kexec on ppc64

Michael Neuling mikey at
Wed Sep 8 09:49:59 EST 2010

> I'm trying to determine how kexec'ing works on 64 bit powerpc. When
> allocating a region for the kexec'ed kernel is it ever the same as the
> currently running kernel or do you always boot the kexec'ed kernel
> from a different memory region? I understand that a crash kernel will
> be in a different region, however I was hoping to confirm the behavior
> for a normal "kexec -e".

The kernel will be loaded at a non zero address, but it will copy itself
to zero before it starts running.


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