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Subject: Re: [PATCH 0/2] improve multicast join group performance
From: patchwork-bot+netdevbpf@kernel.org
Message-Id: 
 <172847523450.1241124.965690201878894665.git-patchwork-notify@kernel.org>
Date: Wed, 09 Oct 2024 12:00:34 +0000
References: <20241007-igmp-speedup-v1-0-6c0a387890a5@pengutronix.de>
In-Reply-To: <20241007-igmp-speedup-v1-0-6c0a387890a5@pengutronix.de>
To: Jonas Rebmann <jre@pengutronix.de>
Cc: davem@davemloft.net, dsahern@kernel.org, edumazet@google.com,
 kuba@kernel.org, pabeni@redhat.com, madalin.bucur@nxp.com,
 sean.anderson@seco.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
 kernel@pengutronix.de

Hello:

This series was applied to netdev/net-next.git (main)
by David S. Miller <davem@davemloft.net>:

On Mon, 07 Oct 2024 16:17:10 +0200 you wrote:
> This series seeks to improve performance on updating igmp group
> memberships such as with IP_ADD_MEMBERSHIP or MCAST_JOIN_SOURCE_GROUP.
> 
> Our use case was to add 2000 multicast memberships on a TQMLS1046A which
> took about 3.6 seconds for the membership additions alone. Our userspace
> reproducer tool was instrumented to log runtimes of the individual
> setsockopt invocations which clearly indicated quadratic complexity of
> setting up the membership with regard to the total number of multicast
> groups to be joined. We used perf to locate the hotspots and
> subsequently optimized the most costly sections of code.
> 
> [...]

Here is the summary with links:
  - [1/2] net: ipv4: igmp: optimize ____ip_mc_inc_group() using mc_hash
    https://git.kernel.org/netdev/net-next/c/69a3272d787c
  - [2/2] net: dpaa: use __dev_mc_sync in dpaa_set_rx_mode()
    https://git.kernel.org/netdev/net-next/c/298f70b37144

You are awesome, thank you!
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