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authorGreentime Hu <greentime@andestech.com>2018-04-19 15:38:58 +0800
committerGreentime Hu <greentime@andestech.com>2018-05-23 13:26:20 +0800
commit03969d0b3a3f6a7cd2c731eed1c4ccf76da88586 (patch)
tree71ad536a95ccab656a5ad57ee040bfecc9c0f368 /arch/nds32/mm
parent8cedb78fdf82468020a2f3b24ef63ccd397662a2 (diff)
downloadlinux-03969d0b3a3f6a7cd2c731eed1c4ccf76da88586.tar.bz2
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: Greentime Hu <greentime@andestech.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/nds32/mm')
-rw-r--r--arch/nds32/mm/cacheflush.c18
1 files changed, 18 insertions, 0 deletions
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;