linux-kernel - Re: Backport dependencies helper

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Message-ID: <20200331140830.GN4189@sasha-vm>
Date:   Tue, 31 Mar 2020 10:08:30 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     Willy Tarreau <w@....eu>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: Backport dependencies helper

On Tue, Mar 31, 2020 at 03:44:00PM +0200, Willy Tarreau wrote:
>Hi Sasha,
>
>On Tue, Mar 31, 2020 at 08:32:17AM -0400, Sasha Levin wrote:
>> Each
>> directory represents a kernel version which we'll call K, and each file
>> inside that directory is named after an upstream commit we'll call C,
>> and it's content are the list of commits one would need to apply on top
>> of kernel K to "reach" commit C.
>
>That's very interesting! I still have nightmare-like memories or
>complete week-ends spent trying to address this using heuristics
>when I was maintaining 2.6.32 and 3.10. However how do you produce
>these ? Is this related to the stable-deps utility in your stable-tools
>repository ?

No, those tools try to do the same thing, but work differently.
stable-deps attempts to look at context lines surrounding the patch
itself to guess which other patches might be interesting.

While here, I use git-bisect to create a list of commits required to be
applied before any given commit.

-- 
Thanks,
Sasha