linux-kernel - Re: [PATCH 2/2] Rewrite jump_label.c to use binary search

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Date:	Wed, 22 Sep 2010 14:14:44 -0400
From:	Jason Baron <jbaron@...hat.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	rusty@...tcorp.co.au, rostedt@...dmis.com,
	linux-kernel@...r.kernel.org, mingo@...e.hu, hpa@...or.com,
	tglx@...utronix.de, roland@...hat.com, rth@...hat.com,
	mhiramat@...hat.com, fweisbec@...il.com, avi@...hat.com,
	davem@...emloft.net, vgoyal@...hat.com, sam@...nborg.org,
	tony@...eyournoodle.com, Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 2/2] Rewrite jump_label.c to use binary search

On Wed, Sep 22, 2010 at 01:56:48PM +0200, Andi Kleen wrote:
> >> +	struct jump_entry *entry;
> >>
> >> +	for (entry = jstart; entry < jstop; entry++)
> >> +		if (entry->code <= (unsigned long)start &&
> >
> > start -> end ?
> 
> I copied this from the original code too. I remember stumbling
> over it too. Yes it was probably wrong in the original too.
> 

No...the original version had it correct, check the archive.

This bug was introduced in your version.

thanks,

-Jason

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