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Arseniy Krasnov 0fe1798968 virtio/vsock: send credit update during setting SO_RCVLOWAT 
Send credit update message when SO_RCVLOWAT is updated and it is bigger
than number of bytes in rx queue. It is needed, because 'poll()' will
wait until number of bytes in rx queue will be not smaller than
O_RCVLOWAT, so kick sender to send more data. Otherwise mutual hungup
for tx/rx is possible: sender waits for free space and receiver is
waiting data in 'poll()'.

Rename 'set_rcvlowat' callback to 'notify_set_rcvlowat' and set
'sk->sk_rcvlowat' only in one place (i.e. 'vsock_set_rcvlowat'), so the
transport doesn't need to do it.

Fixes: b89d882dc9 ("vsock/virtio: reduce credit update messages")
Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-12-15 10:37:35 +00:00
..
6lowpan
9p 9p/net: fix possible memory leak in p9_check_errors() 2023-10-27 12:44:13 +09:00
802 net: fill in MODULE_DESCRIPTION()s under net/802* 2023-10-28 11:29:28 +01:00
8021q net: ethtool: Refactor identical get_ts_info implementations. 2023-11-18 14:52:57 +00:00
appletalk appletalk: Fix Use-After-Free in atalk_ioctl 2023-12-14 12:02:45 +01:00
atm atm: Fix Use-After-Free in do_vcc_ioctl 2023-12-12 13:14:08 +01:00
ax25
batman-adv batman-adv: Switch to linux/array_size.h 2023-11-14 08:16:34 +01:00
bluetooth This update includes the following changes: 2023-11-02 16:15:30 -10:00
bpf bpf: Fix a few selftest failures due to llvm18 change 2023-11-27 14:53:39 +01:00
bpfilter
bridge docs: bridge: Add kAPI/uAPI fields 2023-12-05 10:48:00 +01:00
caif
can
ceph This update includes the following changes: 2023-11-02 16:15:30 -10:00
core Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-12-14 17:14:41 -08:00
dcb
dccp ipv6: annotate data-races around np->mcast_oif 2023-12-11 10:59:17 +00:00
devlink devlink: warn about existing entities during reload-reinit 2023-11-30 12:31:23 +01:00
dns_resolver net: dns_resolver: the module is called dns_resolver, not dnsresolver 2023-12-12 12:14:19 +01:00
dsa net: dsa: tag_rtl4_a: Use existing ETH_P_REALTEK constant 2023-11-14 19:45:35 -08:00
ethernet
ethtool net: ethtool: add support for symmetric-xor RSS hash 2023-12-13 22:07:16 -08:00
handshake Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-10-26 13:46:28 -07:00
hsr net: hsr: Add support for MC filtering at the slave device 2023-11-22 10:51:32 +00:00
ieee802154
ife
ipv4 ipmr: support IP_PKTINFO on cache report IGMP msg 2023-12-15 10:27:11 +00:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-12-14 17:14:41 -08:00
iucv
kcm net: kcm: fill in MODULE_DESCRIPTION() 2023-11-08 18:17:44 -08:00
key
l2tp ipv6: annotate data-races around np->ucast_oif 2023-12-11 10:59:17 +00:00
l3mdev
lapb
llc llc: verify mac len before reading mac header 2023-11-01 22:21:32 -07:00
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-11-30 16:11:19 -08:00
mac802154
mctp
mpls
mptcp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-11-30 16:11:19 -08:00
ncsi net/ncsi: Add NC-SI 1.2 Get MC MAC Address command 2023-11-18 15:00:51 +00:00
netfilter ipv6: annotate data-races around np->mcast_oif 2023-12-11 10:59:17 +00:00
netlabel
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-12-07 17:53:17 -08:00
netrom
nfc nfc: nci: fix possible NULL pointer dereference in send_acknowledge() 2023-10-16 17:34:53 -07:00
nsh
openvswitch net/sched: act_ct: Always fill offloading tuple iifidx 2023-11-08 17:47:08 -08:00
packet Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-12-07 17:53:17 -08:00
phonet
psample psample: Require 'CAP_NET_ADMIN' when joining "packets" group 2023-12-07 09:54:02 -08:00
qrtr
rds ipv6: annotate data-races around np->mcast_oif 2023-12-11 10:59:17 +00:00
rfkill rfkill: return ENOTTY on invalid ioctl 2023-11-24 20:03:59 +01:00
rose net/rose: Fix Use-After-Free in rose_ioctl 2023-12-12 13:24:58 +01:00
rxrpc rxrpc: Defer the response to a PING ACK until we've parsed it 2023-11-17 02:50:33 +00:00
sched Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-12-14 17:14:41 -08:00
sctp sctp: support MSG_ERRQUEUE flag in recvmsg() 2023-12-13 18:30:24 -08:00
smc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-12-07 17:53:17 -08:00
strparser
sunrpc NFS client updates for Linux 6.7 2023-11-08 13:39:16 -08:00
switchdev
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-11-23 12:20:58 -08:00
tls net: tls, update curr on splice as well 2023-12-07 09:52:28 -08:00
unix bpf, sockmap: af_unix stream sockets need to hold ref for pair sock 2023-11-30 00:25:16 +01:00
vmw_vsock virtio/vsock: send credit update during setting SO_RCVLOWAT 2023-12-15 10:37:35 +00:00
wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-11-30 16:11:19 -08:00
x25
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-12-07 17:53:17 -08:00
xfrm Including fixes from netfilter and bpf. 2023-11-09 17:09:35 -08:00
compat.c
devres.c
Kconfig
Kconfig.debug
Makefile
socket.c bpf: Add __bpf_hook_{start,end} macros 2023-11-01 22:33:53 -07:00
sysctl_net.c