linux/drivers/infiniband/ulp
Vishwanathapura, Niranjana 0568c4640e IB/opa_vnic: Use GFP_ATOMIC while sending trap
Pass GFP_ATOMIC flag to ib_create_send_mad() while sending trap as it
can be triggered from the atomic context.

Fix the following trace with debug kernel.

BUG: sleeping function called from invalid context at mm/slab.h:432
in_atomic(): 1, irqs_disabled(): 0, pid: 1771, name: NetworkManager
Call Trace:
 dump_stack+0x63/0x90
 ___might_sleep+0xda/0x130
 __might_sleep+0x4a/0x90
 __kmalloc+0x19e/0x220
 ? ib_create_send_mad+0xea/0x390 [ib_core]
 ib_create_send_mad+0xea/0x390 [ib_core]
 opa_vnic_vema_send_trap+0x17b/0x460 [opa_vnic]
 opa_vnic_vema_report_event+0x57/0x80 [opa_vnic]
 opa_vnic_mac_send_event+0xaa/0xf0 [opa_vnic]
 opa_vnic_set_rx_mode+0x17/0x30 [opa_vnic]
 __dev_set_rx_mode+0x52/0x90
 dev_set_rx_mode+0x26/0x40
 __dev_open+0xe8/0x140

Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-06-29 12:43:52 -04:00
..
ipoib IB/ipoib: Fix memory leak in create child syscall 2017-06-14 15:16:23 -04:00
iser IB/iser: fix spelling mistake: "unexepected" -> "unexpected" 2017-04-25 14:06:49 -04:00
isert iser-target: avoid posting a recv buffer twice 2017-03-30 20:35:50 -07:00
opa_vnic IB/opa_vnic: Use GFP_ATOMIC while sending trap 2017-06-29 12:43:52 -04:00
srp RDMA/SA: Fix kernel panic in CMA request handler flow 2017-06-01 17:20:14 -04:00
srpt Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2017-05-12 11:44:13 -07:00
Makefile IB/opa-vnic: Virtual Network Interface Controller (VNIC) netdev 2017-04-20 12:01:38 -04:00