|
On Thu, Mar 28, 2013 at 02:39:29PM +0900, Simon Horman wrote:
> Hi Dave, Hi Pablo, Hi All,
>
> This is a repost of an IPVS optimisations series by Julian Anastasov
> which has been acked by Hans Schillstrom.
>
> I have tentatively applied them to the ipvs-next tree.
> However, the first patch of the series "net: add skb_dst_set_noref_force"
> touches core code and thus I believe it needs some review on netdev,
> this is the reason for me posting the series.
>
> Assuming the patch is ok it would be easiest for me if
> it went through the ipvs-next tree. But if there is a preference
> for taking it through net-next, feel free.
>
> What follows is Julian's cover-email for the series.
> And then git information. I am happy for Pablo to pull this
> if Dave is happy with that.
It seems that Dave has already acked the change.
http://marc.info/?l=linux-netdev&m=136294921002680&w=2
I'll tag ipvs-next and send a proper pull request.
> ======================================================================
>
> Date: Thu, 21 Mar 2013 11:57:57 +0200
> From: Julian Anastasov <ja@xxxxxx>
> To: Simon Horman <horms@xxxxxxxxxxxx>
> Cc: lvs-devel@xxxxxxxxxxxxxxx
> Subject: [PATCHv3 net-next 00/15] IPVS optimizations
>
> 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.
>
> All patches are for net-next and Simon can
> take them for ipvs-next.
>
> The changes in this patchset eliminate locks
> and dst refcnt operations from packet processing by
> using RCU. There are more details in the patches.
>
> v3:
> * in "ipvs: consolidate all dst checks on transmit in one place"
> preserve original skb dst even for local client, remove the
> rt_is_input_route and skb->dev check. Call update_pmtu only for
> local client by providing sk instead of skb.
> * in "ipvs: optimize dst usage for real server" use
> rcu_dereference_protected for __ip_vs_dst_cache_reset instead of
> rcu_dereference_raw. Use the new skb_dst_set_noref_force func.
> * in "ipvs: remove rs_lock by using RCU" prefer the port check in
> ip_vs_has_real_service
> * "ipvs: convert locks used in persistence engines" needs only
> synchronize_rcu, not rcu_barrier, we do not use rcu callbacks
>
> v2:
> * use "net: add skb_dst_set_unref" instead of
> "net: add dst_get_noref and refdst_ptr helpers"
> * add "ipvs: no need to reroute anymore on DNAT over loopback"
> * add "ipvs: do not use skb_share_check"
> * add "ipvs: consolidate all dst checks on transmit in one place", so
> that we can avoid the refdst games in next patch
> * after "ipvs: consolidate all dst checks on transmit in one place"
> "ipvs: optimize dst usage for real server" is simpler and
> uses the new skb_dst_set_unref function
> * extend "ipvs: reorder keys in connection structure" with
> changes in ip_vs_ct_in_get
> * fix "ipvs: avoid kmem_cache_zalloc in ip_vs_conn_new" to use new
> function ip_vs_addr_set, so that we reset all address fields
> that are used for hashing by hash_conntrack_raw
>
> ======================================================================
>
> The following changes since commit dece40e848f6e022f960dc9de54be518928460c3:
>
> netfilter: nf_conntrack: speed up module removal path if netns in use
> (2013-03-19 17:08:31 +0100)
>
> are available in the git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs-next.git master
>
> for you to fetch changes up to e8a0eb703e38870118928384ffd5eeeb47e7e1ef:
>
> ipvs: avoid kmem_cache_zalloc in ip_vs_conn_new (2013-03-28 14:16:38 +0900)
>
> ----------------------------------------------------------------
> Julian Anastasov (15):
> net: add skb_dst_set_noref_force
> 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: no need to reroute anymore on DNAT over loopback
> ipvs: do not use skb_share_check
> ipvs: consolidate all dst checks on transmit in one place
> 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/linux/skbuff.h | 35 +-
> include/net/ip_vs.h | 71 ++-
> net/core/dst.c | 9 +-
> net/netfilter/ipvs/ip_vs_app.c | 27 +-
> net/netfilter/ipvs/ip_vs_conn.c | 271 +++++----
> net/netfilter/ipvs/ip_vs_core.c | 16 +-
> net/netfilter/ipvs/ip_vs_ctl.c | 143 +++--
> 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 | 1046
> ++++++++++++++-------------------
> 14 files changed, 810 insertions(+), 909 deletions(-)
> --
> To unsubscribe from this list: send the line "unsubscribe netdev" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
--
To unsubscribe from this list: send the line "unsubscribe lvs-devel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|
