linux-kernel - Re: [PATCH 5.5 102/170] scripts/dtc: Remove redundant YYLOC global declaration

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Date:   Tue, 31 Mar 2020 13:45:09 +0200
From:   Dirk Müller <dmueller@...e.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     Nathan Chancellor <natechancellor@...il.com>,
        <linux-kernel@...r.kernel.org>, <stable@...r.kernel.org>,
        David Gibson <david@...son.dropbear.id.au>,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH 5.5 102/170] scripts/dtc: Remove redundant YYLOC global
 declaration

Hi Greg,

>> $ sed -i 's;scripts/dtc/dtc-lexer.l;scripts/dtc/dtc-lexer.lex.c_shipped;g' \
>> queue-{4.4,4.9,4.14}/scripts-dtc-remove-redundant-yyloc-global-declaration.patch
>> If you would prefer a set of patches, let me know.
> Should I just drop the patch from 4.4, 4.9, and 4.14 instead?

as the original author of the patch, I am not sure why it was backported to the LTS releases (unless enablement for gcc 10.x or
other new toolchains is a requirement, which I'm not aware of). 

However I think the sed above on the *patch* means that the patch will *only* modify the generated sources, not the input sources. I think
it would be better to patch both *input* and *generated* sources, or backport the generate-at-runtime patch as well (which might be
even further outside the stable policy). 

Not knowing why it was backported, I would suggest to just dequeue the patch from the older trees. 

Greetings,
Dirk