On Sun, 16 Jun 2019, Bae, Chang Seok wrote: > > On Jun 16, 2019, at 09:05, Thomas Gleixner <t...@linutronix.de> wrote: > diff --git a/Documentation/x86/x86_64/fsgs.rst > b/Documentation/x86/x86_64/fsgs.rst > index 380c0b5..d5588e00 100644 > --- a/Documentation/x86/x86_64/fsgs.rst > +++ b/Documentation/x86/x86_64/fsgs.rst > @@ -125,7 +125,7 @@ FSGSBASE instructions enablement > FSGSBASE instructions compiler support > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > -GCC version 4.6.4 and newer provide instrinsics for the FSGSBASE > +GCC version 6 and newer provide instrinsics for the FSGSBASE > instructions. Clang supports them as well. > > =================== =========================== > @@ -141,7 +141,7 @@ code and the compiler option -mfsgsbase has to be added. > Compiler support for FS/GS based addressing > ------------------------------------------- > > -GCC version 6 and newer provide support for FS/GS based addressing via > +GCC version 4.6.4 and newer provide support for FS/GS based addressing via > Named Address Spaces. GCC implements the following address space > identifiers for x86:
That's close to what I pushed out earlier into tip WIP.x86/cpu Please check against that version including the Clang part about address spaces close to the end. Thanks, tglx