From: Vincent Mailhol <mailhol@kernel.org>
To: Philip Li <philip.li@intel.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Chris Li <sparse@chrisli.org>, Al Viro <viro@zeniv.linux.org.uk>
Cc: David Laight <david.laight.linux@gmail.com>,
kernel test robot <lkp@intel.com>,
Nathan Chancellor <nathan@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@kernel.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Arnd Bergmann <arnd@arndb.de>,
linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
Yury Norov <yury.norov@gmail.com>,
Jani Nikula <jani.nikula@intel.com>,
Kees Cook <keescook@chromium.org>,
Andrew Morton <akpm@linux-foundation.org>,
oe-kbuild-all@lists.linux.dev,
Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [PATCH next 11/14] bit: Strengthen compile-time tests in GENMASK() and BIT()
Date: Fri, 23 Jan 2026 09:01:04 +0100 [thread overview]
Message-ID: <b49c9993-7676-4d33-a2d6-9f6b77b0fd34@kernel.org> (raw)
In-Reply-To: <aXLOELiIG8MHKcIO@rli9-mobl>
Adding the relevant parties to the discussion:
+To: Al Viro
+To: Chris Li
On 23/01/2026 at 02:25, Philip Li wrote:
> On Thu, Jan 22, 2026 at 04:26:44PM +0200, Andy Shevchenko wrote:
>> On Thu, Jan 22, 2026 at 10:33:37AM +0000, David Laight wrote:
>>> On Thu, 22 Jan 2026 12:41:22 +0800
>>> kernel test robot <lkp@intel.com> wrote:
>>
>>>> sparse warnings: (new ones prefixed by >>)
>>>> kernel/kthread.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
>>>>>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
>>>
>>> Can we stop sparse complaining about sizeof(VLA) ?
>>
>> First of all, the LKP should install the fork of sparse by Al Viro. That will
>> fix tons of warnings that are related to modules and speed up the process
>> itself.
>
> Thanks Andy, i will switch to the repo from Al Viro for sparse.
Al Viro's fork just adds 8 commit on top of the upstream sparse repo.
Wouldn't it be possible to just merge those?
That would be much less confusing.
Yours sincerely,
Vincent Mailhol
next prev parent reply other threads:[~2026-01-23 8:01 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-21 14:57 [PATCH next 00/14] bits: De-bloat expansion of GENMASK() david.laight.linux
2026-01-21 14:57 ` [PATCH next 01/14] overflow: Reduce expansion of __type_max() david.laight.linux
2026-01-21 20:59 ` Kees Cook
2026-02-02 16:45 ` Yury Norov
2026-01-21 14:57 ` [PATCH next 02/14] kbuild: Add W=c for additional compile time checks david.laight.linux
2026-02-02 18:33 ` Yury Norov
2026-02-02 20:07 ` David Laight
2026-02-03 4:47 ` Nathan Chancellor
2026-02-03 11:14 ` David Laight
2026-02-03 19:41 ` Yury Norov
2026-01-21 14:57 ` [PATCH next 03/14] media: videobuf2-core: Use static_assert() for sanity check david.laight.linux
2026-01-21 14:57 ` [PATCH next 04/14] media: atomisp: " david.laight.linux
2026-01-21 14:57 ` [PATCH next 05/14] ixgbevf: Use C test for PAGE_SIZE > IXGBE_MAX_DATA_PER_TXD david.laight.linux
2026-01-23 15:44 ` Simon Horman
2026-01-21 14:57 ` [PATCH next 06/14] asm-generic: include linux/bits.h not vdso/bits.h david.laight.linux
2026-01-21 14:57 ` [PATCH next 07/14] x86/tlb: " david.laight.linux
2026-01-21 14:57 ` [PATCH next 08/14] bits: simplify GENMASK_TYPE() david.laight.linux
2026-02-08 2:36 ` Yury Norov
2026-02-09 9:42 ` David Laight
2026-01-21 14:57 ` [PATCH next 09/14] bits: Change BIT_U8/16() and GENMASK_U8/16() to have unsigned values david.laight.linux
2026-01-21 14:57 ` [PATCH next 10/14] bits: Fix assmebler expansions of GENMASK_Uxx() and BIT_Uxx() david.laight.linux
2026-02-08 3:31 ` Yury Norov
2026-02-08 11:42 ` David Laight
2026-02-08 21:20 ` Yury Norov
2026-02-08 22:27 ` David Laight
2026-01-21 14:57 ` [PATCH next 11/14] bit: Strengthen compile-time tests in GENMASK() and BIT() david.laight.linux
2026-01-21 18:43 ` Vincent Mailhol
2026-01-21 19:14 ` David Laight
2026-01-22 1:11 ` kernel test robot
2026-01-22 10:25 ` David Laight
2026-01-22 20:10 ` David Laight
2026-01-22 4:41 ` kernel test robot
2026-01-22 10:33 ` David Laight
2026-01-22 14:26 ` Andy Shevchenko
2026-01-22 14:55 ` David Laight
2026-01-23 1:25 ` Philip Li
2026-01-23 8:01 ` Vincent Mailhol [this message]
2026-01-23 8:11 ` Andy Shevchenko
2026-01-23 8:20 ` Al Viro
2026-01-23 8:24 ` Andy Shevchenko
2026-01-23 8:32 ` Vincent Mailhol
2026-01-23 8:46 ` Andy Shevchenko
2026-01-23 1:24 ` Philip Li
2026-01-21 14:57 ` [PATCH next 12/14] bits: move the defitions of BIT() and BIT_ULL() back to linux/bits.h david.laight.linux
2026-01-21 15:17 ` Thomas Weißschuh
2026-01-21 19:24 ` David Laight
2026-01-22 7:39 ` Thomas Weißschuh
2026-01-22 0:50 ` kernel test robot
2026-01-22 1:23 ` kernel test robot
2026-01-22 10:30 ` David Laight
2026-02-07 22:40 ` Thomas Gleixner
2026-02-08 4:23 ` Yury Norov
2026-01-21 14:57 ` [PATCH next 13/14] test_bits: Change all the tests to be compile-time tests david.laight.linux
2026-02-08 4:37 ` Yury Norov
2026-02-08 11:32 ` David Laight
2026-01-21 14:57 ` [PATCH next 14/14] test_bits: include some invalid input tests for GENMASK_INPUT_CHECK() david.laight.linux
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