From: Pavel Machek <pavel@ucw.cz>
To: Dave Jones <davej@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
alon.barlev@gmail.com, ak@suse.de, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86_64, i386: Add command line length to boot protocol
Date: Mon, 12 Mar 2007 10:43:52 +0000 [thread overview]
Message-ID: <20070312104352.GA4313@ucw.cz> (raw)
In-Reply-To: <20070306182134.GB9491@redhat.com>
On Tue 2007-03-06 13:21:34, Dave Jones wrote:
> On Tue, Mar 06, 2007 at 07:14:30PM +0100, Bernhard Walle wrote:
>
> > +cmdline_size: .long COMMAND_LINE_SIZE-1 #length of the command line,
>
> Why a long? It's unlikely that someone is going to have a command line
> bigger than 0xffff.
Well, I could imagine overflowing that. Describing your numa setup,
excluding few bad bits of ram using memmap=exact, set up your boot
over iscsi on cmdline.... these are likely to eat insane ammount of
cmdline space.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2007-03-12 20:22 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-06 18:14 [PATCH] x86_64, i386: Add command line length to boot protocol Bernhard Walle
2007-03-06 18:21 ` Dave Jones
2007-03-12 10:43 ` Pavel Machek [this message]
2007-03-12 20:55 ` Dave Jones
2007-03-12 23:12 ` Pavel Machek
2007-03-12 23:39 ` Dave Jones
2007-03-06 21:46 ` Alon Bar-Lev
2007-03-07 10:05 ` Vivek Goyal
-- strict thread matches above, loose matches on Subject: below --
2007-02-13 16:49 Bernhard Walle
2007-02-04 18:05 Bernhard Walle
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