[PATCH] ppc64: re-enable kexec to allow module loads with CONFIG_MODVERSIONS and CONFIG_RELOCATABLE turned on

[Neil Horman]

>>> Paul, Ben, given that Rusty hasn't come back with any opinion on this patch,
>>do you
>>> feel comfortable merging it via the ppc tree?  Currently the earlyinit
>routine
>>> is only compiled in and used for your arch, so I think its fairly benign.
>>
>>Sorry, I *did* track down the archives for linuxppc-dev, then find your post,
>>then read your patch.  But I didn't actually reply.
>>
>>Other than minor issues, there's one significant one: you shouldn't be trying
>>to change rodata.  It might work on PPC today, but it's poor form at least.
>>
>>How's this?  Untested on ppc.
>>
>I'll try grab a ppc64 system and test this soon.
>
>>Other changes:
>>1) I also changed reloc_start to an array; this is a good idea for any
>>   linker-defined symbols so the compiler can't make assumptions about size.
>Ok, I'll certainly trust your linker skill over mine :)
>
>>2) local.h?  How about module.h?
>Seems good to me
>>3) I don't think the extra ". = 0" is necessary.
>Its not, I was just trying to be clear about where reloc_start was to be placed.
>
>>4) ARCH_USES_RELOC_ENTRIES isn't clear enough for me; I prefer
>>   ARCH_RELOCATE_KCRCTAB.
>Sounds good to me.
>
>
>I'll test this as soon as I'm able
>Thanks!
>Neil
>

Just finished testing your patch Rusty, it all works quite well, Thanks!
Will this be going in via your tree, or the ppc tree?

Acked-by: Neil Horman <nhorman at tuxdriver.com>

Neil