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List:       linux-backports
Subject:    Re: generate backport
From:       Hauke Mehrtens <hauke () hauke-m ! de>
Date:       2020-05-24 15:53:51
Message-ID: 23beda14-d3c3-4542-d733-b6c86a244cbe () hauke-m ! de
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On 5/24/20 5:39 PM, Shetu Ayalew wrote:
> Hi, 
> 
> I'm trying to create backport based on the backport project. I followed the \
> instructions here - \
> https://backports.wiki.kernel.org/index.php/Documentation/backports/hacking.  
> I'm using the latest versions of linux-next tree and backports tree and I also \
> installed the latest version of the coccinelle. I did checkout on both trees (of \
> linux-next tree and backports) to many different tags (the last I tryed on was \
>                 v5.3.6-1). Then I run:
> ./gentree.py --clean --git-revision v5.3.6-1 /path/to/your/linux-next \
> /path/to/your/newly/created/release 
> But in all the cases there was always patches that created parsing error. For \
> example on the last tag I got error in patch 0049-no-pfmemalloc/no-pfmemalloc.cocci \
>                 with the following message:
> init_defs_builtins: /usr/local/bin/../lib/coccinelle/standard.h
> minus: parse error: 
> File "/.autodirect/swgwork/shetu/upstream/backports/patches/0049-no-pfmemalloc/no-pfmemalloc.cocci", \
> line 7, column 4, charpos = 90 around = 'page_is_pfmemalloc',
> whole content =   || page_is_pfmemalloc(page)
> 
> which is not much informative, I'm not sure where is the problem.   I also checked \
> this file on master branch and other branches Is it possible you give me two tags \
> (one for the linux-next tree and one for the backport) where the backport should \
> work so I will be able to try it. 
> Thanks, 
> Shetu

Hi Shetu,

Currently backports does not work with linux-next, we do not have the
resources to maintain backports on linux-next any more, so we only
target Linus RC releases, 5.7-rc3 is the latest one, so you should use
that one instead of linux-next.

I am using coccinelle 1.0.7 and for me it currently works, I also do not
like the error messages.

I had a look at the patch and you can probably remove it anyway, it is
for kernel < 3.6 and this is not supported anyway.

Hauke


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