Full PCID AFAIK. - [x86] kvm: x86: fix RSM when PCID is non-zero (Paolo Bonzini) [1531662 1530711] - [x86] mm/kaiser: use invpcid to flush the two kais

Full PCID AFAIK. - [x86] kvm: x86: fix RSM when PCID is non-zero (Paolo Bonzini) [1531662 1530711] - [x86] mm/kaiser: use invpcid to flush the two kaiser PCID AISD (Josh Poimboeuf) [1519800 1519801] {CVE-2017-5754} - [x86] mm/kaiser: use two PCID ASIDs optimize the TLB during enter/exit kernel (Josh Poimboeuf) [1519800 1519801] {CVE-2017-5754} - [x86] mm/kaiser: use PCID feature to make user and kernel switches faster (Josh Poimboeuf) [1519800 1519801] {CVE-2017-5754} This was a significant change and I did not see a formal write-up on it from Redhat. Such a write-up may exist by now.