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From: Willy Tarreau <w@1wt.eu>
To: Joe Perches <joe@perches.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Matthew Wilcox <willy@infradead.org>,
	Dwaipayan Ray <dwaipayanray1@gmail.com>,
	LukasBulwahn <lukas.bulwahn@gmail.com>,
	linux-doc@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kbuild@vger.kernel.org, linux-hardening@vger.kernel.org,
	linux-riscv@lists.infradead.org, netdev@vger.kernel.org,
	linux-csky@vger.kernel.org
Subject: Re: What is the oldest perl version being used with the kernel ? update oldest supported to 5.14 ?
Date: Fri, 20 Aug 2021 19:33:36 +0200	[thread overview]
Message-ID: <20210820173336.GA26130@1wt.eu> (raw)
In-Reply-To: <37ec9a36a5f7c71a8e23ab45fd3b7f20efd5da24.camel@perches.com>

On Fri, Aug 20, 2021 at 10:27:59AM -0700, Joe Perches wrote:
> Perl 5.8 is nearly 20 years old now.
> 
> https://en.wikipedia.org/wiki/Perl_5_version_history
> 
> checkpatch uses regexes that are incompatible with perl versions
> earlier than 5.10, but these uses are currently runtime checked
> and skipped if the perl version is too old.  This runtime checking
> skips several useful tests.
> 
> There is also some desire for tools like kernel-doc, checkpatch and
> get_maintainer to use a common library of regexes and functions:
> https://lore.kernel.org/lkml/YR2lexDd9N0sWxIW@casper.infradead.org/
> 
> It'd be useful to set the minimum perl version to something more modern.
> 
> I believe perl 5.14, now only a decade old, is a reasonable target.
> 
> Any objections or suggestions for a newer minimum version?

It's probably reasonable, even the Slackware 14.2 on my home PC, which
is starting to date, ships a 5.22.

Willy

WARNING: multiple messages have this Message-ID (diff)
From: Willy Tarreau <w@1wt.eu>
To: Joe Perches <joe@perches.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Matthew Wilcox <willy@infradead.org>,
	Dwaipayan Ray <dwaipayanray1@gmail.com>,
	LukasBulwahn <lukas.bulwahn@gmail.com>,
	linux-doc@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kbuild@vger.kernel.org, linux-hardening@vger.kernel.org,
	linux-riscv@lists.infradead.org, netdev@vger.kernel.org,
	linux-csky@vger.kernel.org
Subject: Re: What is the oldest perl version being used with the kernel ? update oldest supported to 5.14 ?
Date: Fri, 20 Aug 2021 19:33:36 +0200	[thread overview]
Message-ID: <20210820173336.GA26130@1wt.eu> (raw)
In-Reply-To: <37ec9a36a5f7c71a8e23ab45fd3b7f20efd5da24.camel@perches.com>

On Fri, Aug 20, 2021 at 10:27:59AM -0700, Joe Perches wrote:
> Perl 5.8 is nearly 20 years old now.
> 
> https://en.wikipedia.org/wiki/Perl_5_version_history
> 
> checkpatch uses regexes that are incompatible with perl versions
> earlier than 5.10, but these uses are currently runtime checked
> and skipped if the perl version is too old.  This runtime checking
> skips several useful tests.
> 
> There is also some desire for tools like kernel-doc, checkpatch and
> get_maintainer to use a common library of regexes and functions:
> https://lore.kernel.org/lkml/YR2lexDd9N0sWxIW@casper.infradead.org/
> 
> It'd be useful to set the minimum perl version to something more modern.
> 
> I believe perl 5.14, now only a decade old, is a reasonable target.
> 
> Any objections or suggestions for a newer minimum version?

It's probably reasonable, even the Slackware 14.2 on my home PC, which
is starting to date, ships a 5.22.

Willy

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  reply	other threads:[~2021-08-20 17:33 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-20 17:27 What is the oldest perl version being used with the kernel ? update oldest supported to 5.14 ? Joe Perches
2021-08-20 17:27 ` Joe Perches
2021-08-20 17:33 ` Willy Tarreau [this message]
2021-08-20 17:33   ` Willy Tarreau
2021-08-20 18:25 ` Matthew Wilcox
2021-08-20 18:25   ` Matthew Wilcox
2021-08-21  5:43   ` Kees Cook
2021-08-21  5:43     ` Kees Cook

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