[PATCH] powerpc: Fix for copy regs and dynamic allocate per cpu crash notes

[Haren Myneni]

- This patch contains the arch specific changes for the following the 
kdump generic fixes which were already accepted in the upstream.
       .   Capturing CPU registers (for the case of 'panic' and invoking 
the dump using 'sysrq-trigger') from a function (stack frame) which will 
be not be available during the kdump boot. Hence, might result in 
invalid stack trace.
       .   Dynamically allocating per cpu ELF notes section instead of 
statically for NR_CPUS.

- Fix the compiler warning in prom_init.c.

Thanks
Haren

Signed-off-by: Haren Myneni <haren at us.ibm.com>


   
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