Julian Wiedmann dc5367bcc5 net/af_iucv: don't use paged skbs for TX on HiperSockets ... With commit e53743994e ("af_iucv: use paged SKBs for big outbound messages"), we transmit paged skbs for both of AF_IUCV's transport modes (IUCV or HiperSockets). The qeth driver for Layer 3 HiperSockets currently doesn't support NETIF_F_SG, so these skbs would just be linearized again by the stack. Avoid that overhead by using paged skbs only for IUCV transport. cc stable, since this also circumvents a significant skb leak when sending large messages (where the skb then needs to be linearized). Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Cc: <stable@vger.kernel.org> # v4.8+ Fixes: e53743994e ("af_iucv: use paged SKBs for big outbound messages") Signed-off-by: David S. Miller <davem@davemloft.net>		2017-01-10 21:08:29 -05:00
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af_iucv.c	net/af_iucv: don't use paged skbs for TX on HiperSockets	2017-01-10 21:08:29 -05:00
iucv.c	net/iucv: Use explicit clean up labels in iucv_init()	2016-11-28 17:29:04 +01:00