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Date:   Tue, 28 Feb 2023 19:24:28 -0800
From:   Jakub Kicinski <kuba@kernel.org>
To:     Tony Lu <tonylu@linux.alibaba.com>
Cc:     "D. Wythe" <alibuda@linux.alibaba.com>, kgraul@linux.ibm.com,
        wenjia@linux.ibm.com, jaka@linux.ibm.com, ast@kernel.org,
        daniel@iogearbox.net, andrii@kernel.org, davem@davemloft.net,
        netdev@vger.kernel.org, linux-s390@vger.kernel.org,
        linux-rdma@vger.kernel.org, bpf@vger.kernel.org
Subject: Re: [PATCH bpf-next v3 0/4] net/smc: Introduce BPF injection
 capability
Message-ID: <20230228192428.447ceddc@kernel.org>
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References: <1677576294-33411-1-git-send-email-alibuda@linux.alibaba.com>
        <20230228150051.4eeaa121@kernel.org>
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On Wed, 1 Mar 2023 10:41:57 +0800 Tony Lu wrote:
> Actually, this patch set is going to replace the patch of TCP ULP for
> SMC. If this patch set is accepted, I am going to revert that patch.
> 
> For the reasons, the TCP ULP for SMC doesn't use wildly. It's not
> possible to know which applications are suitable to be replaced with
> SMC. But it's easier to detect the behavior of applications and
> determine whether to replace applications with SMC. And this patch set
> is going to fallback to TCP by behavior with eBPF.
> 
> So this is the _fix_ for that patch.

Good to hear, I was worried you'd still want to install the ULP at some
point whether the decision is via BPF or user space.