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Subject: Re: [PATCH 09/21] powerpc: Preemptible mmu_gather
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Andrea Arcangeli <aarcange@redhat.com>, Avi Kivity <avi@redhat.com>,
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        Stephen Rothwell <sfr@canb.auug.org.au>
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Date: Tue, 30 Nov 2010 14:35:48 +1100
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> This breaks embedded 64-bit build. Replace CONFIG_PPC64 with
> CONFIG_PPC_BOOK3S_64 to only hit server when you access the
> ppc64_tlb_batch in process.c since it doesn't exist for BOOK3E.
> 
> This patch to fold into yours fixes it for me:

With this fix and the other Kconfig fix, it seems to boot fine and no
obvious breakage doing simple things on G5 and a power6 machine.

Cheers,
Ben.