Messages in this thread | | | Subject | Re: [PATCH net-next 0/3] UDP sock_wfree optimisations | From | patchwork-bot+netdevbpf@kernel ... | Date | Sun, 01 May 2022 12:20:12 +0000 |
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Hello:
This series was applied to netdev/net-next.git (master) by David S. Miller <davem@davemloft.net>:
On Thu, 28 Apr 2022 11:58:16 +0100 you wrote: > The series is not UDP specific but that the main beneficiary. 2/3 saves one > atomic in sock_wfree() and on top 3/3 removes an extra barrier. > Tested with UDP over dummy netdev, 2038491 -> 2099071 req/s (or around +3%). > > note: in regards to 1/3, there is a "Should agree with poll..." comment > that I don't completely get, and there is no git history to explain it. > Though I can't see how it could rely on having the second check without > racing with tasks woken by wake_up*(). > > [...]
Here is the summary with links: - [net-next,1/3] sock: dedup sock_def_write_space wmem_alloc checks https://git.kernel.org/netdev/net-next/c/14bfee9b6270 - [net-next,2/3] sock: optimise UDP sock_wfree() refcounting https://git.kernel.org/netdev/net-next/c/052ada096842 - [net-next,3/3] sock: optimise sock_def_write_space barriers https://git.kernel.org/netdev/net-next/c/0a8afd9f026a
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