Re: [PATCH] THE LINUX/I386 BOOT PROTOCOL - Breaking the 256 limit (ping)

["H. Peter Anvin" <hpa@zytor.com>]

Matt Domsch wrote:
> On Mon, Aug 28, 2006 at 12:00:37PM -0700, H. Peter Anvin wrote:
> > Matt Domsch wrote:
> > > No reason.  I was just trying to be careful, not leaving data in the
> > > upper bits of those registers going uninitialized.  If we know they're
> > > not being used ever, then it's not a problem.  But I don't think
> > > that's the source of the command line size concern, is it?
> > No, it's treating the command line as a fixed buffer, as opposed to a 
> > null-terminated string.  This was always a bug, by the way.
>
> OK, I'll look at fixing that, and using %esi throughout.

NAK on that.  "Using %esi throughout" is a red herring, and just will 
produce worse code for no gain.

	-hpa
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