netdev - Re: [PATCH net] net/tcp: use deferred jump label for TCP acked data hook

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Date:   Thu, 9 May 2019 10:08:05 -0700
From:   Eric Dumazet <edumazet@...gle.com>
To:     David Miller <davem@...emloft.net>
Cc:     Jakub Kicinski <jakub.kicinski@...ronome.com>,
        oss-drivers@...ronome.com, netdev <netdev@...r.kernel.org>,
        simon.horman@...ronome.com
Subject: Re: [PATCH net] net/tcp: use deferred jump label for TCP acked data hook

On Thu, May 9, 2019 at 9:46 AM David Miller <davem@...emloft.net> wrote:
>
> From: Jakub Kicinski <jakub.kicinski@...ronome.com>
> Date: Wed,  8 May 2019 16:46:14 -0700
>
> > User space can flip the clean_acked_data_enabled static branch
> > on and off with TLS offload when CONFIG_TLS_DEVICE is enabled.
> > jump_label.h suggests we use the delayed version in this case.
> >
> > Deferred branches now also don't take the branch mutex on
> > decrement, so we avoid potential locking issues.
> >
> > Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
> > Reviewed-by: Simon Horman <simon.horman@...ronome.com>
>
> Eric, please review.

This looks fine (and nice), thanks.

Reviewed-by: Eric Dumazet <edumazet@...gle.com>