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Date: Mon, 15 Oct 2007 15:06:21 +1000
From: Paul Mackerras <paulus@samba.org>
To: Olof Johansson <olof@lixom.net>
Subject: Re: [PATCH] powerpc: Add 1TB workaround for PA6T
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Olof Johansson writes:

> @@ -367,7 +368,7 @@ extern void do_feature_fixups(unsigned long value, void *fixup_start,
>  #define CPU_FTRS_PA6T (CPU_FTR_USE_TB | \
>  	    CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \
>  	    CPU_FTR_ALTIVEC_COMP | CPU_FTR_CI_LARGE_PAGE | \
> -	    CPU_FTR_PURR | CPU_FTR_REAL_LE)
> +	    CPU_FTR_PURR | CPU_FTR_REAL_LE | CPU_FTR_NO_SLBIE_B)
>  #define CPU_FTRS_COMPATIBLE	(CPU_FTR_USE_TB | \
>  	    CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2)
>  
> @@ -375,7 +376,8 @@ extern void do_feature_fixups(unsigned long value, void *fixup_start,
>  #define CPU_FTRS_POSSIBLE	\
>  	    (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 |	\
>  	    CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_POWER6 |	\
> -	    CPU_FTRS_CELL | CPU_FTRS_PA6T | CPU_FTR_1T_SEGMENT)
> +	    CPU_FTRS_CELL | CPU_FTRS_PA6T | CPU_FTR_1T_SEGMENT |	\
> +	    CPU_FTR_NO_SLBIE_B)
>  #else
>  enum {
>  	CPU_FTRS_POSSIBLE =

I don't think the second hunk there is necessary, since
CPU_FTRS_POSSIBLE will already get CPU_FTR_NO_SLBIE_B via
CPU_FTRS_PA6T.

Paul.