linux-kernel - Re: [PATCH -mm] console: console

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Message-ID: <20060925211122.GC25257@flint.arm.linux.org.uk>
Date:	Mon, 25 Sep 2006 22:11:22 +0100
From:	Russell King <rmk+lkml@....linux.org.uk>
To:	dwalker@...sta.com
Cc:	akpm@...l.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -mm] console: console_drivers not initialized

On Mon, Sep 25, 2006 at 02:07:10PM -0700, dwalker@...sta.com wrote:
> I was doing -rt stuff on a PPC PowerBook G4. It would always reboot
> itself when it hit console_init() .
> 
> I noticed that the console code seems to want console_drivers = NULL,
> but it never actually sets it that way. Once I added this, the reboot 
> issue was gone..

It's a BSS variable, it _should_ be zeroed by the architecture's BSS
initialisation.  If not, it suggests there's something very _very_
wrong in the architecture's C runtime initialisation code.

As such, this patch is merely a band-aid, not a correct fix.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core
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