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Subject[PATCH] pvcalls-front: Replace GFP_KERNEL with GFP_ATOMIC in create_active
Date
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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