The requirement to disable local irqs over kmap_atomic is long gone,
so remove those calls.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
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
--
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