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

[Christoph Hellwig <hch@lst.de>]

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

Signed-off-by: Christoph Hellwig <hch@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