Does cpu upgrade requires any changes at os level ? or is it a plug n play ?

Solution Verified - Updated -

Issue

  • Does cpu upgrade requires any changes at os level ? or is it a plug n play ?
  • Installed OS is RHEL5.7, now our query is if we upgrade 4cpu's do we require any changes at os level ?

Environment

  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

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