linux-kernel - Re: [PATCH net-next 4/5] net/mlx5: Warn when write combining is not supported

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Message-ID: <20250709172433.GE721198@horms.kernel.org>
Date: Wed, 9 Jul 2025 18:24:33 +0100
From: Simon Horman <horms@...nel.org>
To: Tariq Toukan <tariqt@...dia.com>
Cc: Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Saeed Mahameed <saeed@...nel.org>, Gal Pressman <gal@...dia.com>,
	Leon Romanovsky <leon@...nel.org>,
	Saeed Mahameed <saeedm@...dia.com>, Mark Bloch <mbloch@...dia.com>,
	netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
	linux-kernel@...r.kernel.org, Maor Gottlieb <maorg@...dia.com>
Subject: Re: [PATCH net-next 4/5] net/mlx5: Warn when write combining is not
 supported

On Wed, Jul 09, 2025 at 12:16:26AM +0300, Tariq Toukan wrote:
> From: Maor Gottlieb <maorg@...dia.com>
> 
> Warn if write combining is not supported, as it can impact latency.
> Add the warning message to be printed only when the driver actually
> run the test and detect unsupported state, rather than when
> inheriting parent's result for SFs.
> 
> Signed-off-by: Maor Gottlieb <maorg@...dia.com>
> Reviewed-by: Michael Guralnik <michaelgur@...dia.com>
> Signed-off-by: Tariq Toukan <tariqt@...dia.com>

Reviewed-by: Simon Horman <horms@...nel.org>