[Patch 1/4][kernel][slimdump] Add new elf-note of type NT_NOCOREDUMP to capture slimdump

[Luck, Tony]

> So, in any case we may not be able to disable machine-check exceptions
> (MCEs) only within the context of kexec'ed kernel. Let me know if I've
> missed something here.

Linux sets the CR4.MCE bit - look for "set_in_cr4(X86_CR4_MCE)" for places
where it does so.  You can ask it not to do that with "mce=off" argument.

So we can control this from the OS level.

-Tony