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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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