Re: [PATCH v3 3/4] arm/syscalls: Optimize address limit check

2017-09-05 Thread Leonard Crestez
On Tue, 2017-08-29 at 12:54 -0700, Kees Cook wrote: > On Tue, Aug 29, 2017 at 7:32 AM, Thomas Garnier wrote: > > On Tue, Aug 22, 2017 at 9:42 AM, Thomas Garnier wrote: > > > On Mon, Aug 14, 2017 at 2:37 PM, Thomas Garnier > > > wrote: > > > > > > > > Disable the generic address limit check in

Re: [PATCH v3 3/4] arm/syscalls: Optimize address limit check

2017-08-29 Thread Kees Cook
On Tue, Aug 29, 2017 at 7:32 AM, Thomas Garnier wrote: > On Tue, Aug 22, 2017 at 9:42 AM, Thomas Garnier wrote: >> On Mon, Aug 14, 2017 at 2:37 PM, Thomas Garnier wrote: >>> Disable the generic address limit check in favor of an architecture >>> specific optimized implementation. The generic imp

Re: [PATCH v3 3/4] arm/syscalls: Optimize address limit check

2017-08-29 Thread Thomas Garnier
On Tue, Aug 22, 2017 at 9:42 AM, Thomas Garnier wrote: > On Mon, Aug 14, 2017 at 2:37 PM, Thomas Garnier wrote: >> Disable the generic address limit check in favor of an architecture >> specific optimized implementation. The generic implementation using >> pending work flags did not work well wit

Re: [PATCH v3 3/4] arm/syscalls: Optimize address limit check

2017-08-22 Thread Thomas Garnier
On Mon, Aug 14, 2017 at 2:37 PM, Thomas Garnier wrote: > Disable the generic address limit check in favor of an architecture > specific optimized implementation. The generic implementation using > pending work flags did not work well with ARM and alignment faults. > > The address limit is checked