# Re: \[PATCH net-next\] bonding: Remove support for use\_carrier

- From: patchwork-bot+netdevbpf@kernel.org
- Date: 2025-09-02 23:00:27 
- List: netdev
- Page: https://ratatoskr.run/netdev/2025/09/8534361
- Thread: https://ratatoskr.run/netdev/2025/08/8534281/t.md

```text
Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski [ref]:

On Fri, 29 Aug 2025 17:08:37 -0700 you wrote:
> Remove the implementation of use_carrier, the link monitoring
> method that utilizes ethtool or ioctl to determine the link state of an
> interface in a bond.  Bonding will always behaves as if use_carrier=1,
> which relies on netif_carrier_ok() to determine the link state of
> interfaces.
> 
> 	To avoid acquiring RTNL many times per second, bonding inspects
> link state under RCU, but not under RTNL.  However, ethtool
> implementations in drivers may sleep, and therefore this strategy is
> unsuitable for use with calls into driver ethtool functions.
> 
> [...]

Here is the summary with links:
  - [net-next] bonding: Remove support for use_carrier
    https://git.kernel.org/netdev/net-next/c/23a6037ce76c

You are awesome, thank you!
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```