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SubjectRE: [RFC] pstore: Don't use persistent store for normal shutdown

>Seiji Aguchi added kmsg_dump options for all the "normal" ways
>that a system can be shut down (KEXEC, RESTART, HALT and POWEROFF).
>It doesn't seem useful to save the kernel log to persistent store
>in these cases.

I think we should save the tail of kernel log into persistent store
for both every shutdown and kexec path because these data are useful
in enterprise area.

I already described the useful case in lkml (see below).

normal shutdown:



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