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Commit 03969d0b authored by Greentime Hu's avatar Greentime Hu
Browse files

nds32: Fix xfs_buf built failed by export invalidate_kernel_vmap_range and flush_kernel_vmap_range 



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: default avatarGreentime Hu <greentime@andestech.com>
Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
parent 8cedb78f

arch/nds32/include/asm/cacheflush.h

+2 −0
Original line number Diff line number Diff line
@@ -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)

arch/nds32/mm/cacheflush.c

+18 −0
Original line number Diff line number Diff line
@@ -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;