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sparc: Use GFP_ATOMIC in ldc_alloc_exp_dring() as it can be called in softirq context
authorSowmini Varadhan <sowmini.varadhan@oracle.com>
Tue, 21 Apr 2015 14:30:41 +0000 (10:30 -0400)
committerDavid S. Miller <davem@davemloft.net>
Tue, 21 Apr 2015 20:17:06 +0000 (13:17 -0700)
commit0edfad5959df7379c9e554fbe8ba264ae232d321
treebc1638f073f782b9855e7d11421a42583adfe171tree | snapshot
parentdf386375ffa8c2262a52db64a5b6446e11896978commit | diff
sparc: Use GFP_ATOMIC in ldc_alloc_exp_dring() as it can be called in softirq context

Since it is possible for vnet_event_napi to end up doing
vnet_control_pkt_engine -> ... -> vnet_send_attr ->
vnet_port_alloc_tx_ring -> ldc_alloc_exp_dring -> kzalloc()
(i.e., in softirq context), kzalloc() should be called with
GFP_ATOMIC from ldc_alloc_exp_dring.

Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
arch/sparc/kernel/ldc.c diff | blob | history
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