[PATCH 10/20] powerpc/dma-noncoherent: don't disable irqs over kmap_atomic

[Christoph Hellwig]

The requirement to disable local irqs over kmap_atomic is long gone,
so remove those calls.

Signed-off-by: Christoph Hellwig <h...@lst.de>
---
 arch/powerpc/mm/dma-noncoherent.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/arch/powerpc/mm/dma-noncoherent.c 
b/arch/powerpc/mm/dma-noncoherent.c
index 382528475433..d1c16456abac 100644
--- a/arch/powerpc/mm/dma-noncoherent.c
+++ b/arch/powerpc/mm/dma-noncoherent.c
@@ -357,12 +357,10 @@ static inline void __dma_sync_page_highmem(struct page 
*page,
 {
        size_t seg_size = min((size_t)(PAGE_SIZE - offset), size);
        size_t cur_size = seg_size;
-       unsigned long flags, start, seg_offset = offset;
+       unsigned long start, seg_offset = offset;
        int nr_segs = 1 + ((size - seg_size) + PAGE_SIZE - 1)/PAGE_SIZE;
        int seg_nr = 0;
 
-       local_irq_save(flags);
-
        do {
                start = (unsigned long)kmap_atomic(page + seg_nr) + seg_offset;
 
@@ -378,8 +376,6 @@ static inline void __dma_sync_page_highmem(struct page 
*page,
                cur_size += seg_size;
                seg_offset = 0;
        } while (seg_nr < nr_segs);
-
-       local_irq_restore(flags);
 }
 #endif /* CONFIG_HIGHMEM */
 
-- 
2.18.0