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A comment on PCID is now a critical performance/security feature on x86. Parent comment

Re:PCID is now a critical performance/security feature on x86 by loeg on Monday January 08, 2018 @07:26PM (#16102341)
PCID is supported by low end consumer CPUs since 2010 or so. I don't believe it exists in a disabled form on any hardware. (Maybe I'm mistaken.)
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