netdev - Re: [PATCH net-next 4/4] ibmvnic: Make max subcrq indirect entries tunable via module param

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Message-ID: <20250701183107.6f6411c1@kernel.org>
Date: Tue, 1 Jul 2025 18:31:07 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Mingming Cao <mmc@...ux.ibm.com>
Cc: netdev@...r.kernel.org, bjking1@...ux.ibm.com, haren@...ux.ibm.com,
 ricklind@...ux.ibm.com
Subject: Re: [PATCH net-next 4/4] ibmvnic: Make max subcrq indirect entries
 tunable via module param

On Mon, 30 Jun 2025 16:48:06 -0700 Mingming Cao wrote:
> This patch increased the default of max subcrq indirect entries ,
> and introduces a way to tune the maximum number of indirect
> subcrq descriptors via a module parameter. The default now is set to 128,
> as supported on P9, allowing for better throughput performance on
> large system workloads while maintaining flexibility to fall back
> to a smaller maximum limit on P8 or systems with limited memory resources

Module parameters are strongly discouraged. Please provide more details
about what this parameter does, I supposed it should be mapped to on of
the ethtool -g options.
-- 
pw-bot: cr