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From: john stultz <johnstul@us.ibm.com>
To: lkml <linux-kernel@vger.kernel.org>
Cc: yoshfuji@linux-ipv6.org, Roman Zippel <zippel@linux-m68k.org>,
	Ulrich Windl <ulrich.windl@rz.uni-regensburg.de>,
	George Anzinger <george@mvista.com>,
	joe-lkml@rameria.de
Subject: Re: [RFC][PATCH] NTP shift_right cleanup (v. A1)
Date: Wed, 14 Sep 2005 10:53:14 -0700	[thread overview]
Message-ID: <1126720398.3455.58.camel@cog.beaverton.ibm.com> (raw)
In-Reply-To: <1126720091.3455.56.camel@cog.beaverton.ibm.com>

On Wed, 2005-09-14 at 10:48 -0700, john stultz wrote:
> +/* Required to safely shift negative values */
> +#define shift_right(x, s) ({	\
> +	__typeof__(x) __x = x;	\
> +	__typeof__(s) __s = s;	\
> +	(__x < 0) ? (-((-__x) >> (__s))) : ((__x) >> (__s));	\
> +})
> +

Ah, crud. Scratch that. I forgot to check in the paren change suggested
by Roman. A new patch will follow shortly.

thanks
-john



  reply	other threads:[~2005-09-14 17:55 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-14 17:48 john stultz
2005-09-14 17:53 ` john stultz [this message]
2005-09-14 18:39   ` NTP leap second question George Anzinger
2005-09-14 18:54     ` john stultz
2005-09-15  6:49       ` Ulrich Windl
2005-09-15 17:21         ` Kyle Moffett
2005-09-15 18:35           ` Alan Cox
2005-09-14 18:13 ` [RFC][PATCH] NTP shift_right cleanup (v. A1) Roman Zippel
2005-09-14 18:25   ` john stultz
2005-09-14 19:11     ` Roman Zippel
2005-09-14 18:40 ` [RFC][PATCH] NTP shift_right cleanup (v. A2) john stultz
2005-09-20  1:28 ` [PATCH] " john stultz
2005-09-21  3:24   ` [PATCH] NTP shift_right cleanup (v. A3) john stultz
2005-09-21  5:24     ` Nick Piggin
2005-09-21  8:13       ` Ulrich Windl
2005-09-21 12:18         ` Nick Piggin

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