On Fri, Jul 22, 2016 at 01:32:00AM +0200, Rafael J. Wysocki wrote: > On Fri, Jul 22, 2016 at 1:22 AM, Steve Muckle <steve.muc...@linaro.org> wrote: > > On Fri, Jul 22, 2016 at 01:22:22AM +0200, Rafael J. Wysocki wrote: > >> OK, applied. > > > > FWIW I do have a concern on this patch, I think it adds unnecessary > > overhead. > > It isn't unnecessary. It prevents an otherwise possible kernel crash > from happening.
The logic may not be unecessary, but the overhead is. The crash could be prevented in a way that doesn't require repeatedly checking a pointer that doesn't change.
