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Date: Sun, 7 Mar 2010 15:08:31 -0800
Message-ID: <fb412d761003071508v15586071wf38bc1ae1ad17480@mail.gmail.com>
Subject: Re: [PATCH 05/13] powerpc/476: Add isync after loading mmu and debug
	spr's
From: Hollis Blanchard <hollis@penguinppc.org>
To: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
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On Fri, Mar 5, 2010 at 12:43 PM, Dave Kleikamp
<shaggy@linux.vnet.ibm.com> wrote:
>
> powerpc/476: Add isync after loading mmu and debug spr's
>
> From: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
>
> 476 requires an isync after loading MMU and debug related SPR's. =A0Some =
of
> these are in performance-critical paths and may need to be optimized, but
> initially, we're playing it safe.

Why is there sometimes #ifdef CONFIG_PPC_47x, sometimes not, and never
the cputable infrastructure which was intended for this sort of thing?

-Hollis