[PATCH v2 3/3] sched/wait: avoid double initialization in ___wait_event()
Greg Kroah-Hartman
gregkh at linuxfoundation.org
Mon Mar 2 18:39:54 UTC 2020
On Mon, Mar 02, 2020 at 07:03:19PM +0100, Alexander Potapenko wrote:
> > > case BINDER_SET_MAX_THREADS: {
> > > - int max_threads;
> > > + int max_threads __no_initialize;
> >
> > Is this really needed? A single integer in a rarely called ioctl()
> > being initialized twice doesn't warrant this optimization.
>
> It really does not, and I didn't have this bit in v1.
> But if we don't want this diff to bit rot, we'd better have a
> Coccinelle script generating it.
> The script I added to the description of patch 2/3 introduced this
> annotation, and I thought keeping it is better than trying to teach
> the script about the size of the arguments.
Please fix the script, don't add stuff to the kernel that is not needed.
thanks,
greg k-h
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