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| author | Tony Lindgren <tony@atomide.com> | 2021-01-15 12:48:43 +0200 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2021-01-15 12:48:43 +0200 |
| commit | 715a1284d89a740b197b3bad5eb20d36a397382f (patch) | |
| tree | 07ad2960ab66e56b3d1e151036262019a18e3df1 /arch/arm/include/asm/highmem.h | |
| parent | 181739822cf6f8f4e12b173913af2967a28906c0 (diff) | |
| parent | 06862d789ddde8a99c1e579e934ca17c15a84755 (diff) | |
| download | linux-715a1284d89a740b197b3bad5eb20d36a397382f.tar.gz linux-715a1284d89a740b197b3bad5eb20d36a397382f.tar.bz2 linux-715a1284d89a740b197b3bad5eb20d36a397382f.zip | |
Merge branch 'cpuidle-fix' into fixes
Diffstat (limited to 'arch/arm/include/asm/highmem.h')
| -rw-r--r-- | arch/arm/include/asm/highmem.h | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/arch/arm/include/asm/highmem.h b/arch/arm/include/asm/highmem.h index 31811be38d78..b4b66220952d 100644 --- a/arch/arm/include/asm/highmem.h +++ b/arch/arm/include/asm/highmem.h @@ -2,7 +2,8 @@ #ifndef _ASM_HIGHMEM_H #define _ASM_HIGHMEM_H -#include <asm/kmap_types.h> +#include <asm/cachetype.h> +#include <asm/fixmap.h> #define PKMAP_BASE (PAGE_OFFSET - PMD_SIZE) #define LAST_PKMAP PTRS_PER_PTE @@ -46,19 +47,32 @@ extern pte_t *pkmap_page_table; #ifdef ARCH_NEEDS_KMAP_HIGH_GET extern void *kmap_high_get(struct page *page); -#else + +static inline void *arch_kmap_local_high_get(struct page *page) +{ + if (IS_ENABLED(CONFIG_DEBUG_HIGHMEM) && !cache_is_vivt()) + return NULL; + return kmap_high_get(page); +} +#define arch_kmap_local_high_get arch_kmap_local_high_get + +#else /* ARCH_NEEDS_KMAP_HIGH_GET */ static inline void *kmap_high_get(struct page *page) { return NULL; } -#endif +#endif /* !ARCH_NEEDS_KMAP_HIGH_GET */ -/* - * The following functions are already defined by <linux/highmem.h> - * when CONFIG_HIGHMEM is not set. - */ -#ifdef CONFIG_HIGHMEM -extern void *kmap_atomic_pfn(unsigned long pfn); -#endif +#define arch_kmap_local_post_map(vaddr, pteval) \ + local_flush_tlb_kernel_page(vaddr) + +#define arch_kmap_local_pre_unmap(vaddr) \ +do { \ + if (cache_is_vivt()) \ + __cpuc_flush_dcache_area((void *)vaddr, PAGE_SIZE); \ +} while (0) + +#define arch_kmap_local_post_unmap(vaddr) \ + local_flush_tlb_kernel_page(vaddr) #endif |