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Magnus Karlsson ffbd663eba Revert "xsk: Do not sleep in poll() when need_wakeup set" 
commit 0706a78f31c4217ca144f630063ec9561a21548d upstream.

This reverts commit bd0687c18e635b63233dc87f38058cd728802ab4.

This patch causes a Tx only workload to go to sleep even when it does
not have to, leading to misserable performance in skb mode. It fixed
one rare problem but created a much worse one, so this need to be
reverted while I try to craft a proper solution to the original
problem.

Fixes: bd0687c18e63 ("xsk: Do not sleep in poll() when need_wakeup set")
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20211217145646.26449-1-magnus.karlsson@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-22 09:32:51 +01:00
..
6lowpan
6lowpan: iphc: Fix an off-by-one check of array index
2021-07-22 16:19:03 +02:00
9p
9p/net: fix missing error check in p9_check_errors
2021-11-18 19:17:16 +01:00
802
net: 802: remove dead leftover after ipx driver removal
2021-08-13 16:30:35 -07:00
8021q
net: vlan: fix underflow for the real_dev refcnt
2021-12-01 09:04:53 +01:00
appletalk
net: socket: rework compat_ifreq_ioctl()
2021-07-23 14:20:25 +01:00
atm
atm: Use list_for_each_entry() to simplify code in resources.c
2021-06-10 14:08:09 -07:00
ax25
ax25: use skb_expand_head
2021-08-03 11:21:39 +01:00
batman-adv
net: batman-adv: fix error handling
2021-10-26 14:47:12 +01:00
bluetooth
Bluetooth: fix init and cleanup of sco_conn.timeout_work
2021-11-18 19:16:22 +01:00
bpf
bpf, test, cgroup: Use sk_{alloc,free} for test cases
2021-09-28 09:29:28 +02:00
bpfilter
bpfilter: Specify the log level for the kmsg message
2021-06-25 13:13:50 +02:00
bridge
net: bridge: fix uninitialized variables when BRIDGE_CFM is disabled
2021-11-18 19:16:44 +01:00
caif
net-caif: avoid user-triggerable WARN_ON(1)
2021-09-14 12:51:15 +01:00
can
can: j1939: j1939_tp_cmd_recv(): check the dst address of TP.CM_BAM
2021-11-18 19:16:03 +01:00
ceph
Networking changes for 5.14.
2021-06-30 15:51:09 -07:00
core
net: Fix double 0x prefix print in SKB dump
2021-12-22 09:32:44 +01:00
dcb
net: dcb: Return the correct errno code
2021-06-01 17:01:33 -07:00
dccp
tcp: switch orphan_count to bare per-cpu counters
2021-11-18 19:16:33 +01:00
decnet
net: Remove redundant if statements
2021-08-05 13:27:50 +01:00
dns_resolver
…
dsa
net: dsa: felix: fix broken VLAN-tagged PTP under VLAN-aware bridge
2021-11-18 19:17:06 +01:00
ethernet
move netdev_boot_setup into Space.c
2021-08-03 13:05:26 +01:00
ethtool
ethtool: do not perform operations on net devices being unregistered
2021-12-14 10:57:09 +01:00
hsr
net: hsr: don't check sequence number if tag removal is offloaded
2021-06-16 12:13:01 -07:00
ieee802154
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-08-13 06:41:22 -07:00
ife
…
ipv4
inet_diag: fix kernel-infoleak for UDP sockets
2021-12-22 09:32:40 +01:00
ipv6
sit: do not call ipip6_dev_free() from sit_init_net()
2021-12-22 09:32:44 +01:00
iucv
net/iucv: Replace deprecated CPU-hotplug functions.
2021-08-09 10:13:32 +01:00
kcm
net: sock: introduce sk_error_report
2021-06-29 11:28:21 -07:00
key
net: Remove unnecessary variables
2021-05-26 07:03:39 +02:00
l2tp
net/l2tp: Fix reference count leak in l2tp_udp_recv_core
2021-09-09 11:00:20 +01:00
l3mdev
…
lapb
net: lapb: Use list_for_each_entry() to simplify code in lapb_iface.c
2021-06-08 16:31:25 -07:00
llc
net: Remove redundant if statements
2021-08-05 13:27:50 +01:00
mac80211
mac80211: fix lookup when adding AddBA extension element
2021-12-22 09:32:42 +01:00
mac802154
ieee802154: Remove redundant initialization of variable ret
2021-09-07 14:06:08 +01:00
mctp
mctp: Don't let RTM_DELROUTE delete local routes
2021-12-08 09:04:53 +01:00
mpls
net: mpls: Fix notifications when deleting a device
2021-12-08 09:04:47 +01:00
mptcp
mptcp: fix deadlock in __mptcp_push_pending()
2021-12-22 09:32:43 +01:00
ncsi
net/ncsi : Add payload to be 32-bit aligned to fix dropped packets
2021-12-01 09:04:51 +01:00
netfilter
netfilter: conntrack: annotate data-races around ct->timeout
2021-12-14 10:57:10 +01:00
netlabel
net: fix NULL pointer reference in cipso_v4_doi_free
2021-08-30 12:23:18 +01:00
netlink
net: netlink: af_netlink: Prevent empty skb by adding a check on len.
2021-12-17 10:30:15 +01:00
netrom
net: Remove redundant if statements
2021-08-05 13:27:50 +01:00
nfc
nfc: fix segfault in nfc_genl_dump_devices_done
2021-12-17 10:30:12 +01:00
nsh
…
openvswitch
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-08-19 18:09:18 -07:00
packet
net/packet: rx_owner_map depends on pg_vec
2021-12-22 09:32:44 +01:00
phonet
net: Remove redundant if statements
2021-08-05 13:27:50 +01:00
psample
…
qrtr
net: qrtr: revert check in qrtr_endpoint_post()
2021-09-02 11:37:02 +01:00
rds
rds: memory leak in __rds_conn_create()
2021-12-22 09:32:42 +01:00
rfkill
…
rose
…
rxrpc
rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer()
2021-12-08 09:04:49 +01:00
sched
flow_offload: return EOPNOTSUPP for the unsupported mpls action type
2021-12-22 09:32:42 +01:00
sctp
sctp: return true only for pathmtu update in sctp_transport_pl_toobig
2021-11-18 19:16:43 +01:00
smc
net/smc: Prevent smc_release() from long blocking
2021-12-22 09:32:44 +01:00
strparser
bpf: sockmap, strparser, and tls are reusing qdisc_skb_cb and colliding
2021-11-18 19:17:11 +01:00
sunrpc
SUNRPC: Partial revert of commit 6f9f17287e78
2021-11-18 19:17:20 +01:00
switchdev
net: make switchdev_bridge_port_{,unoffload} loosely coupled with the bridge
2021-08-04 12:35:07 +01:00
tipc
tipc: check for null after calling kmemdup
2021-11-25 09:48:42 +01:00
tls
net/tls: Fix authentication failure in CCM mode
2021-12-08 09:04:41 +01:00
unix
af_unix: fix regression in read after shutdown
2021-12-01 09:04:49 +01:00
vmw_vsock
virtio/vsock: fix the transport to work with VMADDR_CID_ANY
2021-12-22 09:32:39 +01:00
wireless
cfg80211: Acquire wiphy mutex on regulatory work
2021-12-22 09:32:42 +01:00
x25
net: x25: Use list_for_each_entry() to simplify code in x25_route.c
2021-06-10 14:08:09 -07:00
xdp
Revert "xsk: Do not sleep in poll() when need_wakeup set"
2021-12-22 09:32:51 +01:00
xfrm
xfrm: fix rcu lock in xfrm_notify_userpolicy()
2021-09-23 10:11:12 +02:00
compat.c
net: Return the correct errno code
2021-06-03 15:13:56 -07:00
devres.c
net: devres: Correct a grammatical error
2021-06-11 12:55:28 -07:00
Kconfig
mctp: Add MCTP base
2021-07-29 15:06:49 +01:00
Makefile
mctp: Add MCTP base
2021-07-29 15:06:49 +01:00
socket.c
Core:
2021-08-31 16:43:06 -07:00
sysctl_net.c
…