Does Fedora kernel/glibc support sysenter

[Yusuf Goolamabbas]

As the mechanism for system calls or does it use the int80 mechanism.
Also, is there any benchmark program available which demonstrates how
many cycles int80/sysenter take on a machine. I recollect Dave Jone's
blog had some benchmark but can't find such a benchmark program

Regards, Yusuf
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