linux-kernel - Re: [PATCH 4.9 00/75] 4.9.74-stable review

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Date:   Tue, 2 Jan 2018 17:31:59 -0500
From:   Neal Cardwell <ncardwell@...gle.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     David Miller <davem@...emloft.net>,
        LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>, linux@...ck-us.net,
        shuahkh@....samsung.com, patches@...nelci.org,
        ben.hutchings@...ethink.co.uk, lkft-triage@...ts.linaro.org,
        stable@...r.kernel.org, Yuchung Cheng <ycheng@...gle.com>,
        Soheil Hassas Yeganeh <soheil@...gle.com>,
        Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH 4.9 00/75] 4.9.74-stable review

On Tue, Jan 2, 2018 at 3:08 PM, Greg KH <gregkh@...uxfoundation.org> wrote:
> On Tue, Jan 02, 2018 at 02:11:25PM -0500, Neal Cardwell wrote:
...
>> Thanks, Greg and David. 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.)
>
> That works, those two patches are now queued up for the next stable
> release, thanks!
>
> greg k-h

Great. Thank you, Greg and David!

neal