linux-kernel - Re: [patch 3/3] futex_compat: update to match native version

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Message-ID: <20070910193552.GC4964@elte.hu>
Date:	Mon, 10 Sep 2007 21:35:52 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	arnd@...db.de
Cc:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>
Subject: Re: [patch 3/3] futex_compat: update to match native version


* arnd@...db.de <arnd@...db.de> wrote:

> A few changes have gone into the futex code but not into the 
> futex_compat code, the most significant one being a fix for 
> FUTEX_WAKE_OP in commit f54f098612d7f86463b5fb4763d03533d634de73.
> 
> This brings both versions in sync again.

> -	if (cmd == FUTEX_REQUEUE || cmd == FUTEX_CMP_REQUEUE)
> -		val2 = (int) (unsigned long) utime;
> +	/*
> +	 * requeue parameter in 'utime' if cmd == FUTEX_REQUEUE.
> +	 * number of waiters to wake in 'utime' if cmd == FUTEX_WAKE_OP.
> +	 */
> +	if (cmd == FUTEX_REQUEUE || cmd == FUTEX_CMP_REQUEUE ||
> +	    cmd == FUTEX_WAKE_OP)
> +		val2 = (u32) (unsigned long) utime;

thanks.

Acked-by: Ingo Molnar <mingo@...e.hu>

	Ingo
-
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