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Date: Sun, 12 Dec 2004 22:41:33 -0800
From: Andrew Morton <akpm@osdl.org>
To: Zwane Mwaikambo <zwane@arm.linux.org.uk>
Cc: paulmck@us.ibm.com, sfr@canb.auug.org.au, linux-kernel@vger.kernel.org,
       dipankar@in.ibm.com, shaohua.li@intel.com, len.brown@intel.com
Subject: Re: [PATCH] Remove RCU abuse in cpu_idle()
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Zwane Mwaikambo <zwane@arm.linux.org.uk> wrote:
>
> > This gives me scadzillions of "using smp_procesor_id() in preemptible"
>  > warnings.

As does the current_cpu_data evaluation in default_idle(), now we've gone
and dropped the rcu_read_lock() from around it.  That debugging patch is a
pain.

I'll switch it to boot_cpu_data.