From: Jakub Kicinski <kuba@kernel.org>
To: Paolo Abeni <pabeni@redhat.com>
Cc: netdev@vger.kernel.org, "David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>, Shuah Khan <shuah@kernel.org>
Subject: Re: [PATCH net-next 0/2] net: default_rps_mask follow-up
Date: Wed, 15 Feb 2023 15:05:40 -0800 [thread overview]
Message-ID: <20230215150540.5441eb8c@kernel.org> (raw)
In-Reply-To: <df8772b86a072b21500392aa45b72ac86d6983e4.camel@redhat.com>
On Wed, 15 Feb 2023 21:33:01 +0100 Paolo Abeni wrote:
> That is not needed, as every other devices forwarding packets to the
> netns has proper isolation (RPS or IRQ affinity) already set. If the
> child ns device RPS configuration is left unchanged, the incoming
> packets in the child netns go through an unneeded RPS stage, which
> could be a bad thing if the selected CPU is on a different NUMA node.
I see your point now. Must have been low on coffee in the morning.
Thanks!
prev parent reply other threads:[~2023-02-15 23:05 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-15 18:33 [PATCH net-next 0/2] net: default_rps_mask follow-up Paolo Abeni
2023-02-15 18:33 ` [PATCH net-next 1/2] net: make default_rps_mask a per netns attribute Paolo Abeni
2023-02-16 13:06 ` kernel test robot
2023-02-15 18:33 ` [PATCH net-next 2/2] self-tests: more rps self tests Paolo Abeni
2023-02-15 19:29 ` [PATCH net-next 0/2] net: default_rps_mask follow-up Jakub Kicinski
2023-02-15 20:33 ` Paolo Abeni
2023-02-15 23:05 ` Jakub Kicinski [this message]
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