From: Jakub Kicinski <kuba@kernel.org>
To: Joe Damato <jdamato@fastly.com>
Cc: netdev@vger.kernel.org, Daniel Borkmann <daniel@iogearbox.net>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Harshitha Ramamurthy <hramamurthy@google.com>,
intel-wired-lan@lists.osuosl.org (moderated list:INTEL ETHERNET
DRIVERS), Jeroen de Borst <jeroendb@google.com>,
Jiri Pirko <jiri@resnulli.us>, Leon Romanovsky <leon@kernel.org>,
linux-kernel@vger.kernel.org (open list),
linux-rdma@vger.kernel.org (open list:MELLANOX MLX4 core VPI
driver), Lorenzo Bianconi <lorenzo@kernel.org>,
Paolo Abeni <pabeni@redhat.com>,
Praveen Kaligineedi <pkaligineedi@google.com>,
Przemek Kitszel <przemyslaw.kitszel@intel.com>,
Saeed Mahameed <saeedm@nvidia.com>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Shailend Chand <shailend@google.com>,
Tariq Toukan <tariqt@nvidia.com>,
Tony Nguyen <anthony.l.nguyen@intel.com>,
Willem de Bruijn <willemb@google.com>,
Yishai Hadas <yishaih@nvidia.com>,
Ziwei Xiao <ziweixiao@google.com>
Subject: Re: [RFC net-next 0/6] Cleanup IRQ affinity checks in several drivers
Date: Tue, 13 Aug 2024 17:17:10 -0700 [thread overview]
Message-ID: <20240813171710.599d3f01@kernel.org> (raw)
In-Reply-To: <20240812145633.52911-1-jdamato@fastly.com>
On Mon, 12 Aug 2024 14:56:21 +0000 Joe Damato wrote:
> Several drivers make a check in their napi poll functions to determine
> if the CPU affinity of the IRQ has changed. If it has, the napi poll
> function returns a value less than the budget to force polling mode to
> be disabled, so that it can be rescheduled on the correct CPU next time
> the softirq is raised.
Any reason not to use the irq number already stored in napi_struct ?
next prev parent reply other threads:[~2024-08-14 0:17 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-12 14:56 [RFC net-next 0/6] Cleanup IRQ affinity checks in several drivers Joe Damato
2024-08-12 14:56 ` [RFC net-next 1/6] netdevice: Add napi_affinity_no_change Joe Damato
2024-08-12 20:23 ` Stanislav Fomichev
2024-08-12 21:08 ` Joe Damato
2024-08-12 22:36 ` Stanislav Fomichev
2024-08-13 9:11 ` Joe Damato
2024-08-13 10:03 ` Joe Damato
2024-08-13 13:05 ` Simon Horman
2024-08-12 14:56 ` [RFC net-next 2/6] mlx5: Use napi_affinity_no_change Joe Damato
2024-08-12 14:56 ` [RFC net-next 3/6] gve: " Joe Damato
2024-08-13 18:55 ` Shailend Chand
2024-08-13 21:44 ` Joe Damato
2024-08-13 21:50 ` Shailend Chand
2024-08-12 14:56 ` [RFC net-next 4/6] i40e: " Joe Damato
2024-08-12 14:56 ` [RFC net-next 5/6] iavf: " Joe Damato
2024-08-12 14:56 ` [RFC net-next 6/6] mlx4: " Joe Damato
2024-08-14 0:17 ` Jakub Kicinski [this message]
2024-08-14 7:14 ` [RFC net-next 0/6] Cleanup IRQ affinity checks in several drivers Joe Damato
2024-08-14 12:12 ` Joe Damato
2024-08-14 15:09 ` Jakub Kicinski
2024-08-14 15:19 ` Joe Damato
2024-08-14 16:03 ` Shay Drori
2024-08-14 18:01 ` Joe Damato
2024-08-15 0:20 ` Jakub Kicinski
2024-08-15 10:22 ` Joe Damato
2024-08-20 6:40 ` Shay Drori
2024-08-20 8:33 ` Joe Damato
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