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| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2019-04-25 17:29:36 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-05-02 18:20:23 +0300 |
| commit | 5953fb4f4671d7d755a81017a76766c00922d059 (patch) | |
| tree | fea78794c7d5f2f36574988a7d35dc0ad7cca1c0 | |
| parent | 43ed7909d70a61c621cadb5d808dc392ad537e5a (diff) | |
| download | linux-5953fb4f4671d7d755a81017a76766c00922d059.tar.xz | |
powerpc/mm: define subarch SLB_ADDR_LIMIT_DEFAULT
This patch defines a subarch specific SLB_ADDR_LIMIT_DEFAULT
to remove the #ifdefs around the setup of mm->context.slb_addr_limit
It also generalises the use of mm_ctx_set_slb_addr_limit() helper.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/slice.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/nohash/32/slice.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/book3s64/hash_utils.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/nohash/tlb.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/mm/slice.c | 6 |
5 files changed, 7 insertions, 9 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/slice.h b/arch/powerpc/include/asm/book3s/64/slice.h index 062e11136e9c..f0d3194ba41b 100644 --- a/arch/powerpc/include/asm/book3s/64/slice.h +++ b/arch/powerpc/include/asm/book3s/64/slice.h @@ -11,4 +11,6 @@ #define SLICE_NUM_HIGH (H_PGTABLE_RANGE >> SLICE_HIGH_SHIFT) #define GET_HIGH_SLICE_INDEX(addr) ((addr) >> SLICE_HIGH_SHIFT) +#define SLB_ADDR_LIMIT_DEFAULT DEFAULT_MAP_WINDOW_USER64 + #endif /* _ASM_POWERPC_BOOK3S_64_SLICE_H */ diff --git a/arch/powerpc/include/asm/nohash/32/slice.h b/arch/powerpc/include/asm/nohash/32/slice.h index 777d62e40ac0..39eb0154ae2d 100644 --- a/arch/powerpc/include/asm/nohash/32/slice.h +++ b/arch/powerpc/include/asm/nohash/32/slice.h @@ -13,6 +13,8 @@ #define SLICE_NUM_HIGH 0ul #define GET_HIGH_SLICE_INDEX(addr) (addr & 0) +#define SLB_ADDR_LIMIT_DEFAULT DEFAULT_MAP_WINDOW + #endif /* CONFIG_PPC_MM_SLICES */ #endif /* _ASM_POWERPC_NOHASH_32_SLICE_H */ diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c index b21a81d42f15..23ed8db645ad 100644 --- a/arch/powerpc/mm/book3s64/hash_utils.c +++ b/arch/powerpc/mm/book3s64/hash_utils.c @@ -1058,7 +1058,7 @@ void __init hash__early_init_mmu(void) htab_initialize(); init_mm.context.hash_context = &init_hash_mm_context; - init_mm.context.hash_context->slb_addr_limit = DEFAULT_MAP_WINDOW_USER64; + mm_ctx_set_slb_addr_limit(&init_mm.context, SLB_ADDR_LIMIT_DEFAULT); pr_info("Initializing hash mmu with SLB\n"); /* Initialize SLB management */ diff --git a/arch/powerpc/mm/nohash/tlb.c b/arch/powerpc/mm/nohash/tlb.c index 704e613a0b14..c2494b838008 100644 --- a/arch/powerpc/mm/nohash/tlb.c +++ b/arch/powerpc/mm/nohash/tlb.c @@ -802,9 +802,7 @@ void __init early_init_mmu(void) #endif #ifdef CONFIG_PPC_MM_SLICES -#if defined(CONFIG_PPC_8xx) - init_mm.context.slb_addr_limit = DEFAULT_MAP_WINDOW; -#endif + mm_ctx_set_slb_addr_limit(&init_mm.context, SLB_ADDR_LIMIT_DEFAULT); #endif } #endif /* CONFIG_PPC64 */ diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c index ace97d953040..97fbf7b54422 100644 --- a/arch/powerpc/mm/slice.c +++ b/arch/powerpc/mm/slice.c @@ -704,11 +704,7 @@ void slice_init_new_context_exec(struct mm_struct *mm) * case of fork it is just inherited from the mm being * duplicated. */ -#ifdef CONFIG_PPC64 - mm_ctx_set_slb_addr_limit(&mm->context, DEFAULT_MAP_WINDOW_USER64); -#else - mm->context.slb_addr_limit = DEFAULT_MAP_WINDOW; -#endif + mm_ctx_set_slb_addr_limit(&mm->context, SLB_ADDR_LIMIT_DEFAULT); mm_ctx_set_user_psize(&mm->context, psize); /* |