netdev - Re: [net-next 10/14] net/mlx5: Let user configure io_eq

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Message-ID: <20211026080535.1793e18c@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Tue, 26 Oct 2021 08:05:35 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Saeed Mahameed <saeed@...nel.org>
Cc:     "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Shay Drory <shayd@...dia.com>,
        Moshe Shemesh <moshe@...dia.com>,
        Parav Pandit <parav@...dia.com>,
        Saeed Mahameed <saeedm@...dia.com>
Subject: Re: [net-next 10/14] net/mlx5: Let user configure io_eq_size param

On Mon, 25 Oct 2021 13:54:27 -0700 Saeed Mahameed wrote:
> From: Shay Drory <shayd@...dia.com>
> 
> Currently, each I/O EQ is taking 128KB of memory. This size
> is not needed in all use cases, and is critical with large scale.
> Hence, allow user to configure the size of I/O EQs.
> 
> For example, to reduce I/O EQ size to 64, execute:
> $ devlink resource set pci/0000:00:0b.0 path /io_eq_size/ size 64
> $ devlink dev reload pci/0000:00:0b.0

This sort of config is needed by more drivers,
we need a standard way of configuring this.

Sorry, I didn't have the time to look thru your patches
yesterday, I'm sending a revert for all your new devlink
params.