It broke the 'allmodconfig' build. fs/xfs/xfs_buf.c: In function 'xfs_buf_bio_end_io': fs/xfs/xfs_buf.c:1242:3: error: implicit declaration of function 'invalidate_kernel_vmap_range' [-Werror=implicit-function-declaration] invalidate_kernel_vmap_range(bp->b_addr, xfs_buf_vmap_len(bp)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/xfs/xfs_buf.c: In function 'xfs_buf_ioapply_map': fs/xfs/xfs_buf.c:1312:4: error: implicit declaration of function 'flush_kernel_vmap_range' [-Werror=implicit-function-declaration] flush_kernel_vmap_range(bp->b_addr, ^~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Greentime Hu <greent...@andestech.com> Acked-by: Arnd Bergmann <a...@arndb.de> --- arch/nds32/include/asm/cacheflush.h | 2 ++ arch/nds32/mm/cacheflush.c | 18 ++++++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/arch/nds32/include/asm/cacheflush.h b/arch/nds32/include/asm/cacheflush.h index 1240f148ec0f..10b48f0d8e85 100644 --- a/arch/nds32/include/asm/cacheflush.h +++ b/arch/nds32/include/asm/cacheflush.h @@ -32,6 +32,8 @@ void flush_anon_page(struct vm_area_struct *vma, #define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE void flush_kernel_dcache_page(struct page *page); +void flush_kernel_vmap_range(void *addr, int size); +void invalidate_kernel_vmap_range(void *addr, int size); void flush_icache_range(unsigned long start, unsigned long end); void flush_icache_page(struct vm_area_struct *vma, struct page *page); #define flush_dcache_mmap_lock(mapping) xa_lock_irq(&(mapping)->i_pages) diff --git a/arch/nds32/mm/cacheflush.c b/arch/nds32/mm/cacheflush.c index 6eb786a399a2..bd52918d5923 100644 --- a/arch/nds32/mm/cacheflush.c +++ b/arch/nds32/mm/cacheflush.c @@ -273,6 +273,24 @@ void flush_kernel_dcache_page(struct page *page) local_irq_restore(flags); } +void flush_kernel_vmap_range(void *addr, int size) +{ + unsigned long flags; + local_irq_save(flags); + cpu_dcache_wb_range((unsigned long)addr, (unsigned long)addr + size); + local_irq_restore(flags); +} +EXPORT_SYMBOL(flush_kernel_vmap_range); + +void invalidate_kernel_vmap_range(void *addr, int size) +{ + unsigned long flags; + local_irq_save(flags); + cpu_dcache_inval_range((unsigned long)addr, (unsigned long)addr + size); + local_irq_restore(flags); +} +EXPORT_SYMBOL(invalidate_kernel_vmap_range); + void flush_icache_range(unsigned long start, unsigned long end) { unsigned long line_size, flags; -- 1.9.5