linux-kernel - Re: [PATCH 4.19 425/425] scripts: switch explicitly to Python 3

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Message-ID: <YNQWLNoMznAxx5+b@kroah.com>
Date:   Thu, 24 Jun 2021 07:20:44 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Pavel Machek <pavel@....cz>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Masahiro Yamada <masahiroy@...nel.org>
Subject: Re: [PATCH 4.19 425/425] scripts: switch explicitly to Python 3

On Wed, Jun 23, 2021 at 10:25:29PM +0200, Pavel Machek wrote:
> On Fri 2021-05-21 06:37:00, Greg Kroah-Hartman wrote:
> > On Fri, May 21, 2021 at 06:36:18AM +0200, Greg Kroah-Hartman wrote:
> > > On Thu, May 20, 2021 at 10:36:26PM +0200, Pavel Machek wrote:
> > > > Hi!
> > > > 
> > > > > From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> > > > > 
> > > > > commit 51839e29cb5954470ea4db7236ef8c3d77a6e0bb upstream.
> > > > > 
> > > > > Some distributions are about to switch to Python 3 support only.
> > > > > This means that /usr/bin/python, which is Python 2, is not available
> > > > > anymore. Hence, switch scripts to use Python 3 explicitly.
> > > > 
> > > > I'd say this is unsuitable for -stable.
> > > > 
> > > > Old distributions may not have python3 installed, and we should not
> > > > change this dependency in the middle of the series.
> > > 
> > > What distro that was released in 2017 (the year 4.14.0 was released) did
> > > not have python3 on it?
> > 
> > oops, I meant 2018, when 4.19.0 was out, wrong tree...
> 
> In anything yocto-based, for example, you explicitely select which
> packages you want. And changing dependencies in middle of stable
> release is surprising and against our documentation.

Yocto documentation does not dictate kernel development processes.

good luck!

greg k-h