Messages in this thread | | | Date | Mon, 12 Mar 2018 18:41:20 +0100 | From | Ingo Molnar <> | Subject | Re: [tip:x86/mm] x86/boot/compressed/64: Describe the logic behind the LA57 check |
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* Linus Torvalds <torvalds@linux-foundation.org> wrote:
> But regardless, I think we're better off with a "wait and see" approach. > > IOW, try to use 5-level whenever possible for now, and _if_ somebody actually > can show that 4-level page tables perform better or have some other advantage, > we can then try to be clever later when it's all tested and it's just an > optimization, not a "that code won't even run normally and gets basically zero > coverage".
Ok, fair enough - and the testing argument makes sense as well.
Thanks,
Ingo
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