From: Matt Evans <matt@ozlabs.org>
To: Kumar Gala <galak@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] powerpc: Free up some CPU feature bits by moving out MMU-related features
Date: Thu, 07 Apr 2011 18:17:12 +1000 [thread overview]
Message-ID: <4D9D7308.4030405@ozlabs.org> (raw)
In-Reply-To: <D5DE7F16-B3E0-4F5C-9A2C-0052C6B6D2D1@kernel.crashing.org>
On 07/04/11 17:06, Kumar Gala wrote:
>
> 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
I would argue it's the core/nest that orders/disorders things rather than the MMU.
Cheers,
Matt
prev parent reply other threads:[~2011-04-07 8:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-07 5:48 [PATCH] powerpc: Free up some CPU feature bits by moving out MMU-related features Matt Evans
2011-04-07 7:06 ` Kumar Gala
2011-04-07 8:17 ` Matt Evans [this message]
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