linux-kernel - Re: rfc: remove early_printk from a few arches? (blackfin, m68k, mips)

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Message-ID: <1418954914.25129.1.camel@perches.com>
Date:	Thu, 18 Dec 2014 18:08:34 -0800
From:	Joe Perches <joe@...ches.com>
To:	Måns Rullgård <mans@...sr.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	linux-arch <linux-arch@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	linux-m68k <linux-m68k@...ts.linux-m68k.org>,
	Steven Miao <realmz6@...il.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	linux-mips <linux-mips@...ux-mips.org>
Subject: Re: rfc: remove early_printk from a few arches? (blackfin, m68k,
 mips)

On Fri, 2014-12-19 at 01:43 +0000, Måns Rullgård wrote:
> What exactly are you proposing to remove?

Optionally compile out
kernel/printk/printk.c:early_printk()
even if CONFIG_EARLY_PRINTK is enabled.

> I see no unused code related
> to early printk (in any variant) under arch/mips.

I think there could be yet another CONFIG option
to specifically enable the early_printk function
for the arches that use it.

The kernel/printk/early_printk() function seems
used only by arm/microblaze/tile/x86.


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