netdev - Re: [PATCH net-next] net/smc: reduce rtnl pressure in smc_pnet_create_pnetids

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Message-Id: 
 <170965082961.24565.6815593821638612855.git-patchwork-notify@kernel.org>
Date: Tue, 05 Mar 2024 15:00:29 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Eric Dumazet <edumazet@...gle.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
 netdev@...r.kernel.org, eric.dumazet@...il.com, wenjia@...ux.ibm.com,
 jaka@...ux.ibm.com, alibuda@...ux.alibaba.com, tonylu@...ux.alibaba.com,
 guwen@...ux.alibaba.com
Subject: Re: [PATCH net-next] net/smc: reduce rtnl pressure in
 smc_pnet_create_pnetids_list()

Hello:

This patch was applied to netdev/net-next.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Sat,  2 Mar 2024 10:07:44 +0000 you wrote:
> Many syzbot reports show extreme rtnl pressure, and many of them hint
> that smc acquires rtnl in netns creation for no good reason [1]
> 
> This patch returns early from smc_pnet_net_init()
> if there is no netdevice yet.
> 
> I am not even sure why smc_pnet_create_pnetids_list() even exists,
> because smc_pnet_netdev_event() is also calling
> smc_pnet_add_base_pnetid() when handling NETDEV_UP event.
> 
> [...]

Here is the summary with links:
  - [net-next] net/smc: reduce rtnl pressure in smc_pnet_create_pnetids_list()
    https://git.kernel.org/netdev/net-next/c/00af2aa93b76

You are awesome, thank you!
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