[PATCH] Use 1TB segments
Jon Tollefson
kniht at linux.vnet.ibm.com
Tue Aug 7 08:23:57 EST 2007
Paul Mackerras wrote:
> diff --git a/arch/powerpc/mm/slb.c b/arch/powerpc/mm/slb.c
>
A couple of hunks fail in this file when applying to the current tree.
...
> diff --git a/include/asm-powerpc/mmu-hash64.h b/include/asm-powerpc/mmu-hash64.h
> index 695962f..053f86b 100644
> --- a/include/asm-powerpc/mmu-hash64.h
> +++ b/include/asm-powerpc/mmu-hash64.h
> @@ -47,6 +47,8 @@ extern char initial_stab[];
>
> /* Bits in the SLB VSID word */
> #define SLB_VSID_SHIFT 12
> +#define SLB_VSID_SHIFT_1T 24
> +#define SLB_VSID_SSIZE_SHIFT 62
> #define SLB_VSID_B ASM_CONST(0xc000000000000000)
> #define SLB_VSID_B_256M ASM_CONST(0x0000000000000000)
> #define SLB_VSID_B_1T ASM_CONST(0x4000000000000000)
> @@ -66,6 +68,7 @@ extern char initial_stab[];
> #define SLB_VSID_USER (SLB_VSID_KP|SLB_VSID_KS|SLB_VSID_C)
>
> #define SLBIE_C (0x08000000)
> +#define SLBIE_SSIZE_SHIFT 25
>
> /*
> * Hash table
> @@ -77,7 +80,7 @@ extern char initial_stab[];
> #define HPTE_V_AVPN_SHIFT 7
> #define HPTE_V_AVPN ASM_CONST(0x3fffffffffffff80)
> #define HPTE_V_AVPN_VAL(x) (((x) & HPTE_V_AVPN) >> HPTE_V_AVPN_SHIFT)
> -#define HPTE_V_COMPARE(x,y) (!(((x) ^ (y)) & HPTE_V_AVPN))
> +#define HPTE_V_COMPARE(x,y) (!(((x) ^ (y)) & 0xffffffffffffff80))
> #define HPTE_V_BOLTED ASM_CONST(0x0000000000000010)
> #define HPTE_V_LOCK ASM_CONST(0x0000000000000008)
> #define HPTE_V_LARGE ASM_CONST(0x0000000000000004)
> @@ -164,16 +167,25 @@ struct mmu_psize_def
> #define MMU_SEGSIZE_256M 0
> #define MMU_SEGSIZE_1T 1
>
> +/*
> + * Supported segment sizes
> + */
> +#define MMU_SEGSIZE_256M 0
> +#define MMU_SEGSIZE_1T 1
>
It looks like this is repeating the definitions just above it.
Jon
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