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This is a first patchset for IPVS optimizations.
Another patchset will address the locking in schedulers
and moving the global _bh disabling from LOCAL_OUT to all
locks. It is in TODO list.
All patches are for net-next. The idea is
after discussion and review Simon to apply the patchset
to ipvs-next tree.
The changes in this patchset eliminate locks
and dst refcnt operations from packet processing by
using RCU. There are more details in the patches.
Julian Anastasov (12):
net: add dst_get_noref and refdst_ptr helpers
ipvs: avoid routing by TOS for real server
ipvs: prefer NETDEV_DOWN event to free cached dsts
ipvs: convert the IP_VS_XMIT macros to functions
ipvs: rename functions related to dst_cache reset
ipvs: optimize dst usage for real server
ipvs: convert app locks
ipvs: remove rs_lock by using RCU
ipvs: convert locks used in persistence engines
ipvs: convert connection locking
ipvs: reorder keys in connection structure
ipvs: avoid kmem_cache_zalloc in ip_vs_conn_new
include/net/dst.h | 14 +-
include/net/ip_vs.h | 56 +++--
net/netfilter/ipvs/ip_vs_app.c | 27 ++-
net/netfilter/ipvs/ip_vs_conn.c | 254 +++++++++-------
net/netfilter/ipvs/ip_vs_core.c | 16 +-
net/netfilter/ipvs/ip_vs_ctl.c | 128 ++++----
net/netfilter/ipvs/ip_vs_ftp.c | 2 +
net/netfilter/ipvs/ip_vs_pe.c | 43 +--
net/netfilter/ipvs/ip_vs_pe_sip.c | 1 +
net/netfilter/ipvs/ip_vs_proto_sctp.c | 18 +-
net/netfilter/ipvs/ip_vs_proto_tcp.c | 18 +-
net/netfilter/ipvs/ip_vs_proto_udp.c | 19 +-
net/netfilter/ipvs/ip_vs_xmit.c | 532 ++++++++++++++++++++-------------
13 files changed, 633 insertions(+), 495 deletions(-)
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1.7.3.4
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