Am Donnerstag, 21. Januar 2016, 11:25:27 schrieb Michael Ellerman:
> There's no reason I'm aware of that the VMX copy loop shouldn't work on
> PPC970. And in fact it seems to boot and generally be happy.

does the same also hold for Cell? Maybe there are even more optimizations 
which can be copied from PPC970.

Marc 


> Signed-off-by: Michael Ellerman <m...@ellerman.id.au>
> ---
>  arch/powerpc/include/asm/cputable.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/powerpc/include/asm/cputable.h
> b/arch/powerpc/include/asm/cputable.h index b118072670fb..f412666fafe2
> 100644
> --- a/arch/powerpc/include/asm/cputable.h
> +++ b/arch/powerpc/include/asm/cputable.h
> @@ -411,7 +411,7 @@ enum {
>           CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_201 | \
>           CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \
>           CPU_FTR_CP_USE_DCBTZ | CPU_FTR_STCX_CHECKS_ADDRESS | \
> -         CPU_FTR_HVMODE | CPU_FTR_DABRX)
> +         CPU_FTR_HVMODE | CPU_FTR_DABRX | CPU_FTR_VMX_COPY)
>  #define CPU_FTRS_POWER5      (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
>           CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
>           CPU_FTR_MMCRA | CPU_FTR_SMT | \

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