[POWERPC] spufs: Call spu_acquire_saved() before calculating the SPU note sizes
It makes sense to stop the SPU processes as soon as possible. Also if we dont acquire_saved() I think there's a possibility that the value in csa.priv2.spu_lslr_RW won't be accurate. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
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