Re: [PATCH] kvm: x86: mmu: Add cast to negated bitmasks in update_permission_bitmask()

[Joe Perches]

On Tue, 2018-06-19 at 16:45 -0700, Matthias Kaehlcke wrote:
> On Tue, Jun 19, 2018 at 02:55:05PM -0700, Joe Perches wrote:
> > Well, you advocate to disable a possibly useful warning globally ...
> > You're advocating for making the code more complex/ugly for a
> > condition where the result is identical.
> My goal is no to make the code (slightly) more complex/ugly but have
> the rest of the kernel benefit from a possibly useful warning.

For what case in the kernel is this warning useful?