netdev - Re: [PATCH net-next 1/4] i40e: avoid spin loop in i40e_asq_send

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Message-ID: <20211027090103.33e06b78@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Wed, 27 Oct 2021 09:01:03 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Tony Nguyen <anthony.l.nguyen@...el.com>
Cc:     davem@...emloft.net, Caleb Sander <csander@...estorage.com>,
        netdev@...r.kernel.org, sassmann@...hat.com,
        Joern Engel <joern@...estorage.com>,
        Tony Brelinski <tony.brelinski@...el.com>
Subject: Re: [PATCH net-next 1/4] i40e: avoid spin loop in
 i40e_asq_send_command()

On Mon, 25 Oct 2021 10:55:05 -0700 Tony Nguyen wrote:
> +			cond_resched();
>  			udelay(50);

Why not switch to usleep_range() if we can sleep here?