Messages in this thread | | | Subject | Re: [PATCH/RFC] ppc64 livepatch: frameless klp_return_helper using odd TOC | From | Michael Ellerman <> | Date | Thu, 24 Mar 2016 22:06:26 +1100 |
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On Thu, 2016-03-24 at 09:04 +0100, Torsten Duwe wrote: > On Thu, Mar 24, 2016 at 01:23:01PM +1100, Balbir Singh wrote: > > On 24/03/16 02:58, Torsten Duwe wrote: > > > > > > 1. Heuristics are bad. The better they are, the more subtly the > > > way they might fail. > [...]
> > This CR+4 code leaves only 1 slot, so sibling calls are extremely dangerous, > as I mentioned. But with a little attention, this patch works very well. > > I mostly wanted to hear opinions about a transient odd TOC value > before I start polishing.
Hi Torsten,
I just posted the version I've been working on. I prefer it, but you'll probably tell me that there's some horrible case it doesn't handle correctly :)
cheers
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