netdev - Re: [PATCH net-next 3/3] bnxt: use new queue try_stop/try

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Date:   Sat, 1 Apr 2023 11:35:03 -0700
From:   Michael Chan <michael.chan@...adcom.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     davem@...emloft.net, netdev@...r.kernel.org, edumazet@...gle.com,
        pabeni@...hat.com
Subject: Re: [PATCH net-next 3/3] bnxt: use new queue try_stop/try_wake macros

On Fri, Mar 31, 2023 at 10:12 PM Jakub Kicinski <kuba@...nel.org> wrote:
>
> Convert bnxt to use new macros rather than open code the logic.
> Two differences:
> (1) bnxt_tx_int() will now only issue a memory barrier if it sees
>     enough space on the ring to wake the queue. This should be fine,
>     the mb() is between the writes to the ring pointers and checking
>     queue state.
> (2) we'll start the queue instead of waking on race, this should
>     be safe inside the xmit handler.
>

Reviewed that these 2 differences should be fine.  Thanks.

Reviewed-by: Michael Chan <michael.chan@...adcom.com>

> Signed-off-by: Jakub Kicinski <kuba@...nel.org>
> ---
> CC: michael.chan@...adcom.com
> ---

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