https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236233
--- Comment #5 from Konstantin Belousov <k...@freebsd.org> --- If you disable KPTI by a knob, does the speed loss recover ? Can you try on bare metal ? There is no PCID feature advertised by the virtualized CPU, so we flush TLB on each syscall entry and exit. I suspect Xen might have additional pessimisations there comparing to the bare hardware. -- You are receiving this mail because: You are the assignee for the bug. _______________________________________________ freebsd-bugs@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-bugs To unsubscribe, send any mail to "freebsd-bugs-unsubscr...@freebsd.org"