Add the basic CPUID and MSR definitions for AMD and Intel, followed by
the complete no-brainer: Disable KPTI on Intel CPUs which set the
RDCL_NO bit to say that they don't need it, as well as others which are
known not to speculate such as old Atoms and even older 32-bit chips.
Alan will
Add the basic CPUID and MSR definitions for AMD and Intel, followed by
the complete no-brainer: Disable KPTI on Intel CPUs which set the
RDCL_NO bit to say that they don't need it, as well as others which are
known not to speculate such as old Atoms and even older 32-bit chips.
Alan will
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