linux-kernel - Re: [PATCH 1/7] async: Asynchronous function calls to speed up kernel boot

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Message-ID: <20090107171745.3a825edc@infradead.org>
Date:	Wed, 7 Jan 2009 17:17:45 -0800
From:	Arjan van de Ven <arjan@...radead.org>
To:	Arnaldo Carvalho de Melo <acme@...radead.org>
Cc:	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org
Subject: Re: [PATCH 1/7] async: Asynchronous function calls to speed up
 kernel boot

On Wed, 7 Jan 2009 22:31:41 -0200
Arnaldo Carvalho de Melo <acme@...radead.org> wrote:

> Small nitpick:
> 
> - > +		return entry->cookie;
> > +	} else if (!list_empty(running)) {
> > +		entry = list_first_entry(running,
> > +			struct async_entry, list);
> - > +		return entry->cookie;
> > +	} else {
> > +		/* nothing in progress... next_cookie is
> > "infinity" */
> > +		return next_cookie;
> > +	}
> 
> + 	return entry->cookie;

no you cannot do this; entry can be freed by this time already from a
thread.
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