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A comment on Linux page table isolation is not needed on AMD processors. Parent comment

Re:Linux page table isolation is not needed on AMD processors by walterbell on Tuesday January 02, 2018 @03:25PM (#16055251)
Which Intel CPUs support PCID? Based on this Linus message, it was introduced in 2015, so Broadwell and later?

http://lkml.iu.edu/hypermail/linux/kernel/1504.3/02961.html

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Re:Linux page table isolation is not needed on AMD processors by Freaky on Tuesday January 02, 2018 @04:26PM (#16055842)
PCID's been around for a long time - even my old Westmere Xeons have it. INVPCID is more recent.
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