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SubjectRe: [PATCH] x86_64, i386: Add command line length to boot protocol
On Mon, Mar 12, 2007 at 10:43:52AM +0000, Pavel Machek wrote:
> 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.

65535 characters? Are you for real?
Stop and think about just how big that is. If you have to create
a boot command line that long, you have serious, serious issues.


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