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I have an Odroid-N2+ and I would like very much to Armbian on it.  However, when I run lspcu I see that mitigations for hardware side channel attacks are missing:
 

$ lscpu
Architecture:           aarch64
  CPU op-mode(s):       32-bit, 64-bit
  Byte Order:           Little Endian
CPU(s):                 6
  On-line CPU(s) list:  0-5
Vendor ID:              ARM
  Model name:           Cortex-A53
    Model:              4
    Thread(s) per core: 1
    Core(s) per socket: 2
    Socket(s):          1
    Stepping:           r0p4
    CPU max MHz:        2016.0000
    CPU min MHz:        1000.0000
    BogoMIPS:           48.00
    Flags:              fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
  Model name:           Cortex-A73
    Model:              2
    Thread(s) per core: 1
    Core(s) per socket: 4
    Socket(s):          1
    Stepping:           r0p2
    CPU max MHz:        2400.0000
    CPU min MHz:        1000.0000
    BogoMIPS:           48.00
    Flags:              fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
NUMA:                   
  NUMA node(s):         1
  NUMA node0 CPU(s):    0-5
Vulnerabilities:        
  Itlb multihit:        Not affected
  L1tf:                 Not affected
  Mds:                  Not affected
  Meltdown:             Not affected
  Mmio stale data:      Not affected
  Spec store bypass:    Vulnerable
  Spectre v1:           Mitigation; __user pointer sanitization
  Spectre v2:           Vulnerable
  Srbds:                Not affected
  Tsx async abort:      Not affected



How can they be enabled?

Edited by cuphi

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