Messages in this thread Patch in this message | | | From | wangbo <> | Subject | [PATCH] pvcalls-front: Replace GFP_KERNEL with GFP_ATOMIC in create_active | Date | Mon, 14 Jan 2019 23:48:29 +0800 |
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Create_active may called inside spinlock,replace GFP_KERNEL with GFP_ATOMIC
Signed-off-by: wangbo <wang.bo116@zte.com.cn> --- drivers/xen/pvcalls-front.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c index 77224d8..31bd3c9 100644 --- a/drivers/xen/pvcalls-front.c +++ b/drivers/xen/pvcalls-front.c @@ -344,11 +344,11 @@ static int create_active(struct sock_mapping *map, int *evtchn) init_waitqueue_head(&map->active.inflight_conn_req); map->active.ring = (struct pvcalls_data_intf *) - __get_free_page(GFP_KERNEL | __GFP_ZERO); + __get_free_page(GFP_ATOMIC | __GFP_ZERO); if (map->active.ring == NULL) goto out_error; map->active.ring->ring_order = PVCALLS_RING_ORDER; - bytes = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, + bytes = (void *)__get_free_pages(GFP_ATOMIC | __GFP_ZERO, PVCALLS_RING_ORDER); if (bytes == NULL) goto out_error; -- 2.7.4
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