linux-kernel - Re: [PATCH 4/5] serial: convert early

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Message-id: <200705301358.54255.yinghai.lu@sun.com>
Date:	Wed, 30 May 2007 13:58:52 -0700
From:	Yinghai Lu <Yinghai.Lu@....COM>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Andi Kleen <ak@...e.de>, Russell King <rmk@....linux.org.uk>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Gerd Hoffmann <kraxel@...e.de>,
	David Gibson <david@...son.dropbear.id.au>
Subject: Re: [PATCH 4/5] serial: convert early_uart to earlycon for 8250

On Wednesday 30 May 2007 13:18, Andrew Morton wrote:
> On Wed, 30 May 2007 12:58:11 -0700
> Yinghai Lu <Yinghai.Lu@....COM> wrote:
> 
> > >> +int update_console_cmdline(char *name, int idx, char *name_new, int idx_new, char *options)
> > >> +{
> > >> +	struct console_cmdline *c;
> > >> +	int i;
> > >> +
> > >> +	for (i = 0; i < MAX_CMDLINECONSOLES && console_cmdline[i].name[0]; i++)
> > >> +		if (strcmp(console_cmdline[i].name, name) == 0 &&
> > >> +			  console_cmdline[i].index == idx) {
> > >> +				c = &console_cmdline[i];
> > >> +				memcpy(c->name, name_new, sizeof(c->name));
> > >> +				c->name[sizeof(c->name) - 1] = 0;
> > >> +				c->options = options;
> > >> +				c->index = idx_new;
> > >> +				return i;
> > >> +		}
> > >> +	/* not found */
> > >> +	return -1;
> > >> +}
> > > 
> > > Shouldn't this be __init?
> > > 
> > > serial8250_find_port_for_earlycon() had its __init removed.  Why?
> > with __init, the compiler will cry about .init.text and .text missection.
> 
> But was this the correct fix for that?  afaict the only caller of
> this function is __init anyway.
> 
You are right.
serial8250_find_port_for_earlycon and
update_console_cmdline in kernel/printk.c
could be __init

YH
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