How to bring up CPU 4~7 How to bring up CPU 4~7 0

Xen boot error:

...
(XEN) Bringing up CPU3
(XEN) CPU3: Guest atomics will try 12 times before pausing the domain
(XEN) CPU 3 booted.
(XEN) Bringing up CPU4
(XEN) CPU4 MIDR (0x410fd091) does not match boot CPU MIDR (0x410fd034),
(XEN) disable cpu (see big.LITTLE.txt under docs/).
(XEN) CPU4 never came online
(XEN) Failed to bring up CPU 4 (error -5)
(XEN) Bringing up CPU5
(XEN) CPU5 MIDR (0x410fd091) does not match boot CPU MIDR (0x410fd034),
(XEN) disable cpu (see big.LITTLE.txt under docs/).
(XEN) CPU5 never came online
(XEN) Failed to bring up CPU 5 (error -5)
(XEN) Bringing up CPU6
(XEN) CPU6 MIDR (0x410fd091) does not match boot CPU MIDR (0x410fd034),
(XEN) disable cpu (see big.LITTLE.txt under docs/).
(XEN) CPU6 never came online
(XEN) Failed to bring up CPU 6 (error -5)
(XEN) Bringing up CPU7
(XEN) CPU7 MIDR (0x410fd091) does not match boot CPU MIDR (0x410fd034),
(XEN) disable cpu (see big.LITTLE.txt under docs/).
(XEN) CPU7 never came online
(XEN) Failed to bring up CPU 7 (error -5)