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

[Matthias Kaehlcke]

On Tue, Jun 19, 2018 at 07:13:41PM +0200, Paolo Bonzini wrote:
> On 19/06/2018 19:08, Nick Desaulniers wrote:
> >> This one really makes the code uglier though, so I'm not really inclined
> >> to applying the patch.
> > Note that of the three variables (w, u, x), only u is used later on.
> > What about declaring them as negated with the cast, that way there's
> > no cast in a ternary?
> 
> I still find it inferior, but I guess it's at least acceptable.  I
> prefer not_{x,w,u} though. :)

Thanks Nick and Paolo for the suggestions, I'll sent an updated
version soon.