From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: Re: [PATCH 3/4] sparc64: convert spinlock_t to raw_spinlock_t in
 mmu_context_t
Date: Fri, 7 Mar 2014 15:29:38 +0100
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* David Miller | 2014-03-04 14:55:23 [-0500]:

>PowerPC does the same exact thing with arch_enter_lazy_mmu_mode(), in
>fact that's where I copied the logic from.  Does PowerPC not work with
>-rt? :-)

It is only PPC64 as far as I can see and I have mostly 32bit book-e
around. That preempt-lazy stuff also touches PPC64 bits so I assume
PPC64 works.

Sebastian