From: Simon Horman <horms@kernel.org>
To: Karol Kolacinski <karol.kolacinski@intel.com>
Cc: intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org,
anthony.l.nguyen@intel.com, przemyslaw.kitszel@intel.com,
richardcochran@gmail.com, Milena Olech <milena.olech@intel.com>
Subject: Re: [Intel-wired-lan] [PATCH iwl-next 4/4] ice: read Tx timestamps in the IRQ top half
Date: Fri, 6 Jun 2025 13:50:53 +0100 [thread overview]
Message-ID: <20250606125053.GD120308@horms.kernel.org> (raw)
In-Reply-To: <20250520110823.1937981-10-karol.kolacinski@intel.com>
On Tue, May 20, 2025 at 01:06:29PM +0200, Karol Kolacinski wrote:
> With sideband queue using delays and spin locks, it is possible to
> read timestamps from the PHY in the top half of the interrupt.
>
> This removes bottom half scheduling delays and improves timestamping
> read times significantly, from >2 ms to <50 us.
>
> Reviewed-by: Milena Olech <milena.olech@intel.com>
> Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
WARNING: multiple messages have this Message-ID (diff)
From: Simon Horman <horms@kernel.org>
To: Karol Kolacinski <karol.kolacinski@intel.com>
Cc: intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org,
anthony.l.nguyen@intel.com, przemyslaw.kitszel@intel.com,
richardcochran@gmail.com, Milena Olech <milena.olech@intel.com>
Subject: Re: [PATCH iwl-next 4/4] ice: read Tx timestamps in the IRQ top half
Date: Fri, 6 Jun 2025 13:50:53 +0100 [thread overview]
Message-ID: <20250606125053.GD120308@horms.kernel.org> (raw)
In-Reply-To: <20250520110823.1937981-10-karol.kolacinski@intel.com>
On Tue, May 20, 2025 at 01:06:29PM +0200, Karol Kolacinski wrote:
> With sideband queue using delays and spin locks, it is possible to
> read timestamps from the PHY in the top half of the interrupt.
>
> This removes bottom half scheduling delays and improves timestamping
> read times significantly, from >2 ms to <50 us.
>
> Reviewed-by: Milena Olech <milena.olech@intel.com>
> Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
next prev parent reply other threads:[~2025-06-06 12:51 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-20 11:06 [Intel-wired-lan] [PATCH iwl-next 0/4] ice: Read Tx timestamps in the IRQ top half Karol Kolacinski
2025-05-20 11:06 ` Karol Kolacinski
2025-05-20 11:06 ` [Intel-wired-lan] [PATCH iwl-next 1/4] ice: skip completion for sideband queue writes Karol Kolacinski
2025-05-20 11:06 ` Karol Kolacinski
2025-05-22 6:47 ` [Intel-wired-lan] " Paul Menzel
2025-06-06 12:50 ` Simon Horman
2025-06-06 12:50 ` Simon Horman
2025-05-20 11:06 ` [Intel-wired-lan] [PATCH iwl-next 2/4] ice: refactor ice_sq_send_cmd and ice_shutdown_sq Karol Kolacinski
2025-05-20 11:06 ` Karol Kolacinski
2025-06-06 12:50 ` [Intel-wired-lan] " Simon Horman
2025-06-06 12:50 ` Simon Horman
2025-05-20 11:06 ` [Intel-wired-lan] [PATCH iwl-next 3/4] ice: use spin_lock for sideband queue send queue Karol Kolacinski
2025-05-20 11:06 ` Karol Kolacinski
2025-06-06 12:49 ` [Intel-wired-lan] " Simon Horman
2025-06-06 12:49 ` Simon Horman
2025-05-20 11:06 ` [Intel-wired-lan] [PATCH iwl-next 4/4] ice: read Tx timestamps in the IRQ top half Karol Kolacinski
2025-05-20 11:06 ` Karol Kolacinski
2025-06-06 12:50 ` Simon Horman [this message]
2025-06-06 12:50 ` Simon Horman
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