[patch v3 3/8] kdump: Add size to elfcorehdr kernel parameter

Vivek Goyal vgoyal at redhat.com
Wed Aug 17 17:05:55 EDT 2011

On Fri, Aug 12, 2011 at 03:48:52PM +0200, Michael Holzheu wrote:
> From: Michael Holzheu <holzheu at linux.vnet.ibm.com>
> Currently only the address of the pre-allocated ELF header is passed with
> the elfcorehdr= kernel parameter. In order to reserve memory for the header
> in the 2nd kernel also the size is required. Current kdump architecture
> backends use different methods to do that, e.g. x86 uses the memmap= kernel
> parameter. On s390 there is no easy way to transfer this information.
> Therefore the elfcorehdr kernel parameter is extended to also pass the size.
> This now can also be used as standard mechanism by all future kdump
> architecture backends.


This version looks much better. A quick question. Who parses this
elfcorehdr= parameter in s390 and how do we make sure these headers are not


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