Re: generate backport

Hauke Mehrtens <[email protected]> Sun, 24 May 2020 17:53:51 +0200
Newsgroups	org.kernel.vger.backports
Message-ID	<[email protected]>
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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