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2018-07-27net: jme: Replace mdelay() with msleep() and usleep_range() in jme_wait_link()Jia-Ju Bai1-2/+2
jme_wait_link() is never called in atomic context. It calls mdelay() to busily wait, which is not necessary. mdelay() can be replaced with msleep() and usleep_range(). This is found by a static analysis tool named DCNS written by myself. Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-27net: hisilicon: hns: Replace mdelay() with msleep()Jia-Ju Bai2-4/+4
hns_ppe_common_init_hw() and hns_xgmac_init() are never called in atomic context. They call mdelay() to busily wait, which is not necessary. mdelay() can be replaced with msleep(). This is found by a static analysis tool named DCNS written by myself. Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-27net: amd: pcnet32: Replace GFP_ATOMIC with GFP_KERNEL in pcnet32_alloc_ring()Jia-Ju Bai1-4/+4
pcnet32_alloc_ring() is never called in atomic context. It calls kcalloc() with GFP_ATOMIC, which is not necessary. GFP_ATOMIC can be replaced with GFP_KERNEL. This is found by a static analysis tool named DCNS written by myself. Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-27sch_cake: Make gso-splitting configurable from userspaceDave Taht1-6/+7
This patch restores cake's deployed behavior at line rate to always split gso, and makes gso splitting configurable from userspace. running cake unlimited (unshaped) at 1gigE, local traffic: no-split-gso bql limit: 131966 split-gso bql limit: ~42392-45420 On this 4 stream test splitting gso apart results in halving the observed interpacket latency at no loss in throughput. Summary of tcp_nup test run 'gso-split' (at 2018-07-26 16:03:51.824728): Ping (ms) ICMP : 0.83 0.81 ms 341 TCP upload avg : 235.43 235.39 Mbits/s 301 TCP upload sum : 941.71 941.56 Mbits/s 301 TCP upload::1 : 235.45 235.43 Mbits/s 271 TCP upload::2 : 235.45 235.41 Mbits/s 289 TCP upload::3 : 235.40 235.40 Mbits/s 288 TCP upload::4 : 235.41 235.40 Mbits/s 291 verses Summary of tcp_nup test run 'no-split-gso' (at 2018-07-26 16:37:23.563960): avg median # data pts Ping (ms) ICMP : 1.67 1.73 ms 348 TCP upload avg : 234.56 235.37 Mbits/s 301 TCP upload sum : 938.24 941.49 Mbits/s 301 TCP upload::1 : 234.55 235.38 Mbits/s 285 TCP upload::2 : 234.57 235.37 Mbits/s 286 TCP upload::3 : 234.58 235.37 Mbits/s 274 TCP upload::4 : 234.54 235.42 Mbits/s 288 Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-27cxgb4: print ULD queue information managed by LLDRahul Lakkireddy1-19/+277
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-27l2tp: drop ->mru from struct l2tp_sessionGuillaume Nault6-51/+9
This field is not used. Treat PPPIOC*MRU the same way as PPPIOC*FLAGS: "get" requests return 0, while "set" requests vadidate the user supplied pointer but discard its value. Signed-off-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-27l2tp: drop ->flags from struct pppol2tp_sessionGuillaume Nault1-11/+2
This field is not used. Keep validating user input in PPPIOCSFLAGS. Even though we discard the value, it would look wrong to succeed if an invalid address was passed from userspace. Signed-off-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-27l2tp: ignore L2TP_ATTR_VLAN_ID netlink attributeGuillaume Nault3-6/+2
The value of this attribute is never used. Signed-off-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-27l2tp: ignore L2TP_ATTR_DATA_SEQ netlink attributeGuillaume Nault4-20/+5
The value of this attribute is never used. Signed-off-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-27net/rds/Kconfig: Correct the RDS dependsAnders Roxell1-1/+1
Remove prefix 'CONFIG_' from CONFIG_IPV6 Fixes: ba7d7e2677c0 ("net/rds/Kconfig: RDS should depend on IPV6") Reported-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>