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Subject: Re: [PATCH 2/2] time: allow gcc to fold constants when possible
From: Joe Perches <joe@perches.com>
To: Nicholas Mc Guire <hofrat@osadl.org>
Cc: Michal Marek <mmarek@suse.cz>, Masahiro Yamada <yamada.m@jp.panasonic.com>,
        Sam Ravnborg <sam@ravnborg.org>, Thomas Gleixner <tglx@linutronix.de>,
        "H. Peter Alvin" <hpa@zytor.com>, John Stultz <john.stultz@linaro.org>,
        Andrew Hunter <ahh@google.com>, Paul Turner <pjt@google.com>,
        linux-kernel@vger.kernel.org
Date: Thu, 28 May 2015 11:02:36 -0700
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On Thu, 2015-05-28 at 19:09 +0200, Nicholas Mc Guire wrote:
> To allow constant folding in usecs_to_jiffies() conditionally calls
> the HZ dependent _usecs_to_jiffies() helpers or, when gcc can not
> figure out constant folding, __usecs_to_jiffies, which is the renamed
> original usecs_to_jiffies() function.

Hi Nicholas.

Thanks for following through with this.

The subject might be nicer if it referenced usecs_to_jiffies
instead of being a bit generic.

Maybe something like:

time: allow gcc to fold usecs_to_jiffies(constant)