diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-08-02 16:13:57 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-24 16:20:24 -0700 |
| commit | 4fbb7e7f47dbc631a9f5bad3171ccbca171ed1d3 (patch) | |
| tree | 373633dd9d56f1d08680cee996fd2d1ebbfd5ca5 /arch/xtensa/include/asm/cacheflush.h | |
| parent | a3e1c9372c9b95945aa58f318990cf3e4bf2881d (diff) | |
xtensa: implement the new page table range API
Add PFN_PTE_SHIFT, update_mmu_cache_range(), flush_dcache_folio() and
flush_icache_pages().
Link: https://lkml.kernel.org/r/20230802151406.3735276-30-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/xtensa/include/asm/cacheflush.h')
| -rw-r--r-- | arch/xtensa/include/asm/cacheflush.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/xtensa/include/asm/cacheflush.h b/arch/xtensa/include/asm/cacheflush.h index 7b4359312c25..35153f6725e4 100644 --- a/arch/xtensa/include/asm/cacheflush.h +++ b/arch/xtensa/include/asm/cacheflush.h @@ -119,8 +119,14 @@ void flush_cache_page(struct vm_area_struct*, #define flush_cache_vmap(start,end) flush_cache_all() #define flush_cache_vunmap(start,end) flush_cache_all() +void flush_dcache_folio(struct folio *folio); +#define flush_dcache_folio flush_dcache_folio + #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 -void flush_dcache_page(struct page *); +static inline void flush_dcache_page(struct page *page) +{ + flush_dcache_folio(page_folio(page)); +} void local_flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); @@ -156,6 +162,7 @@ void local_flush_cache_page(struct vm_area_struct *vma, /* This is not required, see Documentation/core-api/cachetlb.rst */ #define flush_icache_page(vma,page) do { } while (0) +#define flush_icache_pages(vma, page, nr) do { } while (0) #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) |