Janosch Frank a0c0c44e9a
s390: add ELF note type for encrypted CPU state of a PV VCPU ...
The type NT_S390_PV_CPU_DATA note contains the encrypted CPU state of
a PV VCPU. It's only relevant in dumps of s390 PV VMs and can't be
decrypted without a second block of encrypted data which provides key
parts. Therefore we only reserve the note type here.
The zgetdump tool from the s390-tools package can, together with a
Customer Communication Key, be used to convert a PV VM dump into a
normal VM dump. zgetdump will decrypt the CPU data and overwrite the
other respective notes to make the data accessible for crash and other
debugging tools.
Signed-off-by: Janosch Frank <frankja@linux.ibm.com >
Acked-by: Heiko Carstens <hca@linux.ibm.com >
[agordeev@linux.ibm.com changed desctiption]
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com >
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Janosch Frank
a0c0c44e9a