Kernel 5.10 introduce new lockless printk ringbuffer.
This patch dump the new log record, with:
- treat caller_id as dict info
- no dev_info support, because no user yet
- only 5.10 finalized format, not intermit impl in git-tree
This patch unified vmcore & symbol version:
- vmcore version pre-read prb ptr value
- pass desired readmem addrtype
https://github.com/crash-utility/crash/pull/71
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