linux-kernel - Re: [PATCH] scripts/gdb: fix python 3.8 SyntaxWarning

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Date:   Wed, 05 Aug 2020 16:04:51 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Jan Kiszka <jan.kiszka@...mens.com>,
        Kieran Bingham <kbingham@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Aymeric Agon-Rambosson <aymeric.agon@...dex.com>,
        linux-kernel@...r.kernel.org,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: Re: [PATCH] scripts/gdb: fix python 3.8 SyntaxWarning

Quoting Nick Desaulniers (2020-08-05 15:50:14)
> Fixes the observed warnings:
> scripts/gdb/linux/rbtree.py:20: SyntaxWarning: "is" with a literal. Did
> you mean "=="?
>   if node is 0:
> scripts/gdb/linux/rbtree.py:36: SyntaxWarning: "is" with a literal. Did
> you mean "=="?
>   if node is 0:
> 
> It looks like this is a new warning added in Python 3.8. I've only seen
> this once after adding the add-auto-load-safe-path rule to my ~/.gdbinit
> for a new tree.
> 
> Cc: Stephen Boyd <swboyd@...omium.org>
> Fixes: commit 449ca0c95ea2 ("scripts/gdb: add rb tree iterating utilities")
> Link: https://adamj.eu/tech/2020/01/21/why-does-python-3-8-syntaxwarning-for-is-literal/
> Signed-off-by: Nick Desaulniers <ndesaulniers@...gle.com>
> ---

Reviewed-by: Stephen Boyd <swboyd@...omium.org>