Commits
Thomas Gleixner committed 2c7b5ac5d5a
Documentation/x86/64: Add documentation for GS/FS addressing mode Explain how the GS/FS based addressing can be utilized in user space applications along with the differences between the generic prctl() based GS/FS base control and the FSGSBASE version available on newer CPUs. Originally-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: "Bae, Chang Seok" <chang.seok.bae@intel.com> Cc: Andy Lutomirski <luto@kernel.org>, Cc: H . Peter Anvin <hpa@zytor.com> Cc: "Shankar, Ravi V" <ravi.v.shankar@intel.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Jonathan Corbet <corbet@lwn.net> Link: https://lkml.kernel.org/r/alpine.DEB.2.21.1906132246310.1791@nanos.tec.linutronix.de