From: Jakub Kicinski <kuba@kernel.org>
To: Ahmed Zaki <ahmed.zaki@intel.com>
Cc: <netdev@vger.kernel.org>, <intel-wired-lan@lists.osuosl.org>,
<andrew+netdev@lunn.ch>, <edumazet@google.com>,
<pabeni@redhat.com>, <davem@davemloft.net>,
<michael.chan@broadcom.com>, <tariqt@nvidia.com>,
<anthony.l.nguyen@intel.com>, <przemyslaw.kitszel@intel.com>,
<jdamato@fastly.com>, <shayd@nvidia.com>,
<akpm@linux-foundation.org>
Subject: Re: [Intel-wired-lan] [PATCH net-next v2 4/8] net: napi: add CPU affinity to napi->config
Date: Fri, 20 Dec 2024 12:51:10 -0800 [thread overview]
Message-ID: <20241220125110.4f8d8e6b@kernel.org> (raw)
In-Reply-To: <df42a234-f289-4be7-a698-54b645b0fd81@intel.com>
On Fri, 20 Dec 2024 13:14:48 -0700 Ahmed Zaki wrote:
> > Then you can probably register a single unified handler, and inside
> > that handler check if the device wanted to have rmap or just affinity?
>
> This is what is in this patch already, all drivers following new
> approach will have netif_irq_cpu_rmap_notify() as their IRQ notifier.
>
> IIUC, your goal is to have the notifier inside napi, not irq_glue. For
> this, we'll have to have our own version of irq_cpu_rmap_add() (for the
> above reason).
>
> sounds OK?
Yes.
WARNING: multiple messages have this Message-ID (diff)
From: Jakub Kicinski <kuba@kernel.org>
To: Ahmed Zaki <ahmed.zaki@intel.com>
Cc: <netdev@vger.kernel.org>, <intel-wired-lan@lists.osuosl.org>,
<andrew+netdev@lunn.ch>, <edumazet@google.com>,
<pabeni@redhat.com>, <davem@davemloft.net>,
<michael.chan@broadcom.com>, <tariqt@nvidia.com>,
<anthony.l.nguyen@intel.com>, <przemyslaw.kitszel@intel.com>,
<jdamato@fastly.com>, <shayd@nvidia.com>,
<akpm@linux-foundation.org>
Subject: Re: [PATCH net-next v2 4/8] net: napi: add CPU affinity to napi->config
Date: Fri, 20 Dec 2024 12:51:10 -0800 [thread overview]
Message-ID: <20241220125110.4f8d8e6b@kernel.org> (raw)
In-Reply-To: <df42a234-f289-4be7-a698-54b645b0fd81@intel.com>
On Fri, 20 Dec 2024 13:14:48 -0700 Ahmed Zaki wrote:
> > Then you can probably register a single unified handler, and inside
> > that handler check if the device wanted to have rmap or just affinity?
>
> This is what is in this patch already, all drivers following new
> approach will have netif_irq_cpu_rmap_notify() as their IRQ notifier.
>
> IIUC, your goal is to have the notifier inside napi, not irq_glue. For
> this, we'll have to have our own version of irq_cpu_rmap_add() (for the
> above reason).
>
> sounds OK?
Yes.
next prev parent reply other threads:[~2024-12-20 20:51 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-18 16:58 [Intel-wired-lan] [PATCH net-next v2 0/8] net: napi: add CPU affinity to napi->config Ahmed Zaki
2024-12-18 16:58 ` Ahmed Zaki
2024-12-18 16:58 ` [Intel-wired-lan] [PATCH net-next v2 1/8] net: napi: add irq_flags to napi struct Ahmed Zaki
2024-12-18 16:58 ` Ahmed Zaki
2024-12-20 3:34 ` [Intel-wired-lan] " Jakub Kicinski
2024-12-20 3:34 ` Jakub Kicinski
2024-12-20 14:50 ` [Intel-wired-lan] " Ahmed Zaki
2024-12-20 14:50 ` Ahmed Zaki
2024-12-18 16:58 ` [Intel-wired-lan] [PATCH net-next v2 2/8] net: allow ARFS rmap management in core Ahmed Zaki
2024-12-18 16:58 ` Ahmed Zaki
2024-12-18 19:56 ` [Intel-wired-lan] " kernel test robot
2024-12-18 16:58 ` [Intel-wired-lan] [PATCH net-next v2 3/8] lib: cpu_rmap: allow passing a notifier callback Ahmed Zaki
2024-12-18 16:58 ` Ahmed Zaki
2024-12-18 16:58 ` [Intel-wired-lan] [PATCH net-next v2 4/8] net: napi: add CPU affinity to napi->config Ahmed Zaki
2024-12-18 16:58 ` Ahmed Zaki
2024-12-18 20:16 ` [Intel-wired-lan] " kernel test robot
2024-12-18 20:27 ` kernel test robot
2024-12-20 3:42 ` Jakub Kicinski
2024-12-20 3:42 ` Jakub Kicinski
2024-12-20 14:51 ` [Intel-wired-lan] " Ahmed Zaki
2024-12-20 14:51 ` Ahmed Zaki
2024-12-20 17:23 ` [Intel-wired-lan] " Jakub Kicinski
2024-12-20 17:23 ` Jakub Kicinski
2024-12-20 19:15 ` [Intel-wired-lan] " Ahmed Zaki
2024-12-20 19:15 ` Ahmed Zaki
2024-12-20 19:37 ` [Intel-wired-lan] " Jakub Kicinski
2024-12-20 19:37 ` Jakub Kicinski
2024-12-20 20:14 ` [Intel-wired-lan] " Ahmed Zaki
2024-12-20 20:14 ` Ahmed Zaki
2024-12-20 20:51 ` Jakub Kicinski [this message]
2024-12-20 20:51 ` Jakub Kicinski
2024-12-18 16:58 ` [Intel-wired-lan] [PATCH net-next v2 5/8] bnxt: use napi's irq affinity Ahmed Zaki
2024-12-18 16:58 ` Ahmed Zaki
2024-12-18 16:58 ` [Intel-wired-lan] [PATCH net-next v2 6/8] ice: " Ahmed Zaki
2024-12-18 16:58 ` Ahmed Zaki
2024-12-18 16:58 ` [Intel-wired-lan] [PATCH net-next v2 7/8] idpf: " Ahmed Zaki
2024-12-18 16:58 ` Ahmed Zaki
2024-12-18 16:58 ` [Intel-wired-lan] [PATCH net-next v2 8/8] mlx4: " Ahmed Zaki
2024-12-18 16:58 ` Ahmed Zaki
2024-12-22 9:23 ` [Intel-wired-lan] [PATCH net-next v2 0/8] net: napi: add CPU affinity to napi->config Shay Drori
2024-12-22 9:23 ` Shay Drori
2025-01-02 21:38 ` [Intel-wired-lan] " Ahmed Zaki
2025-01-02 21:38 ` Ahmed Zaki
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