linux-kernel - Re: [Fastboot] [PATCH 11/20] x86

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Message-ID: <20070308164529.GA5308@nlxdcldnl2.cl.intel.com>
Date:	Thu, 8 Mar 2007 08:45:29 -0800
From:	"Lombard, David N" <dnlombar@...ips.intel.com>
To:	Pavel Machek <pavel@....cz>
Cc:	Vivek Goyal <vgoyal@...ibm.com>, rjw@...k.pl,
	ebiederm@...ssion.com, hpa@...or.com, magnus.damm@...il.com,
	akpm@...ux-foundation.org,
	Reloc Kernel List <fastboot@...ts.osdl.org>, ak@...e.de,
	linux kernel mailing list <linux-kernel@...r.kernel.org>
Subject: Re: [Fastboot] [PATCH 11/20] x86_64: wakeup.S misc cleanups

On Thu, Mar 08, 2007 at 12:43:35PM +0100, Pavel Machek wrote:
> > > > +	movw	$0x0e00 + 'i', %ds:(0xb8012)
> > > > +	movb	$0xa8, %al	;  outb %al, $0x80;
> > > > +
> > > 
> > > > -	movw	$0x0e00 + 'i', %ds:(0xb8012)
> > > > -	movb	$0xa8, %al	;  outb %al, $0x80; 	
> > > 
> > > Outbs were my debugging hacks, perhaps you can simply remove them at
> > > this point? Not sure how useful "Linux" debug print is, it can
> > > probably be removed, too.
> > > 
> > I found these debugging hacks useful while debugging some problem with 
> > my changes in this code. It helps to find out till what poing code flow
> > as reached in this assembly code. So I think its not a bad idea to let
> > this piece code be there.
> 
> Ok. (I was not sure how common are displays of port 0x80).

They're now typically available in reasonably well stocked stores; I picked
one up from CompUSA about a year ago...

-- 
David N. Lombard, Intel, Irvine, CA
I do not speak for Intel Corporation; all comments are strictly my own.
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