is it better?  If not, I will send a version with console_cmdline_last.
> > > 
> > > personally I'm fine with the nested loop. the latest version
> > > 	"for (last = MAX_CMDLINECONSOLES - 1; last >= 0;..."
> > > 
> > > is even easier to read.
> > 
> > The number of elements is bumped on a single location, so there
> > is not much to synchronize. The old approach was fine because
> > the for cycles were needed anyway, they started on the 0th element,
> > and NULL ended arrays are rather common practice.
> > 
> > But we are searching the array from the end now. Also we use the
> > for cycle just to get the number here. This is not a common
> > practice and it makes the code more complicated and strange from
> > my point of view.
> 
> I'm fine with either way :)

Alekesey, any chance to use the global variable to count used or point
to the last element?

I know that you have already spent a lot of time with it. It was great
work. But the current solution of the cycle looks weird to me.

Best Regards,
Petr

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