AuxXxilium/linux_dsm_epyc7002
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0768e17073
linux_dsm_epyc7002/net
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Arnd Bergmann 0768e17073 net: socket: implement 64-bit timestamps 
The 'timeval' and 'timespec' data structures used for socket timestamps
are going to be redefined in user space based on 64-bit time_t in future
versions of the C library to deal with the y2038 overflow problem,
which breaks the ABI definition.

Unlike many modern ioctl commands, SIOCGSTAMP and SIOCGSTAMPNS do not
use the _IOR() macro to encode the size of the transferred data, so it
remains ambiguous whether the application uses the old or new layout.

The best workaround I could find is rather ugly: we redefine the command
code based on the size of the respective data structure with a ternary
operator. This lets it get evaluated as late as possible, hopefully after
that structure is visible to the caller. We cannot use an #ifdef here,
because inux/sockios.h might have been included before any libc header
that could determine the size of time_t.

The ioctl implementation now interprets the new command codes as always
referring to the 64-bit structure on all architectures, while the old
architecture specific command code still refers to the old architecture
specific layout. The new command number is only used when they are
actually different.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-19 14:07:40 -07:00
..
6lowpan 6lowpan: fix debugfs_simple_attr.cocci warnings 2019-01-22 09:51:19 +01:00
9p 9p/net: fix memory leak in p9_client_create 2019-03-13 11:50:04 +01:00
802
8021q vlan: do not transfer link state in vlan bridge binding mode 2019-04-19 13:58:17 -07:00
appletalk net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
atm net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
ax25 net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-05 14:14:19 -07:00
bluetooth net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
bpf bpf: explicitly prohibit ctx_{in, out} in non-skb BPF_PROG_TEST_RUN 2019-04-12 00:53:00 +02:00
bpfilter bpfilter: re-add header search paths to tools include to fix build error 2019-02-23 13:34:40 -08:00
bridge bridge: update vlan dev link state for bridge netdev changes 2019-04-19 13:58:17 -07:00
caif net: caif: avoid using qdisc_qlen() 2019-04-10 12:20:46 -07:00
can net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
ceph libceph: fix breakage caused by multipage bvecs 2019-03-25 22:28:07 +01:00
core net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
dcb net: dcb: Add priority-to-DSCP map getters 2018-07-27 13:17:50 -07:00
dccp net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
decnet net: use rcu_dereference_protected to fetch sk_dst_cache in sk_destruct 2019-04-01 18:10:51 -07:00
dns_resolver dns: remove redundant zero length namelen check 2019-04-11 14:01:08 -07:00
dsa Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-05 14:14:19 -07:00
ethernet net/ethernet: Add parse_protocol header_ops support 2019-02-22 12:55:31 -08:00
hsr net: hsr: add tx stats for master interface 2019-04-15 17:22:02 -07:00
ieee802154 net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
ife
ipv4 net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
ipv6 net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
iucv iucv: Remove SKB list assumptions. 2018-11-10 16:55:11 -08:00
kcm kcm: switch order of device registration to fix a crash 2019-04-01 14:59:20 -07:00
key af_key: unconditionally clone on broadcast 2019-02-12 10:36:42 +01:00
l2tp net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
l3mdev l3mdev: add function to retreive upper master 2018-12-03 14:15:26 -08:00
lapb
llc llc: Check address length before reading address field 2019-04-12 10:25:03 -07:00
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-17 11:26:25 -07:00
mac802154 mac802154: Remove VLA usage of skcipher 2018-09-28 12:46:07 +08:00
mpls ipv4: Add support to rtable for ipv6 gateway 2019-04-08 15:22:40 -07:00
ncsi genetlink: make policy common to family 2019-03-22 10:38:23 -04:00
netfilter bridge: netfilter: unroll NF_HOOK helper in bridge input path 2019-04-12 01:47:39 +02:00
netlabel genetlink: make policy common to family 2019-03-22 10:38:23 -04:00
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-17 11:26:25 -07:00
netrom net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-08 23:39:36 -07:00
nsh nsh: set mac len based on inner packet 2018-07-12 16:55:29 -07:00
openvswitch netfilter: replace NF_NAT_NEEDED with IS_ENABLED(CONFIG_NF_NAT) 2019-04-08 23:02:52 +02:00
packet net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
phonet phonet: fix building with clang 2019-02-21 16:23:56 -08:00
psample
qrtr net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
rds net/rds: Check address length before reading address family 2019-04-12 10:25:03 -07:00
rfkill rfkill: gpio: Remove unused include 2018-12-18 13:13:56 +01:00
rose net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
rxrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-17 11:26:25 -07:00
sched net/sched: taprio: fix build without 64bit div 2019-04-18 17:06:15 -07:00
sctp net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
smc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-17 11:26:25 -07:00
strparser Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-17 11:26:25 -07:00
sunrpc Revert "SUNRPC: Micro-optimise when the task is known not to be sleeping" 2019-04-11 15:41:14 -04:00
switchdev switchdev: Remove unused transaction item queue 2019-03-01 21:35:19 -08:00
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-17 11:26:25 -07:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-17 11:26:25 -07:00
unix datagram: remove rendundant 'peeked' argument 2019-04-08 09:51:54 -07:00
vmw_vsock vsock/virtio: fix kernel panic from virtio_transport_reset_no_sock 2019-03-08 15:15:44 -08:00
wimax genetlink: make policy common to family 2019-03-22 10:38:23 -04:00
wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-17 11:26:25 -07:00
x25 net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
xdp xsk: fix umem memory leak on cleanup 2019-03-16 01:27:51 +01:00
xfrm net: dev: rename queue selection helpers. 2019-03-20 11:18:54 -07:00
compat.c net: rework SIOCGSTAMP ioctl handling 2019-04-19 14:07:40 -07:00
Kconfig net: devlink: select NET_DEVLINK from drivers 2019-03-24 14:55:31 -04:00
Makefile net: split out functions related to registering inflight socket files 2019-02-28 08:24:23 -07:00
socket.c net: socket: implement 64-bit timestamps 2019-04-19 14:07:40 -07:00
sysctl_net.c