From: Chuck Ebbert <76306.1226@compuserve.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org, stsp@aknet.ru, ak@suse.de
Subject: Re: [-mm patch] x86: start early_printk at sensible screen row
Date: Sat, 25 Feb 2006 06:03:41 -0500 [thread overview]
Message-ID: <200602250607_MC3-1-B93B-782@compuserve.com> (raw)
In-Reply-To: <20060225001533.3b06bbe0.akpm@osdl.org>
On Sat, 25 Feb 2006 at 00:15:33 -0800, Andrew Morton wrote:
> >
> > Use boot info to start early_printk() at the proper row on VGA console.
> >
>
> Define "proper".
>
> >
> > - current_ypos = max_ypos;
> > + current_ypos = SCREEN_INFO.orig_y;
>
> Is that the place at which the boot loader left the cursor?
Yes, that's what I should have said instead of "proper".
So far I can't break it; after booting with "vga=ask" and doing some
things at the prompt, the kernel output still starts at the right place.
But the emergency fallback early_printk still starts at a fixed place
and the x86_64 'direct mapping' message will screw things up when there's
no earlyprintk boot parameter.
--
Chuck
"Equations are the Devil's sentences." --Stephen Colbert
next reply other threads:[~2006-02-25 11:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-25 11:03 Chuck Ebbert [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-02-25 7:41 Chuck Ebbert
2006-02-25 8:15 ` Andrew Morton
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