diff options
Diffstat (limited to 'arch/powerpc/mm/book3s64')
| -rw-r--r-- | arch/powerpc/mm/book3s64/hash_hugepage.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/book3s64/hash_native.c | 13 | ||||
| -rw-r--r-- | arch/powerpc/mm/book3s64/hash_pgtable.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/mm/book3s64/hash_utils.c | 28 | ||||
| -rw-r--r-- | arch/powerpc/mm/book3s64/hugetlbpage.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/book3s64/mmu_context.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/book3s64/pgtable.c | 32 | ||||
| -rw-r--r-- | arch/powerpc/mm/book3s64/radix_pgtable.c | 36 | ||||
| -rw-r--r-- | arch/powerpc/mm/book3s64/slice.c | 6 |
9 files changed, 59 insertions, 65 deletions
diff --git a/arch/powerpc/mm/book3s64/hash_hugepage.c b/arch/powerpc/mm/book3s64/hash_hugepage.c index 15d6f3ea7178..cdfd4fe75edb 100644 --- a/arch/powerpc/mm/book3s64/hash_hugepage.c +++ b/arch/powerpc/mm/book3s64/hash_hugepage.c @@ -54,7 +54,7 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid, /* * Make sure this is thp or devmap entry */ - if (!(old_pmd & (H_PAGE_THP_HUGE | _PAGE_DEVMAP))) + if (!(old_pmd & H_PAGE_THP_HUGE)) return 0; rflags = htab_convert_pte_flags(new_pmd, flags); diff --git a/arch/powerpc/mm/book3s64/hash_native.c b/arch/powerpc/mm/book3s64/hash_native.c index 430d1d935a7c..e9e2dd70c060 100644 --- a/arch/powerpc/mm/book3s64/hash_native.c +++ b/arch/powerpc/mm/book3s64/hash_native.c @@ -27,8 +27,6 @@ #include <asm/ppc-opcode.h> #include <asm/feature-fixups.h> -#include <misc/cxl-base.h> - #ifdef DEBUG_LOW #define DBG_LOW(fmt...) udbg_printf(fmt) #else @@ -217,11 +215,9 @@ static inline void __tlbiel(unsigned long vpn, int psize, int apsize, int ssize) static inline void tlbie(unsigned long vpn, int psize, int apsize, int ssize, int local) { - unsigned int use_local; + unsigned int use_local = local && mmu_has_feature(MMU_FTR_TLBIEL); int lock_tlbie = !mmu_has_feature(MMU_FTR_LOCKLESS_TLBIE); - use_local = local && mmu_has_feature(MMU_FTR_TLBIEL) && !cxl_ctx_in_use(); - if (use_local) use_local = mmu_psize_defs[psize].tlbiel; if (lock_tlbie && !use_local) @@ -789,10 +785,6 @@ static void native_flush_hash_range(unsigned long number, int local) unsigned long psize = batch->psize; int ssize = batch->ssize; int i; - unsigned int use_local; - - use_local = local && mmu_has_feature(MMU_FTR_TLBIEL) && - mmu_psize_defs[psize].tlbiel && !cxl_ctx_in_use(); local_irq_save(flags); @@ -827,7 +819,8 @@ static void native_flush_hash_range(unsigned long number, int local) } pte_iterate_hashed_end(); } - if (use_local) { + if (mmu_has_feature(MMU_FTR_TLBIEL) && + mmu_psize_defs[psize].tlbiel && local) { asm volatile("ptesync":::"memory"); for (i = 0; i < number; i++) { vpn = batch->vpn[i]; diff --git a/arch/powerpc/mm/book3s64/hash_pgtable.c b/arch/powerpc/mm/book3s64/hash_pgtable.c index 988948d69bc1..82d31177630b 100644 --- a/arch/powerpc/mm/book3s64/hash_pgtable.c +++ b/arch/powerpc/mm/book3s64/hash_pgtable.c @@ -195,7 +195,7 @@ unsigned long hash__pmd_hugepage_update(struct mm_struct *mm, unsigned long addr unsigned long old; #ifdef CONFIG_DEBUG_VM - WARN_ON(!hash__pmd_trans_huge(*pmdp) && !pmd_devmap(*pmdp)); + WARN_ON(!hash__pmd_trans_huge(*pmdp)); assert_spin_locked(pmd_lockptr(mm, pmdp)); #endif @@ -227,7 +227,6 @@ pmd_t hash__pmdp_collapse_flush(struct vm_area_struct *vma, unsigned long addres VM_BUG_ON(address & ~HPAGE_PMD_MASK); VM_BUG_ON(pmd_trans_huge(*pmdp)); - VM_BUG_ON(pmd_devmap(*pmdp)); pmd = *pmdp; pmd_clear(pmdp); diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c index c8b4fa71d4a7..4693c464fc5a 100644 --- a/arch/powerpc/mm/book3s64/hash_utils.c +++ b/arch/powerpc/mm/book3s64/hash_utils.c @@ -56,7 +56,7 @@ #include <asm/cacheflush.h> #include <asm/cputable.h> #include <asm/sections.h> -#include <asm/copro.h> +#include <asm/spu.h> #include <asm/udbg.h> #include <asm/text-patching.h> #include <asm/fadump.h> @@ -343,7 +343,7 @@ static inline bool hash_supports_debug_pagealloc(void) static u8 *linear_map_hash_slots; static unsigned long linear_map_hash_count; static DEFINE_RAW_SPINLOCK(linear_map_hash_lock); -static void hash_debug_pagealloc_alloc_slots(void) +static __init void hash_debug_pagealloc_alloc_slots(void) { if (!hash_supports_debug_pagealloc()) return; @@ -409,7 +409,7 @@ static DEFINE_RAW_SPINLOCK(linear_map_kf_hash_lock); static phys_addr_t kfence_pool; -static inline void hash_kfence_alloc_pool(void) +static __init void hash_kfence_alloc_pool(void) { if (!kfence_early_init_enabled()) goto err; @@ -445,7 +445,7 @@ err: disable_kfence(); } -static inline void hash_kfence_map_pool(void) +static __init void hash_kfence_map_pool(void) { unsigned long kfence_pool_start, kfence_pool_end; unsigned long prot = pgprot_val(PAGE_KERNEL); @@ -1358,18 +1358,6 @@ static void __init htab_initialize(void) } else { unsigned long limit = MEMBLOCK_ALLOC_ANYWHERE; -#ifdef CONFIG_PPC_CELL - /* - * Cell may require the hash table down low when using the - * Axon IOMMU in order to fit the dynamic region over it, see - * comments in cell/iommu.c - */ - if (fdt_subnode_offset(initial_boot_params, 0, "axon") > 0) { - limit = 0x80000000; - pr_info("Hash table forced below 2G for Axon IOMMU\n"); - } -#endif /* CONFIG_PPC_CELL */ - table = memblock_phys_alloc_range(htab_size_bytes, htab_size_bytes, 0, limit); @@ -1612,7 +1600,9 @@ void demote_segment_4k(struct mm_struct *mm, unsigned long addr) if (get_slice_psize(mm, addr) == MMU_PAGE_4K) return; slice_set_range_psize(mm, addr, 1, MMU_PAGE_4K); - copro_flush_all_slbs(mm); +#ifdef CONFIG_SPU_BASE + spu_flush_all_slbs(mm); +#endif if ((get_paca_psize(addr) != MMU_PAGE_4K) && (current->mm == mm)) { copy_mm_to_paca(mm); @@ -1881,7 +1871,9 @@ int hash_page_mm(struct mm_struct *mm, unsigned long ea, "to 4kB pages because of " "non-cacheable mapping\n"); psize = mmu_vmalloc_psize = MMU_PAGE_4K; - copro_flush_all_slbs(mm); +#ifdef CONFIG_SPU_BASE + spu_flush_all_slbs(mm); +#endif } } diff --git a/arch/powerpc/mm/book3s64/hugetlbpage.c b/arch/powerpc/mm/book3s64/hugetlbpage.c index 83c3361b358b..2bcbbf9d85ac 100644 --- a/arch/powerpc/mm/book3s64/hugetlbpage.c +++ b/arch/powerpc/mm/book3s64/hugetlbpage.c @@ -74,7 +74,7 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid, } while(!pte_xchg(ptep, __pte(old_pte), __pte(new_pte))); /* Make sure this is a hugetlb entry */ - if (old_pte & (H_PAGE_THP_HUGE | _PAGE_DEVMAP)) + if (old_pte & H_PAGE_THP_HUGE) return 0; rflags = htab_convert_pte_flags(new_pte, flags); diff --git a/arch/powerpc/mm/book3s64/mmu_context.c b/arch/powerpc/mm/book3s64/mmu_context.c index 1715b07c630c..4e1e45420bd4 100644 --- a/arch/powerpc/mm/book3s64/mmu_context.c +++ b/arch/powerpc/mm/book3s64/mmu_context.c @@ -253,7 +253,7 @@ static void pmd_frag_destroy(void *pmd_frag) count = ((unsigned long)pmd_frag & ~PAGE_MASK) >> PMD_FRAG_SIZE_SHIFT; /* We allow PTE_FRAG_NR fragments from a PTE page */ if (atomic_sub_and_test(PMD_FRAG_NR - count, &ptdesc->pt_frag_refcount)) { - pagetable_pmd_dtor(ptdesc); + pagetable_dtor(ptdesc); pagetable_free(ptdesc); } } diff --git a/arch/powerpc/mm/book3s64/pgtable.c b/arch/powerpc/mm/book3s64/pgtable.c index 374542528080..c9431ae7f78a 100644 --- a/arch/powerpc/mm/book3s64/pgtable.c +++ b/arch/powerpc/mm/book3s64/pgtable.c @@ -10,7 +10,6 @@ #include <linux/pkeys.h> #include <linux/debugfs.h> #include <linux/proc_fs.h> -#include <misc/cxl-base.h> #include <asm/pgalloc.h> #include <asm/tlb.h> @@ -63,7 +62,7 @@ int pmdp_set_access_flags(struct vm_area_struct *vma, unsigned long address, { int changed; #ifdef CONFIG_DEBUG_VM - WARN_ON(!pmd_trans_huge(*pmdp) && !pmd_devmap(*pmdp)); + WARN_ON(!pmd_trans_huge(*pmdp)); assert_spin_locked(pmd_lockptr(vma->vm_mm, pmdp)); #endif changed = !pmd_same(*(pmdp), entry); @@ -83,7 +82,6 @@ int pudp_set_access_flags(struct vm_area_struct *vma, unsigned long address, { int changed; #ifdef CONFIG_DEBUG_VM - WARN_ON(!pud_devmap(*pudp)); assert_spin_locked(pud_lockptr(vma->vm_mm, pudp)); #endif changed = !pud_same(*(pudp), entry); @@ -205,8 +203,8 @@ pmd_t pmdp_huge_get_and_clear_full(struct vm_area_struct *vma, { pmd_t pmd; VM_BUG_ON(addr & ~HPAGE_PMD_MASK); - VM_BUG_ON((pmd_present(*pmdp) && !pmd_trans_huge(*pmdp) && - !pmd_devmap(*pmdp)) || !pmd_present(*pmdp)); + VM_BUG_ON((pmd_present(*pmdp) && !pmd_trans_huge(*pmdp)) || + !pmd_present(*pmdp)); pmd = pmdp_huge_get_and_clear(vma->vm_mm, addr, pmdp); /* * if it not a fullmm flush, then we can possibly end up converting @@ -224,8 +222,7 @@ pud_t pudp_huge_get_and_clear_full(struct vm_area_struct *vma, pud_t pud; VM_BUG_ON(addr & ~HPAGE_PMD_MASK); - VM_BUG_ON((pud_present(*pudp) && !pud_devmap(*pudp)) || - !pud_present(*pudp)); + VM_BUG_ON(!pud_present(*pudp)); pud = pudp_huge_get_and_clear(vma->vm_mm, addr, pudp); /* * if it not a fullmm flush, then we can possibly end up converting @@ -270,11 +267,6 @@ pud_t pfn_pud(unsigned long pfn, pgprot_t pgprot) return __pud_mkhuge(pud_set_protbits(__pud(pudv), pgprot)); } -pmd_t mk_pmd(struct page *page, pgprot_t pgprot) -{ - return pfn_pmd(page_to_pfn(page), pgprot); -} - pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot) { unsigned long pmdv; @@ -330,11 +322,7 @@ void __init mmu_partition_table_init(void) unsigned long ptcr; /* Initialize the Partition Table with no entries */ - partition_tb = memblock_alloc(patb_size, patb_size); - if (!partition_tb) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, patb_size, patb_size); - + partition_tb = memblock_alloc_or_panic(patb_size, patb_size); ptcr = __pa(partition_tb) | (PATB_SIZE_SHIFT - 12); set_ptcr_when_no_uv(ptcr); powernv_set_nmmu_ptcr(ptcr); @@ -427,7 +415,7 @@ static pmd_t *__alloc_for_pmdcache(struct mm_struct *mm) ptdesc = pagetable_alloc(gfp, 0); if (!ptdesc) return NULL; - if (!pagetable_pmd_ctor(ptdesc)) { + if (!pagetable_pmd_ctor(mm, ptdesc)) { pagetable_free(ptdesc); return NULL; } @@ -477,7 +465,7 @@ void pmd_fragment_free(unsigned long *pmd) BUG_ON(atomic_read(&ptdesc->pt_frag_refcount) <= 0); if (atomic_dec_and_test(&ptdesc->pt_frag_refcount)) { - pagetable_pmd_dtor(ptdesc); + pagetable_dtor(ptdesc); pagetable_free(ptdesc); } } @@ -591,7 +579,7 @@ int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl, /* * Does the CPU support tlbie? */ -bool tlbie_capable __read_mostly = true; +bool tlbie_capable __read_mostly = IS_ENABLED(CONFIG_PPC_RADIX_BROADCAST_TLBIE); EXPORT_SYMBOL(tlbie_capable); /* @@ -599,7 +587,7 @@ EXPORT_SYMBOL(tlbie_capable); * address spaces? tlbie may still be used for nMMU accelerators, and for KVM * guest address spaces. */ -bool tlbie_enabled __read_mostly = true; +bool tlbie_enabled __read_mostly = IS_ENABLED(CONFIG_PPC_RADIX_BROADCAST_TLBIE); static int __init setup_disable_tlbie(char *str) { @@ -654,7 +642,7 @@ unsigned long memremap_compat_align(void) EXPORT_SYMBOL_GPL(memremap_compat_align); #endif -pgprot_t vm_get_page_prot(unsigned long vm_flags) +pgprot_t vm_get_page_prot(vm_flags_t vm_flags) { unsigned long prot; diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c index 311e2112d782..be523e5fe9c5 100644 --- a/arch/powerpc/mm/book3s64/radix_pgtable.c +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c @@ -363,7 +363,7 @@ static int __meminit create_physical_mapping(unsigned long start, } #ifdef CONFIG_KFENCE -static inline phys_addr_t alloc_kfence_pool(void) +static __init phys_addr_t alloc_kfence_pool(void) { phys_addr_t kfence_pool; @@ -393,7 +393,7 @@ no_kfence: return 0; } -static inline void map_kfence_pool(phys_addr_t kfence_pool) +static __init void map_kfence_pool(phys_addr_t kfence_pool) { if (!kfence_pool) return; @@ -976,7 +976,7 @@ int __meminit radix__vmemmap_create_mapping(unsigned long start, return 0; } - +#ifdef CONFIG_ARCH_WANT_OPTIMIZE_DAX_VMEMMAP bool vmemmap_can_optimize(struct vmem_altmap *altmap, struct dev_pagemap *pgmap) { if (radix_enabled()) @@ -984,6 +984,7 @@ bool vmemmap_can_optimize(struct vmem_altmap *altmap, struct dev_pagemap *pgmap) return false; } +#endif int __meminit vmemmap_check_pmd(pmd_t *pmdp, int node, unsigned long addr, unsigned long next) @@ -1120,6 +1121,26 @@ int __meminit radix__vmemmap_populate(unsigned long start, unsigned long end, in pmd_t *pmd; pte_t *pte; + /* + * If altmap is present, Make sure we align the start vmemmap addr + * to PAGE_SIZE so that we calculate the correct start_pfn in + * altmap boundary check to decide whether we should use altmap or + * RAM based backing memory allocation. Also the address need to be + * aligned for set_pte operation. If the start addr is already + * PMD_SIZE aligned and with in the altmap boundary then we will + * try to use a pmd size altmap mapping else we go for page size + * mapping. + * + * If altmap is not present, align the vmemmap addr to PMD_SIZE and + * always allocate a PMD size page for vmemmap backing. + * + */ + + if (altmap) + start = ALIGN_DOWN(start, PAGE_SIZE); + else + start = ALIGN_DOWN(start, PMD_SIZE); + for (addr = start; addr < end; addr = next) { next = pmd_addr_end(addr, end); @@ -1146,7 +1167,7 @@ int __meminit radix__vmemmap_populate(unsigned long start, unsigned long end, in * we fallback to RAM for vmemmap allocation. */ if (altmap && (!IS_ALIGNED(addr, PMD_SIZE) || - altmap_cross_boundary(altmap, addr, PMD_SIZE))) { + altmap_cross_boundary(altmap, addr, PMD_SIZE))) { /* * make sure we don't create altmap mappings * covering things outside the device. @@ -1159,7 +1180,7 @@ int __meminit radix__vmemmap_populate(unsigned long start, unsigned long end, in vmemmap_set_pmd(pmd, p, node, addr, next); pr_debug("PMD_SIZE vmemmap mapping\n"); continue; - } else if (altmap) { + } else { /* * A vmemmap block allocation can fail due to * alignment requirements and we trying to align @@ -1412,7 +1433,7 @@ unsigned long radix__pmd_hugepage_update(struct mm_struct *mm, unsigned long add unsigned long old; #ifdef CONFIG_DEBUG_VM - WARN_ON(!radix__pmd_trans_huge(*pmdp) && !pmd_devmap(*pmdp)); + WARN_ON(!radix__pmd_trans_huge(*pmdp)); assert_spin_locked(pmd_lockptr(mm, pmdp)); #endif @@ -1429,7 +1450,7 @@ unsigned long radix__pud_hugepage_update(struct mm_struct *mm, unsigned long add unsigned long old; #ifdef CONFIG_DEBUG_VM - WARN_ON(!pud_devmap(*pudp)); + WARN_ON(!pud_trans_huge(*pudp)); assert_spin_locked(pud_lockptr(mm, pudp)); #endif @@ -1447,7 +1468,6 @@ pmd_t radix__pmdp_collapse_flush(struct vm_area_struct *vma, unsigned long addre VM_BUG_ON(address & ~HPAGE_PMD_MASK); VM_BUG_ON(radix__pmd_trans_huge(*pmdp)); - VM_BUG_ON(pmd_devmap(*pmdp)); /* * khugepaged calls this for normal pmd */ diff --git a/arch/powerpc/mm/book3s64/slice.c b/arch/powerpc/mm/book3s64/slice.c index bc9a39821d1c..28bec5bc7879 100644 --- a/arch/powerpc/mm/book3s64/slice.c +++ b/arch/powerpc/mm/book3s64/slice.c @@ -22,7 +22,7 @@ #include <linux/security.h> #include <asm/mman.h> #include <asm/mmu.h> -#include <asm/copro.h> +#include <asm/spu.h> #include <asm/hugetlb.h> #include <asm/mmu_context.h> @@ -248,7 +248,9 @@ static void slice_convert(struct mm_struct *mm, spin_unlock_irqrestore(&slice_convert_lock, flags); - copro_flush_all_slbs(mm); +#ifdef CONFIG_SPU_BASE + spu_flush_all_slbs(mm); +#endif } /* |