SDB:Recover Intel CPU performance lose

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Problem

Intel CPU has hardware security vulnerability like Spectre, Meltdown. To fix these issues, kernel has introduced a lot of patches that reduce the performance of your CPU. If you care performance more than security, you can disable them by adding some kernel parameters.

How to

  1. Open YaST
  2. Open Boot Loader module
  3. Open Kernel Parameters tab
  4. Find Optional Kernel Parameters box
  5. Add
    noibrs noibpb nopti nospectre_v2 nospectre_v1 l1tf=off nospec_store_bypass_disable no_stf_barrier mds=off mitigations=off
    (remember to put an extra space after existing parameters)

External links

  1. https://make-linux-fast-again.com/