Messages in this thread | | | From | Linus Torvalds <> | Date | Sun, 3 Sep 2023 14:08:58 -0700 | Subject | Re: [PATCH v2] x86: bring back rep movsq for user access on CPUs without ERMS |
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On Sun, 3 Sept 2023 at 14:06, Mateusz Guzik <mjguzik@gmail.com> wrote: > > I don't think it is *that* bad. I did a quick sanity check on that > front by rolling with bpftrace on cases which pass AT_EMPTY_PATH *and* > provide a path.
I guess you are right - nobody sane would use AT_EMPTY_PATH except if they don't have a path.
Of course, the only reason we're discussing this in the first place is because people are doing insane things, which makes _that_ particular argument very weak indeed...
Linus
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