Messages in this thread | | | Date | Sun, 16 Jun 2019 18:07:09 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [PATCH v7 18/18] x86/fsgsbase/64: Add documentation for FSGSBASE |
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On Sun, 16 Jun 2019, Randy Dunlap wrote: > On 6/13/19 11:54 PM, Thomas Gleixner wrote: > > + > > +There exist two mechanisms to read and write the FS/FS base address: > > should this be... FS/GS
Indeed.
> > +FSGSBASE instructions enablement > > +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > + The instructions are enumerated in CPUID leaf 7, bit 0 of EBX. If > > + available /proc/cpuinfo shows 'fsgsbase' in the flag entry of the CPUs. > > + > > + The availability of the instructions is not enabling them > > prefer: does not enable them
ok.
> > + automatically. The kernel has to enable them explicitely in CR4. The > > typo: explicitly
ok.
Randy, thanks for reviewing that!
tglx
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