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H A Diova_domain.cdiff 82eb46f94ae5faa87ace248d950292c87384a097 Wed Aug 03 06:55:20 CEST 2022 Xie Yongji <xieyongji@bytedance.com> vduse: Use memcpy_{to,from}_page() in do_bounce()

kmap_atomic() is being deprecated in favor of kmap_local_page().

The use of kmap_atomic() in do_bounce() is all thread local therefore
kmap_local_page() is a sufficient replacement.

Convert to kmap_local_page() but, instead of open coding it,
use the helpers memcpy_to_page() and memcpy_from_page().

Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Message-Id: <20220803045523.23851-3-xieyongji@bytedance.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>