linux-kernel - Re: [PATCH next 11/14] bit: Strengthen compile-time tests in GENMASK() and BIT()

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Message-ID: <f9fcd1c6-373c-4345-b413-9bb6c1cd2d3a@kernel.org>
Date: Fri, 23 Jan 2026 09:32:39 +0100
From: Vincent Mailhol <mailhol@...nel.org>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
 Al Viro <viro@...iv.linux.org.uk>, Chris Li <sparse@...isli.org>
Cc: Vincent Mailhol <mailhol@...nel.org>, Philip Li <philip.li@...el.com>,
 David Laight <david.laight.linux@...il.com>,
 kernel test robot <lkp@...el.com>, Nathan Chancellor <nathan@...nel.org>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Thomas Gleixner <tglx@...utronix.de>, Peter Zijlstra <peterz@...radead.org>,
 Ingo Molnar <mingo@...nel.org>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
 Arnd Bergmann <arnd@...db.de>, linux-arch@...r.kernel.org,
 linux-kernel@...r.kernel.org, Yury Norov <yury.norov@...il.com>,
 Jani Nikula <jani.nikula@...el.com>, Kees Cook <keescook@...omium.org>,
 Andrew Morton <akpm@...ux-foundation.org>, oe-kbuild-all@...ts.linux.dev,
 Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: [PATCH next 11/14] bit: Strengthen compile-time tests in
 GENMASK() and BIT()

On 23/01/2026 at 09:24, Andy Shevchenko wrote:
> On Fri, Jan 23, 2026 at 08:20:27AM +0000, Al Viro wrote:
>> On Fri, Jan 23, 2026 at 10:11:19AM +0200, Andy Shevchenko wrote:
>>
>>>> Al Viro's fork just adds 8 commit on top of the upstream sparse repo.
>>>> Wouldn't it be possible to just merge those?
>>>
>>> Ideally yes, but you also should kick the distro's asses to update it, and
>>> the sparse should bump its version...
>>>
>>>> That would be much less confusing.
>>>
>>> Seems Al become a sparse maintainer de facto :-)
>>
>> Huh?  What happened to Chris?

After the project hiatus, I can imagine that there is some confusion :)

But Chris is back in his role of maintainer since September 2025. See:

  - https://lore.kernel.org/linux-sparse/CACePvbXDO1ZybDu3RaFhED9D-9gC6LTMpWrxoh5xD+ZO5SLdzA@mail.gmail.com/
  - https://git.kernel.org/pub/scm/devel/sparse/sparse.git/commit/?id=67f0a03cee4637e495151c48a02be642a158cbbb

> I don't know, but upstream sparse haven't applied any solution for
> MODULE*("FOO") stuff, nor reaction on my ping in that discussion
> (I did it like week or so ago).

I am out of context here, but were the correct people CCed?


Yours sincerely,
Vincent Mailhol