diff options
Diffstat (limited to 'arch/powerpc/mm/book3s64/radix_pgtable.c')
| -rw-r--r-- | arch/powerpc/mm/book3s64/radix_pgtable.c | 40 |
1 files changed, 8 insertions, 32 deletions
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c index 3a600bd7fbc6..def04631a74d 100644 --- a/arch/powerpc/mm/book3s64/radix_pgtable.c +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c @@ -33,7 +33,6 @@ #include <trace/events/thp.h> -unsigned int mmu_pid_bits; unsigned int mmu_base_pid; unsigned long radix_mem_block_size __ro_after_init; @@ -335,7 +334,7 @@ static void __init radix_init_pgtable(void) u64 i; /* We don't support slb for radix */ - mmu_slb_size = 0; + slb_set_size(0); /* * Create the linear mapping @@ -357,18 +356,13 @@ static void __init radix_init_pgtable(void) -1, PAGE_KERNEL)); } - /* Find out how many PID bits are supported */ if (!cpu_has_feature(CPU_FTR_HVMODE) && cpu_has_feature(CPU_FTR_P9_RADIX_PREFETCH_BUG)) { /* * Older versions of KVM on these machines perfer if the * guest only uses the low 19 PID bits. */ - if (!mmu_pid_bits) - mmu_pid_bits = 19; - } else { - if (!mmu_pid_bits) - mmu_pid_bits = 20; + mmu_pid_bits = 19; } mmu_base_pid = 1; @@ -449,11 +443,6 @@ static int __init radix_dt_scan_page_sizes(unsigned long node, if (type == NULL || strcmp(type, "cpu") != 0) return 0; - /* Find MMU PID size */ - prop = of_get_flat_dt_prop(node, "ibm,mmu-pid-bits", &size); - if (prop && size == 4) - mmu_pid_bits = be32_to_cpup(prop); - /* Grab page size encodings */ prop = of_get_flat_dt_prop(node, "ibm,processor-radix-AP-encodings", &size); if (!prop) @@ -510,7 +499,7 @@ static int __init probe_memory_block_size(unsigned long node, const char *uname, return 1; } -static unsigned long radix_memory_block_size(void) +static unsigned long __init radix_memory_block_size(void) { unsigned long mem_block_size = MIN_MEMORY_BLOCK_SIZE; @@ -528,7 +517,7 @@ static unsigned long radix_memory_block_size(void) #else /* CONFIG_MEMORY_HOTPLUG */ -static unsigned long radix_memory_block_size(void) +static unsigned long __init radix_memory_block_size(void) { return 1UL * 1024 * 1024 * 1024; } @@ -572,22 +561,11 @@ void __init radix__early_init_devtree(void) return; } -static void radix_init_amor(void) -{ - /* - * In HV mode, we init AMOR (Authority Mask Override Register) so that - * the hypervisor and guest can setup IAMR (Instruction Authority Mask - * Register), enable key 0 and set it to 1. - * - * AMOR = 0b1100 .... 0000 (Mask for key 0 is 11) - */ - mtspr(SPRN_AMOR, (3ul << 62)); -} - void __init radix__early_init_mmu(void) { unsigned long lpcr; +#ifdef CONFIG_PPC_64S_HASH_MMU #ifdef CONFIG_PPC_64K_PAGES /* PAGE_SIZE mappings */ mmu_virtual_psize = MMU_PAGE_64K; @@ -605,6 +583,7 @@ void __init radix__early_init_mmu(void) } else mmu_vmemmap_psize = mmu_virtual_psize; #endif +#endif /* * initialize page table size */ @@ -644,7 +623,6 @@ void __init radix__early_init_mmu(void) lpcr = mfspr(SPRN_LPCR); mtspr(SPRN_LPCR, lpcr | LPCR_UPRT | LPCR_HR); radix_init_partition_table(); - radix_init_amor(); } else { radix_init_pseries(); } @@ -668,8 +646,6 @@ void radix__early_init_mmu_secondary(void) set_ptcr_when_no_uv(__pa(partition_tb) | (PATB_SIZE_SHIFT - 12)); - - radix_init_amor(); } radix__switch_mmu_context(NULL, &init_mm); @@ -1100,7 +1076,7 @@ int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot) int pud_clear_huge(pud_t *pud) { - if (pud_huge(*pud)) { + if (pud_is_leaf(*pud)) { pud_clear(pud); return 1; } @@ -1147,7 +1123,7 @@ int pmd_set_huge(pmd_t *pmd, phys_addr_t addr, pgprot_t prot) int pmd_clear_huge(pmd_t *pmd) { - if (pmd_huge(*pmd)) { + if (pmd_is_leaf(*pmd)) { pmd_clear(pmd); return 1; } |