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deaa5c96c2
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Chuck Lever deaa5c96c2 SUNRPC: Address Kerberos performance/behavior regression 
When using Kerberos with v4.20, I've observed frequent connection
loss on heavy workloads. I traced it down to the client underrunning
the GSS sequence number window -- NFS servers are required to drop
the RPC with the low sequence number, and also drop the connection
to signal that an RPC was dropped.

Bisected to commit 918f3c1fe8 ("SUNRPC: Improve latency for
interactive tasks").

I've got a one-line workaround for this issue, which is easy to
backport to v4.20 while a more permanent solution is being derived.
Essentially, tk_owner-based sorting is disabled for RPCs that carry
a GSS sequence number.

Fixes: 918f3c1fe8 ("SUNRPC: Improve latency for interactive ... ")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2019-01-15 15:36:41 -05:00
..
6lowpan 6lowpan: convert to DEFINE_SHOW_ATTRIBUTE 2018-12-19 00:28:05 +01:00
9p 9p/net: put a lower bound on msize 2018-12-25 17:07:49 +09:00
802
8021q net: core: dev: Add extack argument to dev_change_flags() 2018-12-06 13:26:07 -08:00
appletalk
atm Revert "net: simplify sock_poll_wait" 2018-10-23 10:57:06 -07:00
ax25 ax25: fix a use-after-free in ax25_fillin_cb() 2018-12-30 14:07:54 -08:00
batman-adv Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
bluetooth Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2018-12-27 13:53:32 -08:00
bpf Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-12-10 18:00:43 -08:00
bpfilter net: bpfilter: Set user mode helper's command line 2018-10-22 19:37:36 -07:00
bridge net: convert bridge_nf to use skb extension infrastructure 2018-12-19 11:21:37 -08:00
caif Revert "net: simplify sock_poll_wait" 2018-10-23 10:57:06 -07:00
can net: Revert recent Spectre-v1 patches. 2018-12-23 16:01:35 -08:00
ceph libceph: switch more to bool in ceph_tcp_sendmsg() 2018-12-26 15:56:04 +01:00
core jump_label: move 'asm goto' support test to Kconfig 2019-01-06 09:46:51 +09:00
dcb
dccp mm: convert totalram_pages and totalhigh_pages variables to atomic 2018-12-28 12:11:47 -08:00
decnet mm: convert totalram_pages and totalhigh_pages variables to atomic 2018-12-28 12:11:47 -08:00
dns_resolver dns: Allow the dns resolver to retrieve a server set 2018-10-04 09:40:52 -07:00
dsa net: dsa: ksz: Add STP multicast handling 2018-12-16 14:23:33 -08:00
ethernet net: ethernet: provide nvmem_get_mac_address() 2018-12-03 15:40:30 -08:00
hsr
ieee802154 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-24 16:19:56 -08:00
ife
ipv4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-01-03 12:53:47 -08:00
ipv6 ipv6: Consider sk_bound_dev_if when binding a socket to an address 2019-01-02 20:16:37 -08:00
iucv iucv: Remove SKB list assumptions. 2018-11-10 16:55:11 -08:00
kcm
key af_key: fix indentation on declaration statement 2018-11-15 18:09:32 +01:00
l2tp ppp: Move PFC decompression to PPP generic layer 2018-12-20 16:49:30 -08:00
l3mdev l3mdev: add function to retreive upper master 2018-12-03 14:15:26 -08:00
lapb
llc llc: do not use sk_eat_skb() 2018-10-22 19:59:20 -07:00
mac80211 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2018-12-27 13:53:32 -08:00
mac802154 mac802154: Remove VLA usage of skcipher 2018-09-28 12:46:07 +08:00
mpls net/mpls: Handle kernel side filtering of route dumps 2018-10-16 00:14:07 -07:00
ncsi net/ncsi: Add NCSI Mellanox OEM command 2018-11-27 16:37:20 -08:00
netfilter jump_label: move 'asm goto' support test to Kconfig 2019-01-06 09:46:51 +09:00
netlabel
netlink net: netlink: rename NETLINK_DUMP_STRICT_CHK -> NETLINK_GET_STRICT_CHK 2018-12-14 11:44:31 -08:00
netrom netrom: fix locking in nr_find_socket() 2018-12-30 20:24:16 -08:00
nfc net: Revert recent Spectre-v1 patches. 2018-12-23 16:01:35 -08:00
nsh
openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-09 21:43:31 -08:00
packet packet: validate address length if non-zero 2018-12-22 15:12:04 -08:00
phonet net: Revert recent Spectre-v1 patches. 2018-12-23 16:01:35 -08:00
psample
qrtr
rds Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-01-03 12:53:47 -08:00
rfkill rfkill: gpio: Remove unused include 2018-12-18 13:13:56 +01:00
rose
rxrpc rxrpc: Fix life check 2018-11-15 11:35:40 -08:00
sched Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2018-12-27 13:04:52 -08:00
sctp mm: convert totalram_pages and totalhigh_pages variables to atomic 2018-12-28 12:11:47 -08:00
smc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-20 11:53:36 -08:00
strparser bpf, sockmap: convert to generic sk_msg interface 2018-10-15 12:23:19 -07:00
sunrpc SUNRPC: Address Kerberos performance/behavior regression 2019-01-15 15:36:41 -05:00
switchdev net: switchdev: Add extack to switchdev_handle_port_obj_add() callback 2018-12-12 16:34:22 -08:00
tipc tipc: fix a missing check of genlmsg_put 2018-12-27 16:26:09 -08:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-21 15:06:20 -08:00
unix Revert "net: simplify sock_poll_wait" 2018-10-23 10:57:06 -07:00
vmw_vsock VSOCK: Send reset control packet when socket is partially bound 2018-12-18 11:53:42 -08:00
wimax
wireless Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2018-12-27 13:53:32 -08:00
x25 net/x25: handle call collisions 2018-11-29 14:25:36 -08:00
xdp xsk: simplify AF_XDP socket teardown 2018-12-19 21:45:17 +01:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-20 11:53:36 -08:00
compat.c Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
Kconfig net: convert bridge_nf to use skb extension infrastructure 2018-12-19 11:21:37 -08:00
Makefile
socket.c y2038: more syscalls and cleanups 2018-12-28 12:45:04 -08:00
sysctl_net.c