linux-kernel - Re: [PATCH 0/3] time: use __builtin_constant_p() in msecs_to

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Message-ID: <1428226435.2775.57.camel@perches.com>
Date:	Sun, 05 Apr 2015 02:33:55 -0700
From:	Joe Perches <joe@...ches.com>
To:	Nicholas Mc Guire <hofrat@...dl.org>
Cc:	Michal Marek <mmarek@...e.cz>,
	Masahiro Yamada <yamada.m@...panasonic.com>,
	Sam Ravnborg <sam@...nborg.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Alvin" <hpa@...or.com>,
	John Stultz <john.stultz@...aro.org>,
	Andrew Hunter <ahh@...gle.com>, Paul Turner <pjt@...gle.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] time: use __builtin_constant_p() in msecs_to_jiffies

On Sun, 2015-04-05 at 09:23 +0200, Nicholas Mc Guire wrote:

> Allowing gcc to fold constants for these calls that in most
> cases are passing in constants (roughly 95%) has some potential
> to improve performance (and should save a few bytes).

Thanks for working on this Nicholas.


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