Re: [PATCH net-next] net: openvswitch: don't schedule rebalancing if there are no datapaths

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Wed,  2 Sep 2026 22:30:41 +0200 you wrote:
> During namespace initialization the masks rebalancing work is
> scheduled and automatically re-scheduled every 4 seconds afterwards.
> This is happening in every namespace.  On a large kubernetes node with
> 500 pods, i.e., 500+ namespaces, this creates a decent amount of
> unnecessary churn scheduling 500 jobs every 4 seconds that take the
> mutex, check that there are no datapaths in their namespace, release
> the mutex, re-schedule themselves and exit.  These 500 unnecessary
> mutex locks may hold off operations in a single namespace that
> actually has a datapath configured and has real user requests to
> handle under this lock.  They can also add delay to removal of other
> namespaces as ovs_exit_net() needs to take that lock as well and
> synchronously waits for the work to be cancelled.
> 
> [...]

Here is the summary with links:
  - [net-next] net: openvswitch: don't schedule rebalancing if there are no datapaths
    https://git.kernel.org/netdev/net-next/c/6ebcf5074cff

You are awesome, thank you!
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