Scott Wood 37c5e942bb powerpc/fsl-book3e: Avoid lbarx on e5500 ...

lbarx/stbcx. are implemented on e6500, but not on e5500.
Likewise, SMT is on e6500, but not on e5500.

So, avoid executing an unimplemented instruction by only locking
when needed (i.e. in the presence of SMT).

Signed-off-by: Scott Wood <oss@buserror.net>

2016-03-03 23:43:05 -06:00

4.3 KiB

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