From: "H. Peter Anvin" <hpa@zytor.com>
To: Tim Bird <tim.bird@am.sony.com>
Cc: Robert Schwebel <r.schwebel@pengutronix.de>,
linux kernel <linux-kernel@vger.kernel.org>,
linux-embedded <linux-embedded@vger.kernel.org>,
Matt Mackall <mpm@selenic.com>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH] bootup: Add built-in kernel command line for x86
Date: Wed, 06 Aug 2008 15:48:04 -0700 [thread overview]
Message-ID: <489A2A24.6010400@zytor.com> (raw)
In-Reply-To: <489A2419.2030900@am.sony.com>
Tim Bird wrote:
>
> One difficulty is that the other arches' command lines
> are not currently "broken", so there's no real incentive
> to change them.
>
> The only thing novel thing I'm adding here is the addition of
> the leading '!' to allow for an override. This is needed
> in some x86 cases I'm familiar with, but I've haven't seen
> any cases where it would be useful for other arches.
> (not to say they don't exist - I just haven't seen them.)
>
Note that it could just as easily be done with a CONFIG_CMDLINE_OVERRIDE
option, since the initial reason for a magic character was to be able to
provide both prefix and suffix splicing.
CONFIG_CMDLINE_OVERRIDE is probably more palatable to other architectures.
-hpa
next prev parent reply other threads:[~2008-08-06 22:48 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-06 21:31 [PATCH] bootup: Add built-in kernel command line for x86 Tim Bird
2008-08-06 21:31 ` Tim Bird
2008-08-06 22:04 ` Robert Schwebel
2008-08-06 22:22 ` Tim Bird
2008-08-06 22:48 ` H. Peter Anvin [this message]
2008-08-06 22:52 ` Matt Mackall
2008-08-06 23:02 ` H. Peter Anvin
2008-08-06 23:00 ` Tim Bird
2008-08-06 23:03 ` H. Peter Anvin
2008-08-06 22:14 ` Matt Mackall
2008-08-06 22:31 ` Tim Bird
2008-08-06 22:48 ` Matt Mackall
2008-08-11 19:10 ` Ingo Molnar
2008-08-11 19:23 ` H. Peter Anvin
2008-08-11 22:40 ` Tim Bird
2008-08-12 19:52 ` [PATCH] bootup: Add built-in kernel command line for x86 (v2) Tim Bird
2008-08-15 14:03 ` Ingo Molnar
2008-08-15 14:12 ` Ingo Molnar
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