RE: [PATCH v2 1/1] Calculate offset to field 'init_uts_ns.name'

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HAGIO KAZUHITO(萩尾 一仁)	<k-hagio-ab@xxxxxxx> writes:

>
> Thank you for catching this and the patch.
>
> but do you know the kernel patch corresponding to this patch, i.e. adds
> the OFFSET(init_uts_ns.name) (strictly, OFFSET(uts_namespace.name) probably)
> entry to vmcoreinfo?  The makedumpfile usually just read it from vmcore,
> so cannot calculate without debug info in vmlinux.
>
> If it has not been posted yet, we need to do.  The best situation is
> that the patch is merged into linux-next first and then merged into
> mainline together with the commit 9a56493f6942.
>
> Is it possible for you?  otherwise, anyone or I might try.
>

Hi Kazu,

my patch doesn't really work :( The offset from 'init_uts_ns' to 'name'
has changed from 4 to 0 but how do you handle that in makedumpfile w/o
first knowing what kernel version that is. It is a chicken-and-egg
problem. Not sure how to solve it. The Linux kernel doesn't provide
the symbol 'init_ns_ns.name' as i initially thought and ,therefore,
i based my patch on a wrong assumption. It would be nice if kernel just
provided a symbol for 'init_uts_ns.name' instead of 'init_uts_ns' which
might change anytime.

Regards
Alex

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