Pages tagged 2_6:

manu's pages - Sysenter Based System Call Mechanism in Linux 2.6

A low-level article
Replacement for the old INT 0x80, for Pentium II and newer
"Starting with version 2.5, linux kernel introduced a new system call entry mechanism on Pentium II+ processors. Due to performance issues on Pentium IV processors with existing software interrupt method, an alternative system call entry mechanism was implemented using SYSENTER/SYSEXIT instructions available on Pentium II+ processors. This article explores this new mechanism. Discussion is limited to x86 architecture and all source code listings are based on linux kernel"
What’s New in Python 2.6 — Python v2.6 documentation
Official page on 2.6 on Lots of Python 3 compatibility features/