Message	SHA1
pfifo_fast: drop unneeded additional lock on dequeue ... After the previous patch, for NOLOCK qdiscs, q->seqlock is always held when the dequeue() is invoked, we can drop any additional locking to protect such operation. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> Paolo Abeni   authored and   David S. Miller   commited 2018-05-17 12:46:54 -04:00	021a17ed79
skb_array: use __ptr_ring_empty ... __skb_array_empty should use __ptr_ring_empty since that's the only legal lockless function. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> Michael S. Tsirkin   authored and   David S. Miller   commited 2018-01-29 12:02:54 -05:00	f417dc2818
net: skb_array: expose peek API ... This adds a peek routine to skb_array.h for use with qdisc. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> John Fastabend   authored and   David S. Miller   commited 2017-12-08 13:32:26 -05:00	4a86a4cf68
ptr_ring: use kmalloc_array() ... As found by syzkaller, malicious users can set whatever tx_queue_len on a tun device and eventually crash the kernel. Lets remove the ALIGN(XXX, SMP_CACHE_BYTES) thing since a small ring buffer is not fast anyway. Fixes: 2e0ab8ca83 ("ptr_ring: array based FIFO for pointers") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Dmitry Vyukov <dvyukov@google.com> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> Eric Dumazet   authored and   David S. Miller   commited 2017-08-16 16:28:47 -07:00	81fbfe8ada
skb_array: introduce batch dequeuing ... Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> Jason Wang   authored and   David S. Miller   commited 2017-05-18 10:07:40 -04:00	3528c1a52e
skb_array: introduce skb_array_unconsume ... Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> Jason Wang   authored and   David S. Miller   commited 2017-05-18 10:07:39 -04:00	3acb696015
skb_array: add wrappers for resizing ... Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> Jason Wang   authored and   David S. Miller   commited 2016-07-01 05:32:17 -04:00	bf900b3dbe
skb_array: minor tweak ... Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> Jason Wang   authored and   David S. Miller   commited 2016-07-01 05:32:16 -04:00	fd68adec9d
skb_array: resize support ... Update skb_array after ptr_ring API changes. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Tested-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> Michael S. Tsirkin   authored and   David S. Miller   commited 2016-06-15 13:58:27 -07:00	7d7072e3ba
skb_array: array based FIFO for skbs ... A simple array based FIFO of pointers. Intended for net stack so uses skbs for type safety. Implemented as a set of wrappers around ptr_ring. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Tested-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> Michael S. Tsirkin   authored and   David S. Miller   commited 2016-06-15 13:58:27 -07:00	ad69f35d1d