diff mbox series

[v2] xen/blkback: use kmap_local_page()

Message ID 20240314132843.24069-1-flyingpeng@tencent.com (mailing list archive)
State New, archived
Headers show
Series [v2] xen/blkback: use kmap_local_page() | expand

Commit Message

Hao Peng March 14, 2024, 1:28 p.m. UTC 
From: Peng Hao <flyingpeng@tencent.com>

Use kmap_local_page() instead of kmap_atomic() which has been
deprecated.

Signed-off-by: Peng Hao <flyingpeng@tencent.com>
---
 drivers/block/xen-blkback/blkback.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Comments

Roger Pau Monné March 14, 2024, 2:19 p.m. UTC | #1 
On Thu, Mar 14, 2024 at 09:28:43PM +0800, flyingpenghao@gmail.com wrote:
> From: Peng Hao <flyingpeng@tencent.com>
> 
> Use kmap_local_page() instead of kmap_atomic() which has been
> deprecated.
> 
> Signed-off-by: Peng Hao <flyingpeng@tencent.com>

Acked-by: Roger Pau Monné <roger.pau@citrix.com>

Thanks, Roger.
diff mbox series

Patch

diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index 4defd7f387c7..09503e269842 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -937,8 +937,8 @@  static int xen_blkbk_parse_indirect(struct blkif_request *req,
 		if ((n % SEGS_PER_INDIRECT_FRAME) == 0) {
 			/* Map indirect segments */
 			if (segments)
-				kunmap_atomic(segments);
-			segments = kmap_atomic(pages[n/SEGS_PER_INDIRECT_FRAME]->page);
+				kunmap_local(segments);
+			segments = kmap_local_page(pages[n/SEGS_PER_INDIRECT_FRAME]->page);
 		}
 		i = n % SEGS_PER_INDIRECT_FRAME;
 
@@ -958,7 +958,7 @@  static int xen_blkbk_parse_indirect(struct blkif_request *req,
 
 unmap:
 	if (segments)
-		kunmap_atomic(segments);
+		kunmap_local(segments);
 	xen_blkbk_unmap(ring, pages, indirect_grefs);
 	return rc;
 }