On Nov 9, 2011, at 6:07 PM, Kyle Moffett wrote:

> As FreeScale e500 systems have different cacheline sizes from e500mc, it
> is basically impossible for the kernel to support both in a single
> system image at present.
> 
> Given that one is SPE-float and the other is classic-float, they are not
> generally userspace-compatible either.
> 
> This patch updates the conditional to depend on whether the system is
> actually targetting an "e500" or "e500mc" core and entirely removes the
> unused sync-to-lwsync-replacement on e500v1/e500v2 systems.
> 
> Signed-off-by: Kyle Moffett <kyle.d.moff...@boeing.com>
> ---
> arch/powerpc/include/asm/synch.h |   16 ++++------------
> 1 files changed, 4 insertions(+), 12 deletions(-)

Nak, we can run an e500mc in a mode that is compatible with e500v1/v2.  I see 
no reason to change the support we have there.

- k
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