[Intel-gfx] [PATCH] Make is_signed_type() simpler

[Alexey Dobriyan]

On Sun, Sep 29, 2019 at 04:15:31PM -0400, Steven Rostedt wrote:
> On Sun, 29 Sep 2019 23:06:19 +0300
> Alexey Dobriyan <adobriyan at gmail.com> wrote:
> 
> > * Simply compare -1 with 0,
> > * Drop unnecessary parenthesis sets
> > 
> > New macro leaves pointer as "unsigned type" but gives a warning,
> > which should be fine because asking whether a pointer is signed is
> > strange question.
> > 
> > I'm not sure what's going on in the i915 driver, it is shipping kernel
> > pointers to userspace.
> 
> This tells us what the patch does, not why.

Check the subject line.