Re: [PATCH][RFA/RFC] Stack clash mitigation patch 01/08 V2

2017-07-24 Thread Jeff Law
On 07/24/2017 02:57 AM, Segher Boessenkool wrote: >> Sadly, there's no way short of listing them and keeping that list >> up-to-date over time by hand. If we want to do that, I would suggest >> we note the processors with full support as well as those with partial >> support using the

Re: [PATCH][RFA/RFC] Stack clash mitigation patch 01/08 V2

2017-07-24 Thread Segher Boessenkool
On Fri, Jul 21, 2017 at 11:36:05AM -0600, Jeff Law wrote: > On 07/20/2017 07:23 AM, Segher Boessenkool wrote: > > On Tue, Jul 18, 2017 at 11:17:19PM -0600, Jeff Law wrote: > > I think the documentation for the new option should say this only > > provides partial protection on targets that do not

Re: [PATCH][RFA/RFC] Stack clash mitigation patch 01/08 V2

2017-07-21 Thread Jeff Law
On 07/20/2017 07:23 AM, Segher Boessenkool wrote: > Hi Jeff, > > On Tue, Jul 18, 2017 at 11:17:19PM -0600, Jeff Law wrote: >> >> The biggest change in this update to patch 01/08 is moving of stack >> clash protection out of -fstack-check= and into its own option, >> -fstack-clash-protection. I

Re: [PATCH][RFA/RFC] Stack clash mitigation patch 01/08 V2

2017-07-20 Thread Segher Boessenkool
Hi Jeff, On Tue, Jul 18, 2017 at 11:17:19PM -0600, Jeff Law wrote: > > The biggest change in this update to patch 01/08 is moving of stack > clash protection out of -fstack-check= and into its own option, > -fstack-clash-protection. I believe other issues raised by reviewers > have been

[PATCH][RFA/RFC] Stack clash mitigation patch 01/08 V2

2017-07-18 Thread Jeff Law
The biggest change in this update to patch 01/08 is moving of stack clash protection out of -fstack-check= and into its own option, -fstack-clash-protection. I believe other issues raised by reviewers have been addressed as well. -- This patch introduces a new option -fstack-clash-protection