linux-kernel - Re: [PATCH 01/30] disallow SERIAL_8250_PNP with SERIAL_8250

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Message-ID: <20090324221816.50e7ccc2@lxorguk.ukuu.org.uk>
Date:	Tue, 24 Mar 2009 22:18:16 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	Andrey Panin <pazke@...pac.ru>, linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org, torvalds@...ux-foundation.org
Subject: Re: [PATCH 01/30] disallow SERIAL_8250_PNP with SERIAL_8250_CONSOLE

On Tue, 24 Mar 2009 21:43:21 +0000
Matthew Garrett <mjg59@...f.ucam.org> wrote:

> On Tue, Mar 24, 2009 at 09:38:41PM +0000, Alan Cox wrote:
> > > > Since the conversion to drivers/serial - so years.
> > > 
> > > So everyone using serial console with 8250_PNP enabled gets a crash on 
> > > boot, and has done for years? Really?
> > 
> > If their console port is PnP listed yes.
> 
> So this patch breaks the case where a kernel with PNP support is booted 
> on a system without PNP-listed serial ports? Do we know the ratio of 
> machines fixed by this compared to the machines broken?

Well the original patch came from Red Hat so perhaps they can provide
data based on their userbase ?
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