Date: Tue, 02 Jan 2018 14:12:49 -0500 (EST)
Message-Id: <20180102.141249.292473471143145928.davem@davemloft.net>
To: ncardwell@google.com
Cc: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
        torvalds@linux-foundation.org, akpm@linux-foundation.org,
        linux@roeck-us.net, shuahkh@osg.samsung.com, patches@kernelci.org,
        ben.hutchings@codethink.co.uk, lkft-triage@lists.linaro.org,
        stable@vger.kernel.org, ycheng@google.com, soheil@google.com,
        edumazet@google.com
Subject: Re: [PATCH 4.9 00/75] 4.9.74-stable review
From: David Miller <davem@davemloft.net>
In-Reply-To: <CADVnQy==9w578nEYrxk3r8XfRhjh7-+-AqWBf7RCVkFc98j=fg@mail.gmail.com>
References: <CADVnQy=HOCkOKNLAvDv9BL6zRF7sjnrFBE9Qy+rivkzRwTPc=Q@mail.gmail.com>
        <20180102.133200.293358868256951664.davem@davemloft.net>
        <CADVnQy==9w578nEYrxk3r8XfRhjh7-+-AqWBf7RCVkFc98j=fg@mail.gmail.com>
Mime-Version: 1.0
Content-Type: Text/Plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org

From: Neal Cardwell <ncardwell@google.com>
Date: Tue, 2 Jan 2018 14:11:25 -0500

> Looks like these 2 patches will cherry-pick cleanly if cherry-picked
> in the following sequence, on top of 4.9.74-rc1, which already has
> 6c9e73ef9aa7 ("tcp_bbr: record "full bw reached" decision in new
> full_bw_reached bit"):
> 
> $ git checkout linux-stable-rc/linux-4.9.y
> 
> $ git cherry-pick 2f6c498e4f15
> Performing inexact rename detection: 100% (17803152/17803152), done.
> [detached HEAD 0982234c57e1] tcp_bbr: reset full pipe detection on
> loss recovery undo
>  Date: Thu Dec 7 12:43:31 2017 -0500
>  1 file changed, 4 insertions(+)
> 
> $ git cherry-pick 600647d467c6
> Performing inexact rename detection: 100% (17803152/17803152), done.
> [detached HEAD 7e866eccd083] tcp_bbr: reset long-term bandwidth
> sampling on loss recovery undo
>  Date: Thu Dec 7 12:43:32 2017 -0500
>  1 file changed, 1 insertion(+)
> 
> $ git log --oneline --decorate | head -3
> 7e866eccd083 (HEAD) tcp_bbr: reset long-term bandwidth sampling on
> loss recovery undo
> 0982234c57e1 tcp_bbr: reset full pipe detection on loss recovery undo
> 79070be7f1ae (linux-stable-rc/linux-4.9.y) Linux 4.9.74-rc1
> 
> I verified that this compiles without warnings, and boots, and BBR works.
> 
> Shall I prepare another version of these 2 patches, or do we think
> this recipe will be sufficient? (Sorry I am not more familiar with the
> backport-to-stable process.)

If this works and Greg is OK with it, I am fine with it too.