Messages in this thread | | | From | Nadav Amit <> | Subject | Re: [PATCH v2 0/5] x86/percpu semantics and fixes | Date | Thu, 13 Jun 2019 18:49:49 +0000 |
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> On Jun 13, 2019, at 6:54 AM, Peter Zijlstra <peterz@infradead.org> wrote: > > Hi all, > > I still have these patches sitting in my queue and figured I'd repost them. > > Last time Linus proposed a "+m" alternative approach, but that generates far > far worse code (I've lost the patch and not re-ran those numbers, but I suppose > I can redo if found important).
I remember I tried it as well and got the same results.
> These patches have been through 0day for a while.
Finally, I would not need to cache smp_processor_id() on the stack when it is used multiple times… | |