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| author |   Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> | 2019-04-17 18:33:49 +0530 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2019-04-21 23:12:39 +1000 |
| commit | 67fda38f0d688580a916a8f829afd8edaffadfcf (patch) | |
| tree | 3ed4f420774799c619ed631939c0034eafaa34f4 /arch/powerpc | |
| parent | powerpc/mm: Add helpers for accessing hash translation related variables (diff) | |
| download | linux-dev-67fda38f0d688580a916a8f829afd8edaffadfcf.tar.xz linux-dev-67fda38f0d688580a916a8f829afd8edaffadfcf.zip | |
powerpc/mm: Move slb_addr_linit to early_init_mmu
Avoid #ifdef in generic code. Also enables us to do this specific to
MMU translation mode on book3s64
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kernel/setup-common.c | 11 | ||||
| -rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/tlb_nohash.c | 6 |
3 files changed, 8 insertions, 11 deletions
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 2e5dfb6e0823..a07de8608484 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -947,17 +947,6 @@ void __init setup_arch(char **cmdline_p) init_mm.end_data = (unsigned long) _edata; init_mm.brk = klimit; -#ifdef CONFIG_PPC_MM_SLICES -#ifdef CONFIG_PPC64 - if (!radix_enabled()) - init_mm.context.slb_addr_limit = DEFAULT_MAP_WINDOW_USER64; -#elif defined(CONFIG_PPC_8xx) - init_mm.context.slb_addr_limit = DEFAULT_MAP_WINDOW; -#else -#error "context.addr_limit not initialized." -#endif -#endif - #ifdef CONFIG_SPAPR_TCE_IOMMU mm_iommu_init(&init_mm); #endif diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index fee0270618ac..fe2fc43a8664 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -1036,6 +1036,8 @@ void __init hash__early_init_mmu(void) */ htab_initialize(); + init_mm.context.slb_addr_limit = DEFAULT_MAP_WINDOW_USER64; + pr_info("Initializing hash mmu with SLB\n"); /* Initialize SLB management */ slb_initialize(); diff --git a/arch/powerpc/mm/tlb_nohash.c b/arch/powerpc/mm/tlb_nohash.c index ac23dc1c6535..088e0a6b5ade 100644 --- a/arch/powerpc/mm/tlb_nohash.c +++ b/arch/powerpc/mm/tlb_nohash.c @@ -800,5 +800,11 @@ void __init early_init_mmu(void) #ifdef CONFIG_PPC_47x early_init_mmu_47x(); #endif + +#ifdef CONFIG_PPC_MM_SLICES +#if defined(CONFIG_PPC_8xx) + init_mm.context.slb_addr_limit = DEFAULT_MAP_WINDOW; +#endif +#endif } #endif /* CONFIG_PPC64 */ |