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0af413bd3e
linux_dsm_epyc7002/net
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Arnd Bergmann 0af413bd3e flow_dissector: work around stack frame size warning 
The fl_flow_key structure is around 500 bytes, so having two of them
on the stack in one function now exceeds the warning limit after an
otherwise correct change:

net/sched/cls_flower.c:298:12: error: stack frame size of 1056 bytes in function 'fl_classify' [-Werror,-Wframe-larger-than=]

I suspect the fl_classify function could be reworked to only have one
of them on the stack and modify it in place, but I could not work out
how to do that.

As a somewhat hacky workaround, move one of them into an out-of-line
function to reduce its scope. This does not necessarily reduce the stack
usage of the outer function, but at least the second copy is removed
from the stack during most of it and does not add up to whatever is
called from there.

I now see 552 bytes of stack usage for fl_classify(), plus 528 bytes
for fl_mask_lookup().

Fixes: 58cff782cc ("flow_dissector: Parse multiple MPLS Label Stack Entries")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-01 11:52:05 -07:00
..
6lowpan
9p 9pnet: allow making incomplete read requests 2020-03-27 09:29:56 +00:00
802 net: 802: psnap.c: Use built-in RCU list checking 2020-02-24 13:02:53 -08:00
8021q netpoll: accept NULL np argument in netpoll_send_skb() 2020-05-07 18:11:07 -07:00
appletalk ipv4,appletalk: move SIOCADDRT and SIOCDELRT handling into ->compat_ioctl 2020-05-18 17:35:02 -07:00
atm atm: switch do_atmif_sioc() to direct use of atm_dev_ioctl() 2020-05-20 20:31:36 -04:00
ax25 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-24 13:47:27 -07:00
batman-adv This cleanup patchset includes the following patches: 2020-05-26 15:19:29 -07:00
bluetooth Bluetooth: Acquire sk_lock.slock without disabling interrupts 2020-05-29 13:48:46 +02:00
bpf bpf: Fix too large copy from user in bpf_test_init 2020-05-19 17:56:34 +02:00
bpfilter SPDX patches for 5.7-rc1. 2020-04-03 13:12:26 -07:00
bridge bridge: Avoid infinite loop when suppressing NS messages with invalid options 2020-06-01 11:08:41 -07:00
caif net: caif: Fix use correct return type for ndo_start_xmit() 2020-04-30 12:13:07 -07:00
can can: j1939: j1939_sk_bind(): take priv after lock is held 2019-12-08 11:52:02 +01:00
ceph Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-31 17:48:46 -07:00
core devlink: Add ACL control packet traps 2020-06-01 11:49:23 -07:00
dcb
dccp ipv6: move SIOCADDRT and SIOCDELRT handling into ->compat_ioctl 2020-05-18 17:35:02 -07:00
decnet Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-05-01 17:02:27 -07:00
dns_resolver docs: networking: convert dns_resolver.txt to ReST 2020-04-28 14:39:46 -07:00
dsa Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-31 17:48:46 -07:00
ethernet net: move devres helpers into a separate source file 2020-05-23 16:56:17 -07:00
ethtool net: ethtool: cabletest: Make ethnl_act_cable_test_tdr_cfg static 2020-05-29 17:28:30 -07:00
hsr hsr: remove WARN_ONCE() in hsr_fill_frame_info() 2020-05-07 17:40:02 -07:00
ieee802154 ieee802154: 6lowpan: remove unnecessary comparison 2020-05-08 22:25:10 -07:00
ife
ipv4 ipv4: nexthop: Fix deadcode issue by performing a proper NULL check 2020-06-01 11:05:35 -07:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-31 17:48:46 -07:00
iucv net/af_iucv: clean up function prototypes 2020-05-19 12:50:14 -07:00
kcm net: kcm: kcmproc.c: Fix RCU list suspicious usage warning 2020-03-16 17:14:02 -07:00
key
l2tp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-31 17:48:46 -07:00
l3mdev
lapb docs: networking: convert lapb-module.txt to ReST 2020-04-30 12:56:35 -07:00
llc af_llc: fix if-statement empty body warning 2020-02-26 20:38:13 -08:00
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-31 17:48:46 -07:00
mac802154
mpls net: Make mpls_entry_encode() available for generic users 2020-05-29 21:20:20 -07:00
mptcp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-31 17:48:46 -07:00
ncsi net/ncsi: Support for multi host mellanox card 2020-01-09 18:36:22 -08:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2020-06-01 11:46:30 -07:00
netlabel netlabel: cope with NULL catmap 2020-05-12 18:12:40 -07:00
netlink bpf: Enable bpf_iter targets registering ctx argument types 2020-05-13 12:30:50 -07:00
netrom net: partially revert dynamic lockdep key changes 2020-05-04 12:05:56 -07:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-03-12 22:34:48 -07:00
nsh
openvswitch net: openvswitch: use div_u64() for 64-by-32 divisions 2020-04-25 20:48:21 -07:00
packet net/packet: tpacket_rcv: avoid a producer race condition 2020-03-15 00:25:25 -07:00
phonet sysctl: pass kernel pointers to ->proc_handler 2020-04-27 02:07:40 -04:00
psample net: psample: fix build error when CONFIG_INET is not enabled 2020-05-23 16:36:05 -07:00
qrtr Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-31 17:48:46 -07:00
rds tcp: add tcp_sock_set_keepcnt 2020-05-28 11:11:45 -07:00
rfkill rfkill: Fix incorrect check to avoid NULL pointer dereference 2019-12-16 10:15:49 +01:00
rose net: partially revert dynamic lockdep key changes 2020-05-04 12:05:56 -07:00
rxrpc rxrpc: add rxrpc_sock_set_min_security_level 2020-05-28 11:11:46 -07:00
sched flow_dissector: work around stack frame size warning 2020-06-01 11:52:05 -07:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-31 17:48:46 -07:00
smc net/smc: pre-fetch send buffer outside of send_lock 2020-05-30 18:12:25 -07:00
strparser
sunrpc ipv6: add ip6_sock_set_recvpktinfo 2020-05-28 11:11:46 -07:00
switchdev net: switchdev: do not propagate bridge updates across bridges 2020-02-26 20:58:33 -08:00
tipc tipc: remove set but not used variable 'prev' 2020-05-29 16:59:04 -07:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-31 17:48:46 -07:00
unix net: datagram: drop 'destructor' argument from several helpers 2020-02-28 12:12:53 -08:00
vmw_vsock virtio_vsock: Fix race condition in virtio_transport_recv_pkt 2020-05-30 17:44:01 -07:00
wimax
wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-31 17:48:46 -07:00
x25 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-06 22:10:13 -07:00
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-31 17:48:46 -07:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-31 17:48:46 -07:00
compat.c get rid of compat_mc_setsockopt() 2020-05-20 20:31:32 -04:00
devres.c net: devres: provide devm_register_netdev() 2020-05-23 16:56:17 -07:00
Kconfig net: ethtool: netlink: Add support for triggering a cable test 2020-05-10 12:28:41 -07:00
Makefile net: move devres helpers into a separate source file 2020-05-23 16:56:17 -07:00
socket.c net: remove kernel_setsockopt 2020-05-29 13:10:39 -07:00
sysctl_net.c