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Date: Sat, 11 Dec 2004 22:06:16 -0700 (MST)
From: Zwane Mwaikambo <zwane@arm.linux.org.uk>
To: "Paul E. McKenney" <paulmck@us.ibm.com>
cc: Andrew Morton <akpm@osdl.org>, Stephen Rothwell <sfr@canb.auug.org.au>,
       Linux Kernel <linux-kernel@vger.kernel.org>,
       Dipankar Sarma <dipankar@in.ibm.com>, Li Shaohua <shaohua.li@intel.com>,
       Len Brown <len.brown@intel.com>
Subject: Re: [PATCH] Remove RCU abuse in cpu_idle()
In-Reply-To: <Pine.LNX.4.61.0412112123490.7847@montezuma.fsmlabs.com>
Message-ID: <Pine.LNX.4.61.0412112205290.7847@montezuma.fsmlabs.com>
References: <20041205004557.GA2028@us.ibm.com> <20041206111634.44d6d29c.sfr@canb.auug.org.au>
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On Sat, 11 Dec 2004, Zwane Mwaikambo wrote:

> Introduce cpu_idle_wait() on architectures requiring modification of 
> pm_idle from modules, this will ensure that all processors have updated 
> their cached values of pm_idle upon exit. This patch is to address the bug 
> report at http://bugme.osdl.org/show_bug.cgi?id=1716 and replaces the 
> current code fix which is in violation of normal RCU usage as pointed out 
> by Stephen, Dipankar and Paul.

Aargh, i shouldn't be programming whilst sick :( i'll repost a non broken 
version shortly.