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From: Kumar Gala <galak@kernel.crashing.org>
To: Michael Neuling <mikey@neuling.org>
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Subject: Re: [PATCH 2/2] powerpc: Add 2.06 tlbie mnemonics
Date: Mon, 27 Apr 2009 14:31:44 -0500
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Cc: Paul Mackerras <paulus@samba.org>, Milton Miller <miltonm@bga.com>,
	linuxppc-dev@ozlabs.org
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On Apr 24, 2009, at 1:24 AM, Michael Neuling wrote:

> Index: linux-2.6-ozlabs/arch/powerpc/include/asm/cputable.h
> ===================================================================
> --- linux-2.6-ozlabs.orig/arch/powerpc/include/asm/cputable.h
> +++ linux-2.6-ozlabs/arch/powerpc/include/asm/cputable.h
> @@ -195,6 +195,7 @@ extern const char *powerpc_base_platform
> #define CPU_FTR_SAO			LONG_ASM_CONST(0x0020000000000000)
> #define CPU_FTR_CP_USE_DCBTZ		LONG_ASM_CONST(0x0040000000000000)
> #define CPU_FTR_UNALIGNED_LD_STD	LONG_ASM_CONST(0x0080000000000000)
> +#define CPU_FTR_TLBIE_206		LONG_ASM_CONST(0x0100000000000000)
>
> #ifndef __ASSEMBLY__
>
> @@ -409,7 +410,7 @@ extern const char *powerpc_base_platform
> 	    CPU_FTR_MMCRA | CPU_FTR_SMT | \
> 	    CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
> 	    CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
> -	    CPU_FTR_DSCR | CPU_FTR_SAO)
> +	    CPU_FTR_DSCR | CPU_FTR_SAO | CPU_FTR_TLBIE_206)
> #define CPU_FTRS_CELL	(CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
> 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
> 	    CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \

I think our preference is to use MMU features for such things now  
instead of burning a cpu feature for it.

- k