From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH v3 7/9] KVM-GST: KVM Steal time accounting
Date: Thu, 30 Jun 2011 23:54:34 +0200
Message-ID: <1309470874.12449.610.camel@twins>
References: <1309361388-30163-1-git-send-email-glommer@redhat.com>
	 <1309361388-30163-8-git-send-email-glommer@redhat.com>
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Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	Rik van Riel <riel@redhat.com>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>,
	Avi Kivity <avi@redhat.com>,
	Anthony Liguori <aliguori@us.ibm.com>,
	Eric B Munson <emunson@mgebm.net>
To: Glauber Costa <glommer@redhat.com>
Return-path: <linux-kernel-owner@vger.kernel.org>
In-Reply-To: <1309361388-30163-8-git-send-email-glommer@redhat.com>
Sender: linux-kernel-owner@vger.kernel.org
List-Id: kvm.vger.kernel.org

On Wed, 2011-06-29 at 11:29 -0400, Glauber Costa wrote:
> +static inline u64 steal_ticks(u64 steal)
> +{
> +       if (unlikely(steal > NSEC_PER_SEC))
> +               return steal / TICK_NSEC;

That won't compile on a number of 32bit architecture, use div_u64 or
something similar.

> +
> +       return __iter_div_u64_rem(steal, TICK_NSEC, &steal);
> +}