Messages in this thread | | | From | Linus Torvalds <> | Date | Sat, 3 Sep 2022 10:26:45 -0700 | Subject | Re: [PATCH v2 37/59] x86/putuser: Provide room for padding |
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On Fri, Sep 2, 2022 at 2:46 PM Linus Torvalds <torvalds@linux-foundation.org> wrote: > > Hmm. It doesn't look too horrible, but yeah, fi it still ends up > getting the same padding overhead I'm not sure it ends up really > mattering.
Oh, and I think it's buggy anyway.
If there are any tail-calls to a leaf function, the tracking now gets out of whack. So it's no longer a "don't bother counting the last level", now it ends up being a "count got off by one".
Oh well.
Linus
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