On Wed, Aug 22, 2007 at 09:08:38PM +0900, Ken'ichi Ohmichi wrote:
>
> Hi Andrew,
>
> This patch set frees the restriction that makedumpfile users should
> install a vmlinux file (including the debugging information) into
> each system.
>
> makedumpfile command is the dump filtering feature for kdump.
> It creates a small dumpfile by filtering unnecessary pages for the
> analysis. To distinguish unnecessary pages, it needs a vmlinux file
> including the debugging information. These days, the debugging package
> becomes a huge file, and it is hard to install it into each system.
>
> To solve the problem, kdump developers discussed it at lkml and kexec-ml.
> As the result, we reached the conclusion that necessary information
> for dump filtering (called "vmcoreinfo") should be embedded into the
> first kernel file and it should be accessed through /proc/vmcore
> during the second kernel.
> (http://www.uwsg.iu.edu/hypermail/linux/kernel/0707.0/1806.html)
>
> Dan Aloni created the patch set for the above implementation.
> (http://www.uwsg.iu.edu/hypermail/linux/kernel/0707.1/1053.html)
>
> And I updated it for multi architectures and memory models.
> (http://lists.infradead.org/pipermail/kexec/2007-August/000479.html)
>
>
> PATCH SET:
> [1/3] [linux] Add vmcoreinfo
> The patch is for linux-2.6.22.
> The patch adds the vmcoreinfo data. Its address and size are output
> to /sys/kernel/vmcoreinfo.
>
Looks good to me.
Thanks
Vivek
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