On Thu, Mar 7, 2019 at 7:40 AM Leon Romanovsky <leonro@xxxxxxxxxxxx> wrote: > > On Thu, Mar 07, 2019 at 06:53:54AM -0800, Bart Van Assche wrote: > > On 3/6/19 11:24 PM, Leon Romanovsky wrote: > > > My simple patch passes too :). > > > > Can you repost your patch? > > https://patchwork.kernel.org/patch/10841079/ > > As Rasmus wrote, the thing is to avoid a < 0 check. In my patch, > I converted a <= 0 to !(a > 0 || a == 0) expression. I'd be happy either way. Is there a larger benefit to having a safe "is_non_negative()" helper, or should we go with the minimal change to the shl macro? -Kees -- Kees Cook
