linux-kernel - Re: [uml-devel] [PATCH 4/5] UML - Simplify helper stack handling

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Message-Id: <20070626150747.5110e614.akpm@linux-foundation.org>
Date:	Tue, 26 Jun 2007 15:07:47 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Jeff Dike <jdike@...toit.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	uml-devel <user-mode-linux-devel@...ts.sourceforge.net>
Subject: Re: [uml-devel] [PATCH 4/5] UML - Simplify helper stack handling

On Tue, 26 Jun 2007 17:53:28 -0400
Jeff Dike <jdike@...toit.com> wrote:

> On Tue, Jun 26, 2007 at 01:35:50PM -0700, Andrew Morton wrote:
> > >  	sprintf(title, data->title, data->device);
> > > -	pid = run_helper(NULL, NULL, argv, NULL);
> > > +	pid = run_helper(NULL, NULL, argv);
> > >  	if (pid < 0) {
> > >  		err = pid;
> > >  		printk(UM_KERN_ERR "xterm_open : run_helper failed, "
> > 
> > Something's gone wrong here.  My copy of this file has
> > 
> >         pid = run_helper(NULL, NULL, argv, &stack);
> 
> Looks like you're applying patches out of order.

Yes, I am.  After a few days off and a few more days being lazy I have
600-odd patches (and followups thereto) to process.

- If I do them in-order, I merge stuff which is out of date or wrong

- If I do them in reverse-order, I can miss dependencies.

On balance, reverse-order seems to be better.

>  This is from the
> 14th, while a patch from the 13th ("UML - xterm driver tidying") has
> -       pid = run_helper(NULL, NULL, argv, &stack);
> 	...
> +       pid = run_helper(NULL, NULL, argv, NULL);
> 
> If you don't want to fiddle with this, just drop it and I'll rediff
> against the next -mm and resend.

I sorted it out, thanks.
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