[PATCH] powerpc: Free up some CPU feature bits by moving out MMU-related features

Kumar Gala galak at kernel.crashing.org
Thu Apr 7 17:06:43 EST 2011


On Apr 7, 2011, at 12:48 AM, Matt Evans wrote:

> diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
> index be3cdf9..7b0fe7c 100644
> --- a/arch/powerpc/include/asm/cputable.h
> +++ b/arch/powerpc/include/asm/cputable.h
> @@ -178,22 +178,15 @@ extern const char *powerpc_base_platform;
> #define LONG_ASM_CONST(x)		0
> #endif
> 
> -#define CPU_FTR_SLB			LONG_ASM_CONST(0x0000000100000000)
> -#define CPU_FTR_16M_PAGE		LONG_ASM_CONST(0x0000000200000000)
> -#define CPU_FTR_TLBIEL			LONG_ASM_CONST(0x0000000400000000)
> #define CPU_FTR_IABR			LONG_ASM_CONST(0x0000002000000000)
> #define CPU_FTR_MMCRA			LONG_ASM_CONST(0x0000004000000000)
> #define CPU_FTR_CTRL			LONG_ASM_CONST(0x0000008000000000)
> #define CPU_FTR_SMT			LONG_ASM_CONST(0x0000010000000000)
> -#define CPU_FTR_LOCKLESS_TLBIE		LONG_ASM_CONST(0x0000040000000000)
> -#define CPU_FTR_CI_LARGE_PAGE		LONG_ASM_CONST(0x0000100000000000)
> #define CPU_FTR_PAUSE_ZERO		LONG_ASM_CONST(0x0000200000000000)
> #define CPU_FTR_PURR			LONG_ASM_CONST(0x0000400000000000)
> #define CPU_FTR_CELL_TB_BUG		LONG_ASM_CONST(0x0000800000000000)
> #define CPU_FTR_SPURR			LONG_ASM_CONST(0x0001000000000000)
> #define CPU_FTR_DSCR			LONG_ASM_CONST(0x0002000000000000)
> -#define CPU_FTR_1T_SEGMENT		LONG_ASM_CONST(0x0004000000000000)
> -#define CPU_FTR_NO_SLBIE_B		LONG_ASM_CONST(0x0008000000000000)
> #define CPU_FTR_VSX			LONG_ASM_CONST(0x0010000000000000)
> #define CPU_FTR_SAO			LONG_ASM_CONST(0x0020000000000000)
> #define CPU_FTR_CP_USE_DCBTZ		LONG_ASM_CONST(0x0040000000000000)
> @@ -205,9 +198,10 @@ extern const char *powerpc_base_platform;

Seems like SAO should move into MMU features

- k


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