diff options
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/Kconfig | 1 | ||||
| -rw-r--r-- | arch/sparc/include/asm/cachetype.h | 14 | ||||
| -rw-r--r-- | arch/sparc/include/asm/pgtable_64.h | 10 | ||||
| -rw-r--r-- | arch/sparc/mm/init_64.c | 6 |
4 files changed, 24 insertions, 7 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 7e6bc6fff76b..02c8fd18810c 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -13,6 +13,7 @@ config 64BIT config SPARC bool default y + select ARCH_HAS_CPU_CACHE_ALIASING select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI select ARCH_MIGHT_HAVE_PC_SERIO select DMA_OPS diff --git a/arch/sparc/include/asm/cachetype.h b/arch/sparc/include/asm/cachetype.h new file mode 100644 index 000000000000..caf1c0045892 --- /dev/null +++ b/arch/sparc/include/asm/cachetype.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_SPARC_CACHETYPE_H +#define __ASM_SPARC_CACHETYPE_H + +#include <asm/page.h> + +#ifdef CONFIG_SPARC32 +extern int vac_cache_size; +#define cpu_dcache_is_aliasing() (vac_cache_size > PAGE_SIZE) +#else +#define cpu_dcache_is_aliasing() (L1DCACHE_SIZE > PAGE_SIZE) +#endif + +#endif diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index a8c871b7d786..4d1bafaba942 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -680,8 +680,8 @@ static inline unsigned long pte_special(pte_t pte) return pte_val(pte) & _PAGE_SPECIAL; } -#define pmd_leaf pmd_large -static inline unsigned long pmd_large(pmd_t pmd) +#define pmd_leaf pmd_leaf +static inline bool pmd_leaf(pmd_t pmd) { pte_t pte = __pte(pmd_val(pmd)); @@ -867,8 +867,8 @@ static inline pmd_t *pud_pgtable(pud_t pud) /* only used by the stubbed out hugetlb gup code, should never be called */ #define p4d_page(p4d) NULL -#define pud_leaf pud_large -static inline unsigned long pud_large(pud_t pud) +#define pud_leaf pud_leaf +static inline bool pud_leaf(pud_t pud) { pte_t pte = __pte(pud_val(pud)); @@ -929,6 +929,8 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr, maybe_tlb_batch_add(mm, addr, ptep, orig, fullmm, PAGE_SHIFT); } +#define PFN_PTE_SHIFT PAGE_SHIFT + static inline void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte, unsigned int nr) { diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index f83017992eaa..1ca9054d9b97 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -1665,14 +1665,14 @@ bool kern_addr_valid(unsigned long addr) if (pud_none(*pud)) return false; - if (pud_large(*pud)) + if (pud_leaf(*pud)) return pfn_valid(pud_pfn(*pud)); pmd = pmd_offset(pud, addr); if (pmd_none(*pmd)) return false; - if (pmd_large(*pmd)) + if (pmd_leaf(*pmd)) return pfn_valid(pmd_pfn(*pmd)); pte = pte_offset_kernel(pmd, addr); @@ -2968,7 +2968,7 @@ void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr, struct mm_struct *mm; pmd_t entry = *pmd; - if (!pmd_large(entry) || !pmd_young(entry)) + if (!pmd_leaf(entry) || !pmd_young(entry)) return; pte = pmd_val(entry); |