On Wed, Mar 06, 2024 at 01:15:48PM +0800, flyingpeng...@gmail.com wrote:
> From: Peng Hao <flyingp...@tencent.com>
>
> From: Peng Hao <flyingp...@tencent.com>
>
> Use kmap_local_page() instead of kmap_atomic() which has been
> deprecated.
>
> Signed-off-by: Peng Hao <flyingp...@tencent.com>
> ---
> drivers/block/xen-blkback/blkback.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/block/xen-blkback/blkback.c
> b/drivers/block/xen-blkback/blkback.c
> index 4defd7f387c7..cce534f43292 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);
Don't you need to also switch to kunmap_local() then instead of
kunmap_atomic()?
Thanks, Roger.
