Messages in this thread | | | From | Andy Lutomirski <> | Date | Mon, 24 Nov 2014 17:54:47 -0800 | Subject | Re: IST stack patches v3.5 |
| |
On Mon, Nov 24, 2014 at 5:52 PM, Andy Lutomirski <luto@amacapital.net> wrote: > I've tagged v3.5 of my paranoid stack code. It's in a strange state right now: >
https://git.kernel.org/cgit/linux/kernel/git/luto/linux.git/tag/?h=x86/paranoid&id=paranoid-stack-v3.5
--Andy
> Patch 1 (the actual stack switching) is standalone. It's not really a > good base for the memory failure stuff, because all of the ist_enter > stuff is missing. It should *work*, but the result will be ugly. > OTOH, it should be okay as a base for fsgsbase. > > Patch 2 is from Paul McKenney. It fixes RCU NMI nesting, which is a > prerequisite for ist_enter. I think that the current plan is for that > to happen in 3.20. Speak up if you want it sooner. > > Patch 4 is purely for testing. It forces "NMIs" to nest. > > "x86, mce: Improve timeout error messages" is in there so I don't > forget about it. Tony and Borislav, if you like it, want to pick it > up? It really has very little to do with the rest of this code. > > The remainder of the non-atomic IST stuff is in there in a plausibly > final form, but it's oddly based. > > --Andy > > > -- > Andy Lutomirski > AMA Capital Management, LLC
-- Andy Lutomirski AMA Capital Management, LLC
| |