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

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

On Fri, Jan 23, 2026 at 09:01:04AM +0100, Vincent Mailhol wrote:
> 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?

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 :-)

-- 
With Best Regards,
Andy Shevchenko