Messages in this thread | | | Date | Thu, 21 Jun 2018 15:43:52 -0700 | From | Fenghua Yu <> | Subject | Re: [RFC PATCH 00/16] x86/split_lock: Enable #AC exception for split locked accesses |
| |
On Fri, Jun 22, 2018 at 12:11:14AM +0200, Peter Zijlstra wrote: > On Thu, Jun 21, 2018 at 03:00:03PM -0700, Fenghua Yu wrote: > > The control knob for user is to choose killing the process (default) or > > re-executing the faulting instruction without blocking the process. > > Re-executing the instruction maybe be useful in platforms that run > > well controlled apps with less split locks. > > Just fix the applications. I doubt there will be many, many other > platforms will already SIGBUS on unaligned access, atomic or not.
Ok. I will just kill the process by SIGBUS and remove the control knob in the next version.
Thanks.
-Fenghua
| |